DIE Switching Regulators & Controllers 559

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Part RoHS Manufacturer Other IC type Temperature Grade No. of Terminals Package Code Package Shape Surface Mount Total Dose (V) Maximum Switching Frequency Package Body Material Approvals (V) Maximum Supply Current (Isup) Maximum Output Current Trim or Adjustable Output (V) No. of Functions No. of Channels Technology Screening Level Nominal Bandwidth Terminal Form Main Out Ripple Voltage Control Technique Nominal Negative Supply Voltage (Vsup) Main Output Efficiency Nominal Supply Voltage (Vsup) Maximum Voltage Tolerance Power Supplies (V) Switcher Config Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Minimum Output Voltage Control Mode Protection(s) Maximum Line Regulation Maximum Total Power Output Minimum Operating Temperature Terminal Finish Maximum Output Voltage Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Height Width (mm) Qualification Maximum Load Regulation Minimum Supply Voltage (Vsup) Nominal Input Voltage Warm-Up Time Additional Features Minimum Input Voltage Maximum Negative Input Voltage JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Nominal Threshold Voltage (V) Length Adjustable Threshold Nominal Output Voltage Maximum Input Voltage

MAX657C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

18 kHz

UNSPECIFIED

1.6 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Other Analog ICs

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

1 V

e0

3 V

3.6 V

MAX1643C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

UNSPECIFIED

1 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

Not Qualified

1.3 V

IT ALSO HAS CONTROL TECHNIQUE OF PFM, ALSO OPERATES IN ADJUSTABLE MODE FROM 2 TO 5.2V

.7 V

e0

3.3 V

1.65 V

MAX778C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

150 kHz

UNSPECIFIED

.31 mA

1 A

1

BIPOLAR

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

1 V

e0

3.3 V

6.2 V

LT1074HVC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

4

DIE

UNSPECIFIED

YES

100 kHz

UNSPECIFIED

12 mA

5.5 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

UPPER

X-XUUC-N4

1

Not Qualified

8 V

60 V

MAX653C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

11

DIE

RECTANGULAR

YES

UNSPECIFIED

.02 mA

1 A

1

CMOS

NO LEAD

PULSE FREQUENCY MODULATION

BUCK

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N11

1

Not Qualified

5 V

4 V

e0

3 V

11.5 V

MAX712C/D

Maxim Integrated

BATTERY CHARGE CONTROLLER

COMMERCIAL

18

DIE

RECTANGULAR

YES

UNSPECIFIED

10 mA

.1 A

1

CMOS

NO LEAD

5 V

5

SINGLE

UNCASED CHIP

DIE OR CHIP

Power Management Circuits

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N18

1

Not Qualified

5 V

4.5 V

e0

5.5 V

MAX783C/D

Maxim Integrated

DUAL SWITCHING CONTROLLER

COMMERCIAL

36

DIE

RECTANGULAR

YES

330 kHz

UNSPECIFIED

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

PHASE-SHIFT

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N36

Not Qualified

15 V

5.5 V

e0

5.08 V

30 V

MAX768C/D

Maxim Integrated

SWITCHED CAPACITOR REGULATOR

COMMERCIAL

16

DIE

RECTANGULAR

YES

100 kHz

UNSPECIFIED

1

CMOS

NO LEAD

DOUBLER INVERTER

UNCASED CHIP

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N16

Not Qualified

2.5 V

e0

5 V

5.5 V

LT1076C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

4

DIE

UNSPECIFIED

YES

100 kHz

UNSPECIFIED

11 mA

2 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

UPPER

X-XUUC-N4

1

Not Qualified

8 V

40 V

MAX619C/D

Maxim Integrated

SWITCHED CAPACITOR REGULATOR

COMMERCIAL

13

DIE

RECTANGULAR

YES

500 kHz

UNSPECIFIED

1

CMOS

NO LEAD

TRIPLER

UNCASED CHIP

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N13

Not Qualified

3 V

2 V

e0

5 V

3.6 V

MAX756C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

9

DIE

RECTANGULAR

YES

500 kHz

UNSPECIFIED

1 A

1

CMOS

NO LEAD

CONSTANT OFF TIME

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N9

1

Not Qualified

2.5 V

ALSO ADJUSTABLE OUTPUT FROM 2.7 TO 5.5V; ALSO 5 VOLT OUTPUT AVAILABLE

1.1 V

e0

3.3 V

5.5 V

MAX870C/D

Maxim Integrated

SWITCHED CAPACITOR CONVERTER

COMMERCIAL

5

DIE

RECTANGULAR

YES

194 kHz

UNSPECIFIED

1

CMOS

NO LEAD

DOUBLER INVERTER

UNCASED CHIP

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N5

Not Qualified

5 V

1.4 V

e0

5.5 V

MAX727C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

5

DIE

RECTANGULAR

YES

100 kHz

UNSPECIFIED

11 mA

2 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

UPPER

R-XUUC-N5

1

Not Qualified

8 V

5 V

40 V

MAX758C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

14

DIE

RECTANGULAR

YES

160 kHz

UNSPECIFIED

3 mA

2 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N14

Not Qualified

4 V

e0

1.23 V

16 V

MAX1672C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

16

DIE

RECTANGULAR

YES

UNSPECIFIED

1 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N16

1

Not Qualified

2 V

1.8 V

e0

11 V

MAX755C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

14

DIE

RECTANGULAR

YES

160 kHz

UNSPECIFIED

3.5 mA

2 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK-BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N14

1

Not Qualified

5 V

2.7 V

e0

0 V

9 V

MAX747C/D

Maxim Integrated

SWITCHING CONTROLLER

COMMERCIAL

14

DIE

RECTANGULAR

YES

115 kHz

UNSPECIFIED

1.3 mA

3 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

SINGLE

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N14

Not Qualified

10 V

ALSO OPERATES IN ADJUSTABLE MODE FROM 2 TO 14V

4 V

e0

5.08 V

15 V

MAX622C/D

Maxim Integrated

SWITCHED CAPACITOR REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

90 kHz

UNSPECIFIED

.5 mA

.025 A

1

CMOS

NO LEAD

DOUBLER INVERTER

UNCASED CHIP

DIE OR CHIP

Other Analog ICs

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

1

Not Qualified

5 V

ALSO OPER AT 12.5 V, 15.5 V, 27.5 V; ALSO OPER IN ADJUS MODE FROM 15 TO 8 V AND 26.5 TO 29.5V

3.5 V

e0

10.5 V

16.5 V

MAX766C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

10

DIE

RECTANGULAR

YES

300 kHz

UNSPECIFIED

.12 mA

1.5 A

1

BICMOS

NO LEAD

PULSE FREQUENCY MODULATION

BUCK-BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N10

1

Not Qualified

3 V

e0

-15 V

16 V

MAX640C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

11

DIE

RECTANGULAR

YES

UNSPECIFIED

.02 mA

1 A

1

CMOS

NO LEAD

PULSE FREQUENCY MODULATION

BUCK

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N11

Not Qualified

5 V

4 V

e0

3.3 V

11.5 V

MAX775C/D

Maxim Integrated

SWITCHING CONTROLLER

COMMERCIAL

9

DIE

RECTANGULAR

YES

300 kHz

UNSPECIFIED

.1 mA

1

CMOS

NO LEAD

PULSE FREQUENCY MODULATION

BUCK-BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N9

1

Not Qualified

5 V

3 V

e0

-12 V

16.5 V

MAX778LC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

150 kHz

UNSPECIFIED

1 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

2.5 V

1.1 V

e0

3 V

MAX741DC/D

Maxim Integrated

SWITCHING CONTROLLER

COMMERCIAL

22

DIE

RECTANGULAR

YES

160 kHz

UNSPECIFIED

4.25 mA

1 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

PUSH-PULL

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N22

Not Qualified

2.7 V

e0

15.5 V

MAX710C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

16

DIE

RECTANGULAR

YES

UNSPECIFIED

.7 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N16

1

Not Qualified

5.6 V

1.8 V

e0

11 V

MAX641AC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

9

DIE

RECTANGULAR

YES

45 kHz

UNSPECIFIED

.4 mA

.45 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N9

1

Not Qualified

2 V

e0

5 V

16.5 V

LT1076HVC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

4

DIE

UNSPECIFIED

YES

100 kHz

UNSPECIFIED

12 mA

2 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

UPPER

X-XUUC-N4

1

Not Qualified

8 V

60 V

MAX789HC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

7

DIE

UNSPECIFIED

YES

120 kHz

UNSPECIFIED

12 mA

5.5 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

X-XUUC-N7

Not Qualified

8 V

e0

3 V

60 V

MAX777C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

150 kHz

UNSPECIFIED

.31 mA

1 A

1

BIPOLAR

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

1 V

e0

5 V

6.2 V

MAX738AC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

14

DIE

RECTANGULAR

YES

190 kHz

UNSPECIFIED

1.7 mA

2 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N14

1

Not Qualified

12 V

6 V

e0

5 V

16 V

MAX655C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

18 kHz

UNSPECIFIED

1.6 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Other Analog ICs

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

1 V

e0

5 V

5.6 V

MAX1044C/D

Maxim Integrated

SWITCHED CAPACITOR CONVERTER

COMMERCIAL

8

DIE

SQUARE

YES

10 kHz

UNSPECIFIED

.2 mA

.1 A

1

CMOS

NO LEAD

DOUBLER INVERTER

UNCASED CHIP

DIE OR CHIP

Other Analog ICs

70 Cel

0 Cel

TIN LEAD

UPPER

S-XUUC-N8

Not Qualified

5 V

1.5 V

e0

10 V

MAX750C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

14

DIE

RECTANGULAR

YES

170 kHz

UNSPECIFIED

3 mA

2 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N14

1

Not Qualified

4 V

e0

1.23 V

11 V

MAX622C/D-T

Maxim Integrated

SWITCHED CAPACITOR REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

90 kHz

UNSPECIFIED

.5 mA

.025 A

1

CMOS

NO LEAD

DOUBLER INVERTER

UNCASED CHIP

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

Not Qualified

5 V

ALSO OPER AT 12.5 V, 15.5 V, 27.5 V; ALSO OPER IN ADJUS MODE FROM 15 TO 8 V AND 26.5 TO 29.5V

3.5 V

e0

10.5 V

16.5 V

MAX890LC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

UNSPECIFIED

1.2 A

1

NO LEAD

SINGLE

UNCASED CHIP

70 Cel

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

1

Not Qualified

3 V

2.7 V

e0

5 V

5.5 V

MAX722C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

18

DIE

RECTANGULAR

YES

500 kHz

UNSPECIFIED

.06 mA

1 A

1

CMOS

NO LEAD

CONSTANT OFF TIME

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N18

1

Not Qualified

ALSO CONTAINS AN ADDITIONAL CONTROLLER

.9 V

e0

5 V

5.5 V

MAX637AC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

50 kHz

UNSPECIFIED

.5 mA

.525 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK-BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

1

Not Qualified

2.6 V

e0

-15 V

16.5 V

MAX764C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

10

DIE

RECTANGULAR

YES

300 kHz

UNSPECIFIED

.12 mA

1.5 A

1

BICMOS

NO LEAD

PULSE FREQUENCY MODULATION

BUCK-BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N10

Not Qualified

3 V

e0

-5 V

16 V

MAX733C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

170 kHz

UNSPECIFIED

3 mA

1.5 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

4 V

e0

15 V

11 V

MAX728C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

5

DIE

RECTANGULAR

YES

100 kHz

UNSPECIFIED

11 mA

2 A

1

BIPOLAR

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

UPPER

R-XUUC-N5

1

Not Qualified

8 V

3.3 V

40 V

MAX711C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

16

DIE

RECTANGULAR

YES

UNSPECIFIED

.7 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N16

1

Not Qualified

5.6 V

1.8 V

e0

11 V

MAX877C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

300 kHz

UNSPECIFIED

.31 mA

1

BIPOLAR

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

1 V

e0

5 V

6.2 V

MAX731C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

13

DIE

RECTANGULAR

YES

215 kHz

UNSPECIFIED

4 mA

1.5 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N13

Not Qualified

3 V

2.5 V

e0

5 V

5.25 V

MAX779LC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

150 kHz

UNSPECIFIED

1 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

2.5 V

1.1 V

e0

4.5 V

MAX638BC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

65 kHz

UNSPECIFIED

.6 mA

.525 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

Not Qualified

12 V

5 V

e0

5 V

16.5 V

MAX773C/D

Maxim Integrated

SWITCHING CONTROLLER

COMMERCIAL

15

DIE

RECTANGULAR

YES

300 kHz

UNSPECIFIED

.11 mA

1

BICMOS

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

1

Not Qualified

5 V

SELECTABLE REGULATING VOLTAGE

3 V

e0

15 V

16.5 V

MAX634C/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

8

DIE

RECTANGULAR

YES

75 kHz

UNSPECIFIED

.5 mA

.525 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BUCK-BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N8

1

Not Qualified

6 V

2.6 V

e0

0 V

16.5 V

MAX777LC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

15

DIE

RECTANGULAR

YES

150 kHz

UNSPECIFIED

1 A

1

NO LEAD

PULSE FREQUENCY MODULATION

BOOST

UNCASED CHIP

70 Cel

CURRENT-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N15

Not Qualified

2.5 V

1.1 V

e0

4.5 V

MAX633AC/D

Maxim Integrated

SWITCHING REGULATOR

COMMERCIAL

9

DIE

RECTANGULAR

YES

50 kHz

UNSPECIFIED

2.5 mA

.45 A

1

CMOS

NO LEAD

PULSE WIDTH MODULATION

BOOST

UNCASED CHIP

DIE OR CHIP

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

UPPER

R-XUUC-N9

1

Not Qualified

2 V

e0

15 V

16.5 V

Switching Regulators & Controllers

Switching regulators and controllers are electronic devices used to regulate the output voltage and current of power supplies. They operate by rapidly switching a power supply circuit between on and off states, resulting in a high-frequency waveform that can be filtered and smoothed to produce a stable output voltage.

Switching regulators and controllers offer several advantages over traditional linear regulators, including higher efficiency and the ability to handle a wider range of input voltages. They are commonly used in applications such as power supplies for computers, LED lighting, and motor control.

Switching regulators and controllers come in a variety of forms, including step-up (boost), step-down (buck), and step-up/down (buck-boost) configurations. They may be designed as integrated circuits (ICs) or as standalone modules.

Switching regulators and controllers typically include feedback control circuits to adjust the output voltage and current, as well as protection circuits to prevent overvoltage, overcurrent, and overtemperature conditions. They may also include features such as soft-start to reduce inrush currents and synchronization with external clock signals.