LTM4644 datasheet(32/32 Pages) LINER

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LTM4634

4634f

For more information www.linear.com/LTM4634



LINEAR TECHNOLOGY CORPORATION 2014

LT 0814 • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM4634

Typical applicaTion

relaTeD parTs

RFB3

11.5k

RFB1

60.4k

5V AT 1A

FOR OTHER CIRCUITS

COUT2

220µF

1.2V

5VOUT

COUT5

220µF

COUT1

220µF

COUT

SEE TABLE 4

CSS3

0.1µF

24V

1µF

120k

CSS1

0.1µF

CIN3

22µF

6.3V

CIN4

22µF

6.3V

COUT4

220µF

COUT7

100µF

6.3V

COUT8

22µF

6.3V

10k

30k

RUN3

CNTL_PWR

MODE/PLLIN

RUN2

RUN3

TK/SS2

TK/SS3

FREQ/PLLLPF

COMP1

COMP2

COMP3

PGOOD12

PGOOD3

TEMP1

TEMP2

VOUT1 VFB1

VFB1

47pF

VFB3

47pF

VOUT2 VFB2

VOUT3 VFB3

VFB3

4634 F26

GND SGND

VIN1 SW1

VIN2

5VOUT AT 3A

SW2

VIN3

LTM4634

SW3

4.7µF

INTVCC EXTVCC

5VOUT

TK/SS1

24V INPUT

CIN7

4.7µF

50V

56µF

50V

CIN6

4.7µF

50V

RUN1

Figure 26. 24V to 5V at 1A, Then 5V Output to 1.2V at 10A

PART NUMBER DESCRIPTION

COMMENTS

LTM4633

Triple 10A, 16VIN Step-Down DC/DC µModule

Regulator

4.7V ≤ VIN ≤ 16V, 0.8V ≤ VOUT1,2 ≤ 1.8V, 0.8V ≤ VOUT3 ≤ 5.5V, PLL Input, VOUT Soft-Start

and Tracking, PGOOD, Internal Temperature Monitor, 15mm

× 15mm × 5.01mm BGA

LTM4630

Dual 15VIN, 18A or Single 36A Step-Down

µModule Regulator with VOUT Up to 1.8V

4.5V ≤ VIN ≤ 15V, 0.6V ≤ VOUT ≤ 1.8V, PLL Input, Remote Sense Amplifier, VOUT Tracking,

PGOOD, CLKOUT, Internal Temperature Monitor, 16mm

× 16mm × 4.41mm LGA

LTM4644

Quad 4A, 14V Step-Down µModule Regulator

with Configurable Output Array

4V ≤ VIN ≤ 14V, 0.6V ≤ VOUT ≤ 5.5V, CLK Input and Output, VOUT Tracking, PGOOD,

9mm

× 15mm × 5.01mm BGA

LTM4676

Dual 13A or Single 26A µModule Regulator

with Digital Power System Management

4.5V ≤ VIN ≤ 26V, 0.5V ≤ VOUT0 ≤ 4.0V, 0.5V ≤ VOUT1 ≤ 5.4V, Digital I/F for Control and

Monitoring, Integrated 16-Bit ADC, PMBus Compliant I2C Interface, Remote Sense

Amplifiers, 16mm

× 16mm × 5.01mm BGA

LTM8028

36VIN, UltraFast™, Low Output Noise 5A

µModule Regulator

6V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 1.8V Set Via 3-Pin Three-State Interface, <1mV VOUT

Ripple, 10% Accurate Current Limit, PGOOD, 15mm

× 15mm × 4.9mm BGA

LTM4637

20VIN, 20A DC/DC µModule Step-Down

Regulator

4.5V ≤ VIN ≤ 20V, 0.6V ≤ VOUT ≤ 5.5V, PLL Input, VOUT Tracking, Remote Sense Amplifier,

PGOOD, 15mm

× 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA

LTM8045

Inverting or SEPIC _Module DC/DC Converter

with Up to 700mA Output Current

2.8V ≤ VIN ≤ 18V, ±2.5V ≤ VOUT ≤ ±15V, Synchronizable, No Derating or Logic-Level Shift

for Control Inputs When Inverting, 6.25mm

× 11.25mm × 4.92mm BGA

LTC2977

8-Channel PMBus Power System Manager

0.25% TUE 16-Bit ADC, Voltage/Temperature Monitoring and Supervision

LTC2974

4-Channel PMBus Power System Manager

0.25% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision

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