LTM4636 datasheet(3/36 Pages) LINER

Teilenummer	LTM4636

Bauteilbeschribung	40A DC/DC 關Module Regulator

Download	36 Pages

Scroll/Zoom	100%

Hersteller	LINER [Linear Technology]

Direct Link	http://www.linear.com

Logo

3 / 36 page

LTM4636

3

4636f

For more information www.linear.com/LTM4636

elecTrical characTerisTics The

l

denotes the specifications which apply over the specified internal

operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 12V, per the Typical Application in Figure 20.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input DC Voltage

VIN ≤ 5.5V, Tie VIN, INTVCC and PVCC Together, Tie RUNP

to GND

l

4.7

15

V

VOUT

VOUT Range

l

0.6

3.3

V

VOUT(DC)

DC Output Voltage, Total

Variation with Line and Load

CIN = 22µF × 5

COUT = 100µF × 4 Ceramic, 470µF POSCAP × 3

RFB = 40.2k, MODE_PLLIN = GND

VIN = 4.75V to 15V, IOUT = 0A to 40A (Note 4)

l

1.4805

1.5

1.5195

V

Input Specifications

VRUNC

RUNC Pin On Threshold

VRUNC Rising

1.1

1.22

1.35

V

VRUNCHYS

RUNC Pin On Hysteresis

150

mV

VRUNP

RUNP Pin On Threshold

RUNP Pin Rising

l

0.7

0.8

0.9

V

RUNP HYS

RUNP Pin Hysteresis

60

mV

HIZREG

HIZREG Input Threshold

VIN = 12V, RUNC = 5V, RUNP = VIN, VOUT = 1.5V

2.3

V

HIZREG HYS

HIZREG Hysteresis

VIN = 12V, RUNC = 5V, RUNP = VIN, VOUT = 1.5V

0.8

V

IQ(VIN)

Input Supply Bias Current

VIN = 12V, VOUT = 1.5V, Burst Mode Operation, IOUT = 0.1A

VIN = 12V, VOUT = 1.5V, Pulse-Skipping Mode, IOUT = 0.1A

VIN = 12V, VOUT = 1.5V, Switching Continuous, IOUT = 0.1A

Shutdown, RUN = 0, VIN = 12V

16

23

105

30

mA

µA

IS(VIN)

Input Supply Current

VIN = 5V, VOUT = 1.5V, IOUT = 40A

VIN = 12V, VOUT = 1.5V, IOUT = 40A

14.7

5.66

A

Output Specifications

IOUT(DC)

Output Continuous Current

Range

VIN = 12V, VOUT = 1.5V (Note 4)

0

40

A

∆VOUT (Line)

VOUT

Line Regulation Accuracy

VOUT = 1.5V, VIN from 4.75V to 15V

IOUT = 0A

l

0.02

0.06

%/V

∆VOUT (Load)

VOUT

Load Regulation Accuracy

VOUT = 1.5V, IOUT = 0A to 40A, VIN = 12V (Note 4)

l

0.2

0.35

%

VOUT(AC)

Output Ripple Voltage

IOUT = 0A, COUT = 100µF × 3 Ceramic, 470µF × 3 POSCAP,

VIN = 12V, VOUT = 1.5V

15

mVP-P

∆VOUT(START)

Turn-On Overshoot

COUT = 100µF × 4 Ceramic, 470µF × 3 POSCAP,

VOUT = 1.5V, IOUT = 0A, VIN = 12V, TRACK/SS = 0.1µF

5

mV

tSTART

Turn-On Time

COUT = 100µF × 3 Ceramic, 470µF × 3 POSCAP,

No Load, TRACK/SS = 0.001µF, VIN = 12V

50

ms

∆VOUTLS

Peak Deviation for Dynamic

Load

Load: 0% to 50% to 0% of Full Load

COUT = 100µF × 4 Ceramic, 470µF × 3 POSCAP,

VIN = 12V, VOUT = 1.5V, CFF = 22pF

45

mV

tSETTLE

Settling Time for Dynamic

Load Step

Load: 0% to 50% to 0% of Full Load, VIN = 5V,

COUT = 100µF × 4 Ceramic, 470µF × 3 POSCAP,

VIN = 12V, VOUT = 1.5V, CFF = 22pF

25

µs

IOUTPK

Output Current Limit

VIN = 12V, VOUT = 1.5V

VIN = 5V, VOUT = 1.5V

54

A

Control Section

VFB

Voltage at VFB Pin

IOUT = 0A, VOUT = 1.5V

l

0.594

0.600

0.606

V

IFB

Current at VFB Pin

(Note 6)

–30

–100

nA

VOVL

Feedback Overvoltage

Lockout

Measure at VOUTS1

l

5

7.5

10

%

ITRACK/SS

Track Pin Soft-Start Pull-Up

Current

TRACK/SS = 0V, Default 750µs Turn on with TRACK/SS

Tied to INTVCC

1.1

1.35

1.6

µA

tON(MIN)

Minimum On-Time

(Note 3)

100

ns

RFBHI

Resistor Between VOUTS1

and VFB Pins

4.99

kΩ

LTM4636 Datenblatt(PDF) 3 Page - Linear Technology

LTM4636 Datenblatt(HTML) 3 Page - Linear Technology

Ähnliche Teilenummer - LTM4636

Ähnliche Beschreibung - LTM4636

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Datenblatt Download

Link URL