LTM4603 datasheet(3/24 Pages) LINER

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LTM4603/LTM4603-1

4603f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IS(VIN)

Input Supply Current

VIN = 12V, VOUT = 1.5V, IOUT = 6A

VIN = 12V, VOUT = 3.3V, IOUT = 6A

VIN = 5V, VOUT = 1.5V, IOUT = 6A

0.85

1.78

2.034

INTVCC

VIN = 12V, RUN > 2V

No Load

4.7

5.3

Output Speciﬁcations

IOUTDC

Output Continuous Current Range

(See Output Current Derating Curves

for Different VIN, VOUT and TA)

VIN = 12V, VOUT = 1.5V

VOUT(NOM) – VOUT(ΔLINE)

VOUT(NOM)

Line Regulation Accuracy

VOUT = 1.5V, IOUT = 0A, VIN = 4.5V to 20V

●

0.3

VOUT(NOM) – VOUT(ΔLOAD)

VOUT(NOM)

Load Regulation Accuracy

VOUT = 1.5V, IOUT = 0A to 6A

VIN = 12V, with Remote Sense Amp

VIN = 12V, LTM4603-1

●

0.25

0.5

VOUT(AC)

Output Ripple Voltage

IOUT = 0A, COUT = 2×, 100µF/X5R/Ceramic

VIN = 12V, VOUT = 1.5V

VIN = 5V, VOUT = 1.5V

mVP-P

Output Ripple Voltage Frequency

IOUT = 3A, VIN = 12V, VOUT = 1.5V

1000

kHz

ΔVOUT(START)

Turn-On Overshoot,

TRACK/SS = 10nF

COUT = 2×, 100µF/X5R/Ceramic,

VOUT = 1.5V, IOUT = 0A

VIN = 12V

VIN = 5V

tSTART

Turn-On Time, TRACK/SS = Open

COUT = 2×, 100µF/X5R/Ceramic,

VOUT = 1.5V, IOUT = 1A Resisitive Load

VIN = 12V

VIN = 5V

0.5

0.7

ΔVOUTLS

Peak Deviation for Dynamic Load

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

COUT = 2 × 22µF/Ceramic, 470µF, 4V

Sanyo POSCAP

VIN = 12V

VIN = 5V

tSETTLE

Settling Time for Dynamic Load Step Load: 0% to 50% to 10% of Full Load

VIN = 12V

µs

IOUTPK

Output Current Limit

COUT = 2×, 100µF/X5R/Ceramic

VIN = 12V, VOUT = 1.5V

VIN = 5V, VOUT = 1.5V

Remote Sense Amp (LTM4603 Only, Not Supported in the LTM4603-1) (Note 3)

VOSNS

+, VOSNS–

CM Range

Common Mode Input Voltage Range VIN = 12V, RUN > 2V

INTVCC – 1

DIFFVOUT Range

Output Voltage Range

VIN = 12V, DIFF OUT Load = 100k

INTVCC

VOS

Input Offset Voltage Magnitude

1.25

Differential Gain

V/V

GBP

Gain Bandwidth Product

MHz

Slew Rate

V/µs

RIN

Input Resistance

VOSNS

+ to GND

CMRR

Common Mode Rejection Ratio

100

The

● denotes the speciﬁcations which apply over the –40°C to 85°C

temperature range, otherwise speciﬁcations are at TA = 25°C, VIN = 12V. Per typical application (front page) conﬁguration.

ELECTRICAL CHARACTERISTICS

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