LTM4615EVPBF datasheet(3/24 Pages) LINER

3 / 24 page

LTM4615

4615f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IINRUSH(VIN)

Input Inrush Current at Start-Up

IOUT = 0A, CIN = 22μF, COUT = 100μF, VOUT = 1.5V,

VIN = 5.5V

0.35

IQ(VIN)

Input Supply Bias Current

VIN = 2.375V, VOUT = 1.5V, Switching Continuous

VIN = 5.5V, VOUT = 1.5V, Switching Continuous

Shutdown, RUN = 0, VIN = 5V

712

μA

IS(VIN)

Input Supply Current

VIN = 2.375V, VOUT = 1.5V, IOUT = 4A

VIN = 5.5V, VOUT = 1.5V, IOUT = 4A

3.2

1.48

IOUT(DC)

Output Continuous Current Range

VIN = 5.5V, VOUT = 1.5V (Note 6)

ΔVOUT(LOAD + LINE)

VOUT

Load and Line Regulation Accuracy VOUT = 1.5V, 0A to 4A (Note 6)

VIN = 2.375V to 5.5V

±1.0

±1.3

±1.30

±1.6

VOUT(AC)

Output Ripple Voltage

IOUT = 0A, COUT = 100μF

VIN = 5V, VOUT = 1.5V

mVP-P

Output Ripple Voltage Frequency

IOUT = 4A, VIN = 5V, VOUT = 1.5V

1.25

MHz

ΔVOUT(START)

Turn-On Overshoot

COUT = 100μF, VOUT = 1.5V, RUN/SS = 10nF,

IOUT = 0A

VIN = 3.3V

VIN = 5V

tSTART

Turn-On Time

COUT = 100μF, VOUT = 1.5V, IOUT = 1A Resistive

Load, TRACK = VIN and RUN/SS = Float

VIN = 5V

0.5

ΔVOUT(LS)

Peak Deviation for Dynamic Load

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

COUT = 100μF, VIN = 5V, VOUT = 1.5V

tSETTLE

Settling Time for Dynamic Load

Step

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

VIN = 5V, VOUT = 1.5V

μs

IOUT(PK)

Output Current Limit

COUT = 100μF, VIN = 5V, VOUT = 1.5V

VFB

Voltage at FB Pin

IOUT = 0A, VOUT = 1.5V

0.790

0.786

0.8

0.807

0.809

IFB

0.2

μA

VRUN

RUN Pin On/Off Threshold

0.6

0.75

0.9

ITRACK

TRACK Pin Current

0.2

μA

VTRACK(OFFSET)

Offset Voltage

TRACK = 0.4V

VTRACK(RANGE)

Tracking Input Range

0.8

RFBHI

Resistor Between VOUT and FB Pins

4.96

4.99

5.02

kΩ

ΔVPGOOD

PGOOD Range

±7.5

RPGOOD

PGOOD Resistance

Open-Drain Pull-Down

150

VLDO Section

VLDO_IN

Operating Voltage

(Note 3)

1.14

3.5

IIN(LDO_IN)

Operating Current

IOUT = 0mA, VOUT = 1V, EN3 = 1.2V

IIN(SHDN)

Shutdown Current

EN3 = 0V, LDO_IN = 1.5V

0.6

μA

VBOOST3

BOOST3 Output Voltage

EN3 = 1.2V

4.8

5.2

VBOOST3(UVLO)

Undervoltage Lockout

4.3

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full internal

operating temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V, LDO_IN = 1.2V unless otherwise noted.

Per Typical Application Figure 12.

LTM4615EVPBF 数据表(PDF) 3 Page - Linear Technology

LTM4615EVPBF 数据表(HTML) 3 Page - Linear Technology

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

数据表下载