ML4872 datasheet(3/9 Pages) MICRO-LINEAR

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ML4872

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

VOUT .......................................................................... 7V

Voltage on any other pin ..... GND – 0.3V to VOUT + 0.3V

Peak Switch Current (IPEAK) ......................................... 2A

Average Switch Current (IAVG) ..................................... 1A

Junction Temperature .............................................. 150ºC

Storage Temperature Range ...................... –65ºC to 150ºC

Lead Temperature (Soldering 10 sec) ...................... 260ºC

Thermal Resistance (

qJA) .................................... 160ºC/W

OPERATING CONDITIONS

Temperature Range

ML4872CS-X .............................................. 0ºC to 70ºC

ML4872ES-X ........................................... –20ºC to 70ºC

VIN Operating Range

ML4872CS-X ................................ 1.8V to VOUT – 0.2V

ML4872ES-X ................................ 2.0V to VOUT – 0.2V

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1).

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SUPPLY

IIN

VIN Current

VIN = VOUT – 0.2V

µA

IOUT(Q)

VOUT Quiescent Current

SHDN = 0V

µA

SHDN = VIN

µA

IL(Q)

VL Quiescent Current

1µA

PFM REGULATOR

IL Peak Current

1.2

1.4

1.7

VOUT

Output Voltage

IL(PEAK) = 0

-3 Suffix

3.30

3.35

3.40

-5 Suffix

4.95

5.05

5.15

Load Regulation

See Figure 1, -3 Suffix

3.20

3.25

3.40

VIN = 2.4V, IOUT = 400mA

See Figure 1, -5 Suffix

4.85

4.95

5.15

VIN = 2.4V, IOUT = 220mA

SHUTDOWN

Input Bias Current

–100

100

Shutdown Threshold

VSHDN = high to low

0.4

0.6

1.1

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.

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