ML4771CS datasheet(3/8 Pages) MICRO-LINEAR

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ML4771

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

ML4771CS ................................................. 0ºC to 70ºC

ML4771ES ............................................. –20ºC to 70ºC

VIN Operating Range

ML4771CS .................................... 1.8V to VOUT – 0.2V

ML4771ES .................................... 2.0V to VOUT – 0.2V

VOUT Operating Range ................................. 3.0V to 5.5V

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

µA

IL(Q)

VL Quiescent Current

1µA

PFM REGULATOR

IL Peak Current

1.2

1.4

1.7

VSENSE

SENSE Comparator Threshold Voltage

2.52

2.57

2.62

VOUT

Output Voltage

See Figure 1, IOUT = 0

4.95

5.05

5.15

Load Regulation

See Figure 1,

4.85

4.95

5.15

VIN = 2.4V, IOUT = 220mA

Note 1:

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

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