ML4770CS datasheet(3/8 Pages) MICRO-LINEAR

3 / 8 page

ML4770

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, SHDN = 0V

µA

VIN = SHDN = 2.4V, VOUT = 0V

0.3

µA

IOUT(Q)

VOUT Quiescent Current

SHDN = 0V

µA

VIN = SHDN = 2.4V,

µA

VOUT = VOUT(NOM)

PFM REGULATOR

IPEAK

IL Peak Current

1.1

1.3

1.6

VSENSE

SENSE Comparator Threshold Voltage

2.52

2.57

2.62

Line Regulation

IOUT = 0, See Figure 1

4.95

5.05

5.15

Load Regulation

VIN = 2.4V, IOUT £ 220mA

4.85

4.95

5.15

See Figure 1

SHUTDOWN

VIL

Input Low Voltage

0.5

VIH

Input High Voltage

VIN - 0.5

Input Bias Current

-100

100

Note 1:

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

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

ML4770CS-X ............................................. 0ºC to 70ºC

ML4770ES-X ........................................... -20ºC to 70ºC

VIN Operating Range ....................... 1.8V to VOUT - 0.2V

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

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