ML4761CS datasheet(3/8 Pages) MICRO-LINEAR

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ML4761

OPERATING CONDITIONS

Temperature Range

ML4761CS ................................................. 0°C to 70°C

ML4761ES .............................................. –20°C to 70°C

ML4761IS ............................................... –40°C to 85°C

VIN Operating Range

ML4761CS .................................... 1.0V to VOUT –0.2V

ML4761ES, ML4761IS ................... 1.1V to VOUT –0.2V

VOUT Operating Range ................................. 2.5V to 6.0V

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.

Voltage on any pin ....................................................... 7V

Peak Switch Current, I(PEAK) .......................................... 2A

Average Switch Current, I(AVG) ............................... 500mA

Junction Temperature ............................................. 150°C

Storage Temperature Range ...................... –65°C to 150°C

Lead Temperature (Soldering 10 sec.) ..................... 260°C

Thermal Resistance (

qJA) ..................................... 160°C/W

ELECTRICAL CHARACTERISTICS

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

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

Supply

VIN Current

VIN = VOUT – 0.2V

µA

VOUT Quiescent Current

µA

VL Quiescent Current

1µA

Reference

Output Voltage (VREF)

0 < IPIN2 < –5µA

194

200

206

PFM Regulator

Pulse Width (TON)VIN = 2.4V

C/E Suffix

µs

I Suffix

8.5

11.5

µs

SENSE Comparator

190

200

210

Threshold Voltage (VSENSE)

Load Regulation

See Figure 1

VIN = 1.2V, IOUT - 25mA

4.85

5.0

5.15

VIN = 2.4V, IOUT - 135mA

4.85

5.0

5.15

Undervoltage Lockout Threshold

C/E Suffix

0.85

0.95

I Suffix

0.95

1.05

RESET

Comparator

RESET Output High Voltage (VOH)IOH = –100µA

VOUT – 0.2

RESET Output Low Voltage (VOL)IOL = 100µA

0.2

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

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