ML4875CS-T datasheet(3/10 Pages) MICRO-LINEAR

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ML4875

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

Thermal Resistance (

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

OPERATING CONDITIONS

Temperature Range

ML4875CS-X .............................................. 0°C to 70°C

ML4875ES-X ........................................... –20°C to 70°C

VIN Operating Range

ML4875CS-X ................................. 1.0V to VOUT –0.2V

ML4875ES-X .................................. 1.1V to VOUT –0.2V

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, I(PEAK) ................................................. 1.5A

Average Switch Current, I(AVG) ....................................... 300mA

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

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

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

VIN = 4.8V, SHDN = VIN

µA

VOUT Quiescent Current

812

µA

VL Quiescent Current

1µA

PFM REGULATOR

Pulse Width (TON)

8.9

11.1

µs

Output Voltage (VOUT)

ML4875-5

TON = 0 at VOUT(MAX),

4.85

5.0

5.15

ML4875-3

8.9µs - TON - 11.1µs VOUT(MIN)

3.2

3.3

3.4

ML4875-T

2.91

3.0

3.09

Load Regulation

See Figure 1

ML4875-5

VIN = 1.2V, IOUT - 20mA

4.85

5.0

5.15

VIN = 2.4V, IOUT - 100mA

4.85

5.0

5.15

ML4875-3

VIN = 1.2V, IOUT - 30mA

3.2

3.3

3.4

VIN = 2.4V, IOUT - 140mA

3.2

3.3

3.4

ML4875-T

VIN = 1.2V, IOUT - 35mA

2.91

3.0

3.09

VIN = 2.4V, IOUT - 160mA

2.91

3.0

3.09

Under-Voltage Lockout Threshold

0.85

SHUTDOWN

Input Bias Current

–100

100

Shutdown Threshold

VSHDN = high to low

180

200

220

Shutdown Hysteresis

RESET COMPARATOR

DETECT Threshold

194

200

206

DETECT Bias Current

–100

100

RESET ON Voltage

IRESET = 50µA

100

200

RESET OFF Current

VRESET = 5V

µA

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

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