Micrel Inc.

MIC23150

October 2009

3

M9999-102309-B

Absolute Maximum Ratings

(1)

Storage Temperature Range .. ……………-65

°C to +150°C

ESD Rating

Operating Ratings

(2)

Thermal Resistance

2mm x 2mm Thin MLF-8 (

Electrical Characteristics

(4)

Bold

values indicate –40°C

Parameter

Condition

Min

Typ

Max

Units

Supply Voltage Range

2.7

5.5

V

Under-Voltage Lockout Threshold

(turn-on)

2.45

2.55

2.65

V

Under-Voltage Lockout Hysteresis

75

mV

Quiescent Current

23

40

µA

Shutdown Current

0.01

5

µA

Output Voltage Accuracy

-2.5

+2.5

%

Current Limit

2.2

3.4

A

Output Voltage Line Regulation

0.3

%/V

Output Voltage Load Regulation

0.75

%/A

PWM Switch ON-Resistance

0.150

0.110

Ω

Switching Frequency

4

MHz

SoftStart Time

115

µs

Enable Threshold

Turn-On

0.5

0.8

1.2

V

Enable Input Current

0.1

2

µA

Over-temperature Shutdown

160

°C

Over-temperature Shutdown

Hysteresis

20

°C

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.

4. Specification for packaged product only.