August, 2004

3

M9999-081204

MIC2292/93

Micrel

Supply Voltage (V

Switch Voltage (V

Enable Pin Voltage (V

FB Voltage (V

Switch Current (I

Ambient Storage Temperature (T

Schottky Reverse Voltage (V

Supply Voltage (V

Output Voltage (V

Junction Temperature Range (T

Package Thermal Impedance

8-lead MLF™ (

θ

T

Symbol

Parameter

Condition

Min

Typ

Max

Units

V

IN

Supply Voltage Range

2.5

10

V

V

UVLO

Under Voltage Lockout

1.8

2.1

2.4

V

I

VIN

Quiescent Current

V

2.5

5

mA

I

SD

Shutdown Current

V

(5)

0.1

1

µA

V

FB

Feedback Voltage

(

±5%)

90

95

100

mV

I

FB

Feedback Input Current

V

–450

nA

Line Regulation

3V

≤ V

0.5

1

%

Load Regulation

5mA

≤ I

0.5

2

%

D

MAX

Maximum Duty Cycle

85

90

%

I

SW

Switch Current Limit

750

mA

V

SW

Switch Saturation Voltage

I

450

mV

I

SW

Switch Leakage Current

V

0.01

5

µA

V

EN

Enable Threshold

TURN ON

1.5

V

TURN OFF

0.4

V

I

EN

Enable Pin Current

V

20

40

µA

f

SW

Oscillator Frequency

MIC2292

1.4

1.6

1.8

MHz

MIC2293

1.75

2.0

2.25

MHz

V

D

Schottky Forward Drop

I

0.8

1

V

I

RD

Schottky Leakage Current

V

4

µA

V

OVP

Overvoltage Protection

MIC2292/93-15

13

14

16

V

MIC2292/93-34

30

32

34

V

T

J

Overtemperature

150

°C

Threshold Shutdown

Hysteresis

10

°C

Notes:

1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating

the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T

the junction-to-ambient thermal resistance,

θ

die temperature, and the regulator will go into thermal shutdown.

2. This device is not guaranteed to operate beyond its specified operating ratings.

3. Devices are inherently ESD sensitive. Handling precautions required. Human body model.

4. Specification for packaged product only.

5. I

6. Guaranteed by design.