November 2003

3

M0307-112003

MIC37300/37301/37302

Micrel

T

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Accuracy

I

–1+1

%

10mA < I

–2+2

%

Output Voltage Line Regulation

V

0.02

0.5

%

Output Voltage Load Regulation

I

0.2

1

%

V

(6)

I

175

350

mV

I

310

500

mV

I

27

40

mA

50

mA

Ground Pin Current in Shutdown

V

1.0

5

µA

Current Limit

V

4.75

6.5

A

Start-up Time

V

170

500

µs

Enable Input

Enable Input Threshold

Regulator enable

2.25

V

Regulator shutdown

0.8

V

Enable Pin Input Current

V

2

µA

4

µA

V

1

15

30

µA

75

µA

Flag Output

I

FLG(LEAK)

V

1

µA

2

µA

V

FLG(LO)

V

(8)

210

400

mV

500

mV

V

FLG

Low Threshold, % of V

93

%

Hysteresis

2

%

High Threshold, % of V

99.2

%

MIC37302 Only

Reference Voltage

1.228

1.240

1.252

V

1.215

1.265

V

Adjust Pin Bias Current

40

80

nA

120

nA

Notes:

1.

Exceeding the absolute maximum ratings may damage the device.

2.

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

3.

P

4.

Device is ESD sensitive. Handling precautions recommended.

5.

Specification for packaged product only.

Supply Voltage (V

Enable Input Voltage (V

Power Dissipation (P

Junction Temperature (T

Storage Temperature (T

Lead Temperature (soldering, 5 sec.) ....................... 260

°C

Supply Voltage (V

Enable Input Voltage (V

Junction Temperature Range (T

Package Thermal Resistance

S-Pak (

θ

TO-263-5 (

θ