Micrel, Inc.

MIC5233

September 2009

3

M9999-092109

Absolute Maximum Ratings

(1)

Input Supply Voltage ........................................ –20V to 38V

Enable Input Voltage....................................... –0.3V to 38V

Power Dissipation .....................................Internally Limited

Junction Temperature ...............................–40°C to +125°C

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

ESD Rating, Note 3

Operating Ratings

(2)

Input Supply Voltage ........................................ 2.3V to 36V

Enable Input Voltage............................................ 0V to 36V

Package Thermal Resistance

SOT-23-5

Electrical Characteristics

(4)

specified.

Parameter

Condition

Min

Typ

Max

Units

–1.0

+1.0

%

Output Voltage Accuracy

–2.0

+2.0

%

Line Regulation

0.04

0.5

%

Load Regulation

0.25

1

%

50

mV

230

300

mV

400

mV

270

400

mV

Dropout Voltage

450

mV

18

30

µA

35

µA

0.25

0.70

mA

Ground Current

1

2

mA

Ground Current in Shutdown

0.1

1

µA

Short Circuit Current

190

350

mA

Output Leakage, Reverse

Polarity Input

–0.1

µA

Enable Input

Input Low Voltage

Regulator OFF

0.6

V

Input High Voltage

Regulator ON

2.0

V

VEN = 0.6V; Regulator OFF

–1.0

0.01

1.0

µA

VEN = 2.0V; Regulator ON

0.1

1.0

µA

Enable Input Current

VEN = 36V; Regulator ON

0.5

2.5

µA

Start-Up Time

Guaranteed by design

1.7

7

msec

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.