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MIC5233

High Input Voltage Low IQ µCap LDO Regulator

Micrel 

Micrel, Inc.

MIC5233

Absolute Maximum Ratings(1)

Input Supply Voltage (VIN).............................. −20V to +38V

Enable Input Voltage (VEN)............................ −0.3V to +38V

Power Dissipation (PDIS)............................Internally Limited

Junction Temperature (TJ) ........................−40°C to +125°C

Storage Temperature (TS).........................−65°C to +150°C

ESD Rating(3)................................................. ESD Sensitive

Operating Ratings(2)

Input Supply Voltage (VIN)............................. +2.3V to +36V

Enable Input Voltage (VEN)................................. 0V to +36V

Junction Temperature (TJ) ........................ −40°C to +125°C

Package Thermal Resistance

SOT-23-5 (θJA) .................................................235°C/W

SOT-223 (θJA) ....................................................50°C/W

Electrical Characteristics(4)

TJ = 25°C with VIN = VOUT + 1V; IOUT = 100µA; Bold values indicate –40°C < TJ < +125°C; unless otherwise specified.

Parameter

Condition

Min.

Typ.

Max.

Output Voltage Accuracy

Variation from nominal VOUT

−1.0

+1.0

−2.0

+2.0

Line Regulation

Load Regulation

Dropout Voltage

VIN = VOUT + 1V to 36V

IOUT = 100µA to 100mA

IOUT = 100µA

IOUT = 50mA

0.04

0.5

0.25

1

50

230

300

400

IOUT = 100mA

270

400

450

Ground Current

Ground Current in Shutdown

Short-Circuit Current

Output Leakage, Reverse Polarity Input

Enable Input (SOT-23 Package Only)

IOUT = 100µA

IOUT = 50mA

IOUT = 100mA

VEN ≤ 0.6V; VIN + 36V (SOT-23 package only)

VOUT = 0V

Load = 500Ω; VIN = −15V

18

30

35

0.25

0.70

1

2

0.1

1

190

350

−0.1

Input LOW Voltage

Regulator OFF

0.6

Input HIGH Voltage

Regulator ON

2.0

Enable Input Current

Start-Up Time

VEN = 0.6V; Regulator OFF

VEN = 2.0V; Regulator ON

VEN = 36V; Regulator ON

Guaranteed by design

−1.0

0.01

1.0

0.1

1.0

0.5

2.5

1.7

7

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

Units

%

%

%

mV

µA

mA

µA

mA

µA

V

V

µA

ms

July 2012

3

M9999-071212-B

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