MIC5239BMM datasheet(4/14 Pages) MICREL

4 / 14 page

Micrel

MIC5239

December 2007

M9999-121007

Absolute Maximum Ratings(1)

Supply Voltage (VIN) ...................................... –20V to +32V

Enable Input Voltage (VEN)............................ –0.3V to +32V

Power Dissipation (PD)

(3) ...........................Internally Limited

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

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

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

°C

ESD Rating(4)

SOT-23-3L ............................................................... 2kV

MSOP-8L .............................................................. 1.5kV

Operating Ratings(2)

Supply Voltage (VIN).......................................... 2.3V to 30V

Enable Input Voltage (VEN)................................... 0V to 30V

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

Package Thermal Resistance

MSOP

(θJA)....................................................... 80°C/W

SOT-223

(θJA)................................................... 50°C/W

Electrical Characteristics(5)

VIN = VOUT + 1V; VEN ≥ 2.0V; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

VOUT

Output Voltage Accuracy

Variation from nominal VOUT

–1

–2

∆VOUT/VOUT

Line Regulation

VIN = VOUT +1V to 30V

0.06

0.5

∆VOUT/VOUT

Load Regulation

IOUT = 100µA to 500mA

(6)

IOUT = 100µA

IOUT = 150mA

260

350

400

∆V

Dropout Voltage

(7)

IOUT = 500mA

350

VEN ≥ 2.0V, IOUT = 100µA

µA

VEN ≥ 2.0V, IOUT = 150mA

1.3

IGND

Ground Pin Current

VEN ≥ 2.0V, IOUT = 500mA

8.5

IGND(SHDN)

Ground Pin Shutdown

VEN ≤ 0.6V, VIN = 30V

0.1

µA

ISC

Short Circuit Current

VOUT = 0V

850

1200

Output Noise

10Hz to 100kHz, VOUT = 3.0V, CL = 3.3µF

160

µVrms

FLAG Output

Low Threshold

% of VOUT

VFLG

High Threshold

% of VOUT

VOL

FLAG Output Low Voltage

VIN = VOUT(nom) – 0.12VOUT, IOL = 200µA

150

ILEAK

FLAG Output Leakage

VOH = 30V

0.1

µA

Enable Input

VIL

Input Low Voltage

regulator off

0.6

VIH

Input High Voltage

regulator on

2.0

VEN = 0.6V, regulator off

–1.0

–2.0

0.01

1.0

2.0

µA

VEN = 2.0V, regulator on

0.15

1.0

2.0

µA

IIN

Enable Input Current

VEN = 30V, regulator on

0.5

2.5

5.0

µA

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