MIC37150 datasheet(3/10 Pages) MICREL

3 / 10 page

August 2003

MIC37150/37151/37152

Micrel

Electrical Characteristics (Note 5)

A = 25°C with VIN = VOUT + 1V; VEN = VIN; bold values indicate –40°C < TJ < +125°C; unless otherwise noted.

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Accuracy

L = 10mA

–1

10mA < I

OUT < IL(max), VOUT + 1 ≤ VIN ≤ 6V

–2

Output Voltage Line Regulation

IN = VOUT +1.0V to 6.0V

0.06

0.5

Output Voltage Load Regulation

L = 10mA to 1.5A

0.2

IN – VOUT; Dropout Voltage;

L = 750mA

350

Note 6

L = 1.5A

500

Ground Pin Current, Note 7

L = 1.5A

Ground Pin Current in Shutdown

IL ≤ 0.5V, VIN = VOUT + 1V

1.0

µA

Current Limit

OUT = 0

2.25

4.0

Start-up Time

EN = VIN, IOUT = 10mA, COUT = 22µF

170

500

µs

Enable Input

Enable Input Threshold

Regulator enable

2.25

Regulator shutdown

0.8

Enable Pin Input Current

IL ≤ 0.8V (regulator shutdown)

µA

IH ≥ 2.25V (regulator enabled)

µA

Flag Output

FLG(LEAK)

OH = 6V

µA

FLG(LO)

IN = 2.25V, IOL = 250µA, Note 8

210

300

400

FLG

Low threshold, % of V

OUT below nominal

Hysteresis

High threshold, % of V

OUT below nominal

99.2

Reference Voltage

1.228

1.240

1.252

Reference Voltage

Note 9

1.215

1.265

Adjust Pin Bias Current

120

Reference Voltage

Note 10

ppm/°C

Temp. Coefficient

Adjust Pin Bias Current

0.1

nA/°C

Temp. Coefficient

Absolute Maximum Rating (Note 1)

Supply Voltage (V

IN) .................................................... 6.5V

Enable Input Voltage (V

EN) .......................................... 6.5V

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

Junction Temperature ........................ –40°C ≤ TJ ≤ +125°C

Storage Temperature ......................... –65°C ≤ TJ ≤ +150°C

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

ESD, Note 3

Operating Maximum Rating (Note 2)

Supply Voltage (V

IN) ..................................... 2.25V to 6.0V

Enable Input Voltage (V

EN) ................................ 0V to 6.0V

Junction Temperature Range ............. –40°C ≤ TJ ≤ +125°C

Maximum Power Dissipation .................................... Note 4

Package Thermal Resistance

S-Pak(θJC)......................................................... 2°C/W

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