MIC39152WD datasheet(4/14 Pages) MICREL

4 / 14 page

Micrel, Inc.

MIC39150/39151/39152

October 2009

M9999-102309-A

Absolute Maximum Ratings

(1)

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

Enable Voltage (VEN)....................................................+20V

Storage Temperature (Ts) .........................–60°C to +150°C

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

ESD Rating................................................................ Note 3

Operating Ratings

(2)

Supply Voltage (VIN).................................... +2.25V to +16V

Enable Voltage (VEN)....................................................+16V

Maximum Power Dissipation (PD(max)) ....................... Note 4

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

Package Thermal Resistance

TO-263 (θJC) ........................................................2°C/W

TO-220 (θJC) ........................................................2°C/W

TO-252 (θJC) ........................................................3°C/W

TO-252 (θJA) ......................................................56°C/W

Electrical Characteristics

(5)

VIN = VEN = VOUT + 1V; IOUT = 10mA; TJ = 25°C, bold values indicate –40°C< TJ < +125°C, unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

Output Voltage

10mA

10mA ≤ IOUT ≤ 1.5A, VOUT + 1V ≤ VIN ≤ 8V

–1

–2

Line Regulation

IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 16V

0.06

0.5

VOUT

Load Regulation

VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 1.5A

0.2

∆VOUT/∆T

Output Voltage Temp.

Coefficient, Note 6

100

ppm/°C

IOUT = 100mA, ∆VOUT = –1%

200

IOUT = 750mA, ∆VOUT = –1%

260

VDO

Dropout Voltage, Note 7

IOUT = 1.5A, ∆VOUT = –1%

375

500

IOUT = 750mA, VIN = VOUT + 1V

IGND

Ground Current, Note 8

IOUT = 1.5A, VIN = VOUT + 1V

IGND(do)

Dropout Ground Pin Current

VIN ≤ VOUT(nominal) – 0.5V, IOUT = 10mA

1.1

IOUT(lim)

Current Limit

VOUT = 0V, VIN = VOUT + 1V

2.8

IOUT(min)

Minimum Load Current

tSTART

Start-up Time

VEN = VIN, IOUT = 10mA, COUT = 47µF

150

µs

Enable Input (MIC39151)

logic low (off)

0.8

VEN

Enable Input Voltage

logic high (on)

2.25

VEN = 2.25V

µA

IIN

Enable Input Current

VEN = 0.8V

µA

IOUT(shdn)

Shutdown Output Voltage

Note 9

µA

Flag Output (MIC39151)

IFLG(leak)

Output Leakage Current

VOH = 16V

0.01

µA

VFLG(do)

Output Low Voltage

VIN = 2.250V, IOL = 250µA, Note 10

180

300

400

Low Threshold

% of VOUT

High Threshold

% of VOUT

99.2

VFLG

Hysteresis

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