MIC39300 datasheet(4/13 Pages) MICREL

4 / 13 page

Micrel, Inc.

MIC39300/39301/39302

October 2009

M9999-102309-A

Absolute Maximum Ratings

(1)

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

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

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

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

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

Operating Ratings

(2)

Supply Voltage (VIN)...................................... +2.5V 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

Electrical Characteristics

(5)

TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

VOUT

Output Voltage

10mA

10mA ≤ IOUT ≤ 3A, VOUT + 1V ≤ VIN ≤ 8V

–1

–2

Line Regulation

IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 8V

0.06

0.5

Load Regulation

VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 3A

0.2

∆VOUT/∆T

Output Voltage Temp.

Coefficient

Note 6

100

ppm/°C

IOUT = 100mA, ∆VOUT = –1%

200

IOUT = 750mA, ∆VOUT = –1%

185

IOUT = 1.5A, ∆VOUT = –1%

250

VDO

Dropout Voltage

Note 7, Note 10

IOUT = 3A, ∆VOUT = –1%

385

550

IOUT = 750mA, VIN = VOUT + 1V

IOUT = 1.5A, VIN = VOUT + 1V

IGND

Ground Current

Note 8

IOUT = 3A, VIN = VOUT + 1V

IGND(do)

Dropout Ground Pin Current

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

IOUT(lim)

Current Limit

VOUT = 0V, VIN = VOUT + 1V

4.5

Enable Input (MIC39301)

VEN

Enable Input Voltage

logic low (off)

0.8

logic high (on)

2.5

IIN

Enable Input Current

VEN = 2.5V

µA

VEN = 0.8V

µA

IOUT(shdn)

Shutdown Output Current

Note 9

µA

Flag Output (MIC39301)

IFLG(leak)

Output Leakage Current

VOH = 16V

0.01

µA

VFLG(do)

Output Low Voltage

VIN = 2.50V, IOL, = 250µA, Note 10

220

300

400

VFLG

Low Threshold

% of VOUT

High Threshold

% of VOUT

99.2

Hysteresis

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