MIC39152WU datasheet(4/14 Pages) MICREL

Part #	MIC39152WU

Description	1.5A, Low-Voltage Low-Dropout Regulator

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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4 / 14 page

Micrel, Inc.

MIC39150/39151/39152

October 2009

4

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

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

1

%

∆VOUT/∆T

Output Voltage Temp.

Coefficient, Note 6

20

100

ppm/°C

IOUT = 100mA, ∆VOUT = –1%

80

200

mV

IOUT = 750mA, ∆VOUT = –1%

260

mV

VDO

Dropout Voltage, Note 7

IOUT = 1.5A, ∆VOUT = –1%

375

500

mV

IOUT = 750mA, VIN = VOUT + 1V

4

20

mA

IGND

Ground Current, Note 8

IOUT = 1.5A, VIN = VOUT + 1V

17

mA

IGND(do)

Dropout Ground Pin Current

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

1.1

mA

IOUT(lim)

Current Limit

VOUT = 0V, VIN = VOUT + 1V

2.8

A

IOUT(min)

Minimum Load Current

7

10

mA

tSTART

Start-up Time

VEN = VIN, IOUT = 10mA, COUT = 47µF

35

150

µs

Enable Input (MIC39151)

logic low (off)

0.8

V

VEN

Enable Input Voltage

logic high (on)

2.25

V

VEN = 2.25V

1

15

30

75

µA

IIN

Enable Input Current

VEN = 0.8V

2

4

µA

IOUT(shdn)

Shutdown Output Voltage

Note 9

10

20

µA

Flag Output (MIC39151)

IFLG(leak)

Output Leakage Current

VOH = 16V

0.01

1

2

µA

VFLG(do)

Output Low Voltage

VIN = 2.250V, IOL = 250µA, Note 10

180

300

400

mV

Low Threshold

% of VOUT

93

%

High Threshold

% of VOUT

99.2

%

VFLG

Hysteresis

1

%

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