MIC5256-2.6BM5 datasheet(4/13 Pages) MICREL

Part #	MIC5256-2.6BM5

Description	150mA 關Cap LDO with Error Flag

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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Micrel, Inc.

MIC5256

August 2010

4

M9999-080510

Absolute Maximum Ratings

(1)

Supply Voltage (VIN)............................................. 0V to +7V

Enable Voltage (VEN)............................................ 0V to +7V

Power Dissipation (PD)........................... Internally Limited

(3)

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

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

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

EDS Rating

(4).................................................................. 2kV

Operating Ratings

(2)

Supply Voltage (VIN)........................................ +2.7V to +6V

Enable Voltage (VEN).............................................. 0V to VIN

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

Thermal Resistance

SOT23-5 (

θJA) ..................................................235°C/W

Electrical Characteristics

(5)

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

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

VO

Output Voltage Accuracy

IOUT = 100µA

–1

–2

1

2

%

ΔVLNR

Line Regulation

VIN = VOUT + 1V to 6V

0.02

0.05

%/V

ΔVLDR

Load Regulation

IOUT = 0.1mA to 150mA

(6)

1.5

2.5

%

IOUT = 100µA

0.1

5

mV

IOUT = 100mA

90

150

mV

VIN –

VOUT

Dropout Voltage

(7)

IOUT = 150mA

135

200

250

mV

IQ

Quiescent Current

VEN ≤ 0.4V (shutdown)

0.2

1

µA

IOUT = 0mA

90

150

µA

IGND

Ground Pin Current

(8)

IOUT = 150mA

117

µA

f = 10Hz, VIN = VOUT + 1V; COUT = 1.0µF

60

dB

f = 100Hz, VIN = VOUT + 0.5V; COUT =

1.0µF

60

dB

PSRR

Ripple Rejection

f = 10kHz, VIN = VOUT + 0.5V

45

dB

ILIM

Current Limit

VOUT = 0V

160

425

mV

en

Output Voltage Noise

TBD

µV(rms)

Enable Input

VIL

Enable Input Logic-Low Voltage

VIN = 2.7V to 5.5V, regulator shutdown

0.4

V

VIH

Enable Input Logic-High

Voltage

VIN = 2.7V to 5.5V, regulator enabled

1.6

V

VIL ≤ 0.4V, regulator shutdown

0.01

µA

IEN

Enable Input Current

VIH ≥ 1.6V, regulator enabled

0.01

µA

Shutdown Resistance

Discharge

500

Ω

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