MIC5265-2.85YD5 datasheet(4/11 Pages) MICREL

Part #	MIC5265-2.85YD5

Description	150mA 關Cap LDO Regulator

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Manufacturer	MICREL [Micrel Semiconductor]

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Micrel, Inc.

MIC5265

February 2007

4

M9999-022307

Absolute Maximum Ratings

(1)

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

Enable Input Voltage (VEN1) ................................. 0V to +7V

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

(3)

Junction Temperature (TJ) ...........................-40°C to 125°C

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

Storage Temperature (Ts) ............................-55°C to 150°C

EDS Rating

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

Operating Ratings

(2)

Supply Input Voltage (VIN)............................ +2.7V to +5.5V

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

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

Junction Thermal Resistance

Thin SOT-23-5 (

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

Electrical Characteristics

(5)

VEN = VIN = VOUT + 1V; IL =100µA; CL = 1.0µF; CBYP = 0.01µF per output; TA = 25°C, bold values indicate –40°C< TA <

+85°C; unless noted.

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Accuracy

IOUT = 100µA

-2

-3

2

3

%

Line Regulation

VIN = VOUT +1V to 5.5V

0.05

0.2

%

Load Regulation

IOUT = 0.1mA to 150mA

2

3

%

Dropout Voltage

IOUT = 50mA

IOUT = 150mA

75

210

500

mV

Quiescent Current

VEN < 0.2V

0.2

2

µA

Ground Pin Current

IOUT = 0mA

IOUT = 150mA

75

80

120

150

µA

PSRR (Ripple Rejection)

f = 100Hz, CBYP = 0.1µF, ILOAD – 50mA

f = 1kHz, CBYP = 0.1µF, ILOAD – 50mA

f = 10kHz, CBYP = 0.1µF, ILOAD – 50mA

62

64

dB

Current Limit

VOUT = 0V

225

mA

Output Noise

COUT = 1.0µF, CBYP = 0.1µF, f = 10Hz to

100kHz

57

µV

(rms)

Enable Input (EN1 and EN2)

Enable Input Logic Low

VIN = 2.7V to 5.5V, regulator shutdown

0.2

V

Enable Input Logic High

VIN = 2.7V to 5.5V, regulator enabled

1.6

V

Enable Input Current

VIL < 0.4V, regulator shutdown

VIH > 1.6V, regulator enabled

0.01

µA

Thermal Shutdown

Thermal Shutdown Temperature

150

°C

Hysteresis

10

°C

Turn-on/Turn-off Characteristics

Turn-on Time

40

150

µs

Discharge Resistance

500

Ω

Notes

:

1.

Exceeding the absolute maximum rating may damage the device.

2.

The device is not guaranteed to function outside its operating rating.

3.

The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max)–TA)/θJA. Exceeding the maximum allowable

power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The θJA of the MIC5265x.xYD5 (all

versions) is 235

°C/W on a PC board (see ”Thermal Considerations” section for further details).

4.

Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

5.

Specification for packaged product only.

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