MIC2954 Просмотр технического описания (PDF) - Micrel

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MIC2954

250mA Low-Dropout Regulator

Micrel 

Micrel, Inc.

Symbol

ILIMIT

∆VOUT/∆PD

en

Parameter

Current Limit, Note 11

Thermal Regulation, Note 12

Output Noise Voltage

(10Hz to 100kHz)

Reference Voltage

Reference Voltage

Feedback Pin Bias Current

Reference Voltage

Temperature Coefficient,

Note 12

Feedback Pin Bias Current

Temperature Coefficient

Error Comparator

Output Leakage Current

Output Low Voltage

Upper Threshold Voltage

Lower Threshold Voltage

Hysteresis

Shutdown Input

Input Logic Voltage

Shutdown Pin Input Current

Regular Output Current in

Shutdown

Condition

VOUT = 0V

IL = 100mA, CL = 2.2µF

IL = 100mA, CL = 33µF

MIC2954-02/-07 (±0.5%)

MIC2954-03/-08 (±1%)

MIC2954-02/-07 (±0.5%), Note 13

MIC2954-03/-08 (±1%), Note 13

MIC2954-02/-07 (±0.5%)

MIC2954-03/-08 (±1%)

VOH = 30V

VIN = 4.5V, IOL = 400µA

Note 14

Note 14

Note 14

low (on)

high (off)

VSHDN = 2.4V

VSHDN = 30V

Note 15

MIC2954

Min Typ

1.220

1.200

1.210

1.200

1.190

1.185

0.05

400

260

1.235

1.235

20

20

50

0.1

Max

750

800

0.2

1.250

1.260

1.260

1.270

1.270

1.285

40

60

40

Units

mA

mA

%/W

µVRMS

µVRMS

V

V

V

V

V

V

nA

nA

ppm/°C

ppm/°C

nA/°C

0.01 1.00

µA

2.00

µA

150

250

mV

400

mV

60

40

mV

25

mV

75

95

mV

140

mV

15

mV

mV

1.3

0.7

V

2.0

V

30

50

µA

100

µA

450

600

µA

750

µA

3

10

µA

20

µA

September 2007

5

M9999-090607

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