CLM2950 데이터 시트보기 (PDF) - Calogic, LLC

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CLM2950

150mA Low Dropout Voltage Regulators

Calogic, LLC 

CORPORATION

CLM2950 / CLM2951

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

180

160

140

120

100

80

60

40

20

0

0

RAISED OUTPUT

TO-92 PACKAGE

.25˚ LEADS SOLDERED

TO PC BOARD 150

TJMAX = 125˚C

TA = 85˚C

TA = 25˚C

5 10 15 20 25

INPUT VOLTAGE (V)

30

1E-17

THERMAL RESPONSE

5

4

2

0

–2

1

1.25W

0

–1

0

10 20 30 40 50

TIME (µS)

1E-18

TYPICAL APPLICATIONS

4.75V

OUTPUT

VOLTAGE

ERROR*

INPUT

VOLTAGE

5.0V

1.3V

*SEE APPLICATION INFO.

1E-19

FIGURE 1. ERROR OUTPUT TIMING

+VIN

ERROR

OUTPUT

100K

5

ERROR

8

+VIN

1

VOUT

1.2 TO 30V

SHUTDOWN

INPUT

CLM2951

3

SD

GND

4

FB

7

1.23V

+

R1

3.3µF

.01 µF

VREF

R2

1E-20

FIGURE 2. ADJUSTABLE REGULATOR

+VIN

470K Ω

8

5

+VIN

ERROR

470K Ω

1

VOUT

CLM2951

3

SD

GND

FB

4

7

VOUT

+

R1

1µF

R2

LATCH OFF WHEN ERROR FLAG OCCURS

1E-21

ERROR

OUTPUT

SHUTDOWN

INPUT

+VIN

5

ERROR

8

+VIN

1

VOUT

CLM2951

3

SD

GND

FB

4

7

*VOUT = VIN

*MINIMUM INPUT - OUTPUT VOLTAGE RANGES FROM 4mV TO 400mV.

DEPENDING ON LOAD CURRENT. CURRENT LIMIT IS TYPICALLY 160mA.

WIDE INPUT VOLTAGE RANGE CURRENT LIMITER

1E-22

CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

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