NJM2379V 查看數據表（PDF） - Japan Radio Corporation

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NJM2379V

PWM SWITCHING REGULATOR CONTROL IC FOR SLAVE TYPE

Japan Radio Corporation  

NJM2379

■ ELECTRICAL CHARACTERISTICS

(V+=6V, RT=33kΩ, CT=1000pF, Ta=25°C OSC:Triangle Waveform, VP-P=0.5V, Offset=0.5V, fOSC=100kHz)

SHORT CIRCUIT PROTECTION

PARAMETER

SYMBOL

Input Threshold Voltage (F.B Pin)

Charge Current (CS Pin)

Latch mode

Threshold Voltage (CS Pin)

VTHPC

ICHG

VTHLA

TEST CONDITION

CS Pin=0V,F.B Pin=2V

MIN.

1.20

10

1.20

TYP.

1.50

30

1.50

MAX.

1.80

50

1.80

UNIT

V

µA

V

UNDER VOLTAGE LOCKOUT

PARAMETER

ON Threshold Voltage

OFF Threshold Voltage

Hysteresis Voltage

SYMBOL

VTHON

VTHOFF

VHYS

TEST CONDITION

MIN.

-

-

60

TYP.

2.70

2.52

180

MAX.

-

-

-

UNIT

V

V

mV

OUTPUT

PARAMETER

H-Output Voltage (OUT Pin)

L-Output Voltage (OUT Pin)

Output Source Current (OUT Pin)

SYMBOL

VOH

VOL

ISOURCE

TEST CONDITION

RL=10kΩ

Output Sink Current=20mA

OUT Pin=0V

MIN.

3.50

-

-

TYP.

4.00

0.25

35

MAX.

-

0.65

-

UNIT

V

V

mA

GENERAL CHARACTERISTICS

PARAMETER

SYMBOL

Quiescent Current

Average Quiescent Current

ICCLA

ICCAV

TEST CONDITION

Latch Mode

RL=∞, duty⋅cycle=50%

MIN.

-

-

TYP.

1.6

5.2

MAX.

2.2

10.0

UNIT

mA

mA

-4-

Ver.2004-03-03

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