NJM2369(2004) 查看數據表（PDF） - Japan Radio Corporation

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NJM2369
(Rev.:2004)

SWITCHING REGULATOR CONTROL IC FOR FLYBACK

Japan Radio Corporation  

NJM2369

■ELECTRICAL CHARACTERISTICS (V+=6V, RT=33kΩ, CT=1,000pF, Ta=25°C)

PWM COMPARATE BLOCK

PARAMETER

Input Threshold Voltage

(F.B Pin)

Input Threshold Voltage

(F.B Pin)

Maximum Duty Cycle

SYMBOL

RATINGS

VTH0 duty·cycle=0%

VTH50 duty·cycle=50%

αM F.B Pin=1.2V

MIN.

–

–

55

SOFT START CIRCUIT BLOCK

PARAMETER

SYMBOL

RATINGS

Input Bias Current (CS Pin)

Input Threshold Voltage

(CS Pin)

Input Threshold Voltage

(CS Pin)

IBCS

VTHCS0 duty·cycle=0%

VTHCS50 duty·cycle=50%

MIN.

–

–

–

SHORT CIRCUIT PROTECTION

PARAMETER

SYMBOL

RATINGS

Input Threshold Voltage

(F.B Pin)

Charge Current

(CS Pin)

Latch mode Threshold Voltage

(CS Pin)

VTHPC

ICHG

VTHLA

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

MIN.

1.20

10

1.20

UNDER VOLTAGE LOCKOUT

PARAMETER

ON Threshold Voltage

OFF Threshold Voltage

Hysteresis Voltage

SYMBOL

VTHON

VTHOFF

VHYS

RATINGS

MIN.

–

–

60

OUTPUT

PARAMETER

H-Output Voltage (OUT Pin)

L-Output Voltage (OUT Pin)

Output Source Current

(OUT Pin)

SYMBOL

RATINGS

VOH RL=10kΩ

VOL Output Sink Current =20mA

ISOURCE OUT Pin=0V

MIN.

3.50

–

–

GENERAL CHARACTERISTIC

PARAMETER

Quiescent Current

Average Quiescent Current

SYMBOL

RATINGS

ICCLA

ICCAV

Latch Mode

RL=∞, duty·cycle=50%

MIN.

–

–

TYP. MAX. UNIT

0.55

0.65

V

0.87

–

V

64

85

%

TYP. MAX. UNIT

250

650 nA

0.25

0.35

V

0.52

–

V

TYP. MAX. UNIT

1.50

1.80

V

30

50

uA

1.50 1.80

V

TYP. MAX. UNIT

2.70

–

V

2.52

–

V

180

–

mV

TYP. MAX. UNIT

4.00

–

V

0.25

0.65

V

35

–

mA

TYP. MAX. UNIT

1.6

2.2 mA

5.2

10.0 mA

Ver.2004-06-03

-3-

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