NJM2383 データシートの表示（PDF） - Japan Radio Corporation

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NJM2383

Switching Regulator IC / DIP8 / DMP8 / SIP8 / SSOP14

Japan Radio Corporation  

NJM2383

sELECTRICAL CHARACTERISTICS (V+=6V,RT=33kΩ,CT=1000pF,VON/OFF=3V,Ta=25°C)

ERROR AMPLIFIER BLOCK

PARAMETER

SYMBOL

TEST CONDITION

Reference Voltage2

Input Bias Voltage2

Open Loop Gain2

Gain Bandwidth Product2

Maximum Output Voltage2

(F.B Pin)

Maximum Source Current2

(F.B Pin)

VB2

IB2

AV2

GB2

VOM-2

IOM+2

RNF=100kΩ

VOM=0.5V

MIN.

0.51

–

–

–

–

40

TYP.

0.52

5

90

0.6

–

85

MAX.

0.53

100

–

–

1

UNIT

V

nA

dB

MHz

V

200 µA

PWM COMPARATE BLOCK

PARAMETER

SYMBOL

TEST CONDITION

Input Threshold Voltage

(F.B Pin)

Input Threshold Voltage

(F.B Pin)

VTH0

VTH100

duty·cycle=0% (note)

duty·cycle=100% (note)

MIN.

–

–

TYP.

1.65

2.10

MAX. UNIT

1.75

V

–

V

SOFT START CIRCUIT BLOCK

PARAMETER

SYMBOL

TEST CONDITION

Input Bias Current

(CS Pin)

Input Threshold Voltage

(CS Pin)

Input Threshold Voltage

(CS Pin)

IBCS

VTHCS0

VTHCS50

CS Pin=1.8V

duty·cycle=0% (note)

duty·cycle=100% (note)

MIN.

–

–

–

TYP.

250

0.25

0.7

MAX. UNIT

650 nA

0.35

V

–

V

UNDER VOLTAGE LOCKOUT BLOCK

PARAMETER

SYMBOL

ON Threshold Voltage

OFF Threshold Voltage

Hysteresis Voltage

VTHON

VTHOFF

VHYS

TEST CONDITION

MIN.

–

–

60

TYP.

2.70

2.52

180

MAX.

–

–

–

UNIT

V

V

mV

OUTPUT BLOCK

PARAMETER

L Output Voltage (OUT Pin)

SYMBOL

TEST CONDITION

VOL Output Sink Current=100mA

MIN.

–

TYP.

0.25

MAX. UNIT

0.65

V

-4-

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