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PDF NJM2382 Data sheet ( Hoja de datos )
| Número de pieza | NJM2382 | |
| Descripción | Switching Regulator IC / DIP14 / DMP14 / SSOP10 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2382 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NJM2382
www.DataSheet4U.com
SWITCHING REGULATOR CONTROL IC FOR FLYBACK
WITH CURRENT SENSE AMPLIFIER
IGENERAL DESCRIPTION
The NJM2382 is a low voltage operation switching regulator
control IC.
It features totem pole output directly driving external bipolar
transistor and operates at high switching frequency which
improves transient response. In addition, low power standby
function is incorporated.
It is suitable for LCD back light, and other portable
applications.
IPACKAGE OUTLINE
NJM2382D
NJM2382M
IFEATURES
G PWM switching control
G Operating Voltage
(3.6 to 32V)
G Wide Oscillator Range
(5 to 350 kHz)
G ON/OFF Circuit
(High Active)
G Current Sensing Amplifier
G Soft-Start Function
G UVLO(Under Voltage Lockouts)
G Bipolar Technology
G Package Outline DIP14, DMP14, SSOP10
NJM2382V
IPIN CONFIGURATION
1 14
2 13
3 12
4 11
5 10
69
78
NJM2382D
NJM2382M
1 10
29
38
47
56
NJM2382V
PIN FUNCTION
1.NC
2.IN-1
3.IN-2
8.NC
9. V+
10.CS
4.F.B
11.CT
5.GND
12.REF
6.OUT
13.ON/OFF
7.NC
14.NC
PIN FUNCTION
1.IN-1
6. V+
2.IN-2
7.CS
3.F.B
8.CT
4.GND
9.REF
5.OUT
10.ON/OFF
Ver 1.3 - 1 -
1 page  
www.DataSheet4U.com
NJM2382
IELECTRICAL CHARACTERISTICS (V+=6V,RT=33kΩ,CT=1000pF,VON/OFF=3V,Ta=25°C)
ON/OFF BLOCK
PARAMETER
SYMBOL
TEST CONDITION
OFF Threshold Voltage
(ON/OFF Pin)
ON Threshold Voltage
(ON/OFF Pin)
Input Bias Current
(ON/OFF Pin)
VOFF
VON
ION/OFF
VON/OFF=3V
MIN.
–
1.1
–
TYP.
–
–
100
MAX. UNIT
0.3 V
–V
120 µA
GENERAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITION
Standby Current
Latch Mode
Threshold Voltage (CS Pin)
Quiescent Current
Average Quiescent Current
ICCSTBY Standby Mode, VON/OFF=0V
VTHLA
ICCLA
ICCAV
Latch Mode
RL= , duty·cycle=50%
MIN.
–
1.2
–
–
TYP.
12
1.5
1.6
3.5
MAX.
20
1.8
UNIT
µA
V
2.2 mA
4.8 mA
I TYPICAL APPLICATIONS
ON/OFF
CONTROL
2.50V
330kΩ
36kΩ
4.7µF 180kΩ
1000pF
10 9
8
ON/OFF
“High” Active
CURRENT
SENSE AMP
VREF
U.V.LO
OSC
76
L.O
500Ω
0.52V
ER·AMP
PWM
V+
VOUT
GND
12345
(Package:SSOP10)
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJM2382.PDF ] | |
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