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PDF NJM2383 Data sheet ( Hoja de datos )
| Número de pieza | NJM2383 | |
| Descripción | DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2383 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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NJM2383
DC/DC CONVERTER CONTROL IC
WITH CURRENT SENSE AMPLIFIER
sGENERAL DESCRIPTION
The NJM2383 is a low voltage operation DC/DC converter
control IC featuring high side current protection, soft start
and standby functions.
It is suitable for power module application and on-board
regulators.
sPACKAGE OUTLINE
NJM2383D
NJM2383M
sFEATURES
q PWM switching control
q Operating Voltage
(3.6 to 32V)
q Wide Oscillator Range
(5 to 350 kHz)
q ON/OFF Circuit
(High Active)
q Current Sensing Amplifier
q Soft-Start Function
q UVLO(Under Voltage Lockouts)
q Bipolar Technology
q Package Outline DIP14, DMP14, SSOP10
sPIN CONFIGURATION
1 14
2 13
3 12
4 11
5 10
69
78
NJM2383D
NJM2383M
1 10
29
38
47
56
NJM2383V
NJM2383V
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 1.0 - 1 -
1 page  
NJM2383
sELECTRICAL 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
Stand-by Current
Latch Mode
Threshold Voltage (CS Pin)
Quiescent Current
Average Quiescent Current
ICCSTBY Stand-by Mode, VON/OFF=0V
VTHLA
ICCLA
ICCAV
Latch Mode
RL= , duty·cycle=50%
(note) Duty·Cycle is defined as follows:
Duty·Cycle=0%: IC output transistor is OFF.
Duty·Cycle=100%: IC output transistor is ON.
MIN.
–
1.2
–
–
TYP.
12
1.5
1.6
5.5
MAX.
20
1.8
UNIT
µA
V
2.2 mA
10 mA
s 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
0.52V
ER·AMP
PW M
V+
VOUT
GND
12345
(Package:SSOP10)
-5-
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet NJM2383.PDF ] | |
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