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參數(shù)資料
| 型號： | FA7622CPE |
| 廠商： | FUJI ELECTRIC HOLDINGS CO., LTD. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Bipolar IC For Switching Power Supply Control |
| 中文描述： | 雙極集成電路開關(guān)電源控制 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 67K |
| 代理商： | FA7622CPE |
FA7622CP(E)
1
I
Dimensions, mm
á
SSOP-20
1
7.2
10
11
20
5
0.6
0
0.65
7
±
0
0
±
0
0.3
0
+
2
á
DIP-20
1
20
11
10
24.4
6
7.62
3
5
1.52
0.77
2
0
0~15
0~15
0.46
±
0.1
2.54
±
0.25
0.25
+0.1
Bipolar IC
For Switching Power Supply Control
I
Description
The FA7622CP(E) is a DC-DC converter IC that can directly
drive a power MOSFET. This IC has all the necessary
protection functions for a power MOSFET. It is optimum for a
portable equipment power supply which uses low-voltage input
to output comparably large power.
I
Features
Drive circuit for connecting a power MOSFET
(Io =
±
600mA)
Built-in voltage step-up circuit to drive a power MOSFET
gate: A converter circuit requires only an N-channel power
MOSFET.
Dual control circuit
Overcurrent limiting circuit
Overload cutoff circuit with timer and latch circuit
ON/OFF control pin
Wide operating range: 3.6 to 28V
High-frequency operation: up to 1MHz
20-pin package (DIP/SSOP)
I
Applications
Battery power supply for portable equipment
+
-
-
+
-
ER, AMP1
+
-
-
+
-
FB1
ON/OFF 19
17
IN1+
3
CP
IN2+
4
REF
DT1
CT
RT VCC1
SW
20
16
1
2
14
13
BIAS
OSC
UVLO
Duty
limit
OCP
12
VCC2
15
OCL1
11
OUT1
PWM1
VB
ER, AMP2
PWM2
Duty
limit
OCP
10
OUT2
OCL2
8
GND
DT2
7
6
5
IN2-
FB2
Timer
&
latch
18
9
SW
Pin
No.
Pin
symbol
CT
RT
CP
IN2+
Description
1
Oscillator timing capacitor
2
Oscillator timing resistor
3
Timer and latch circuit
4
Non-inverting input to error
amplifier
5
IN2-
FB2
DT2
OCL2
GND
OUT2
OUT1
VCC2
SW
VCC1
OCL1
DT1
FB1
IN1+
Inverting input to error amplifier
6
Error amplifier output
7
Dead time adjustment
8
Overcurrent limiting circuit 2
9
Ground
10
CH.2 output
11
CH.1 output
12
Power supply 2
13
Switch for boost circuit
14
Power supply 1
15
Overcurrent limiting circuit 1
16
Dead time adjustment
17
Error amplifier output
18
Non-inverting input to error
amplifier
19
ON/OFF
REF
Output ON/OFF control
20
Reference voltage output
I
Block diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FA7622P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| FA7630CE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| FA7630CP | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:Bipolar IC For Switching Power Supply Control |
| FA7630CPE | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:Bipolar IC For Switching Power Supply Control |
| FA765 | 制造商:Black Box Corporation 功能描述:MMJ Modular Adapter Kit, DB9 to MMJ, Male |
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