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參數(shù)資料
| 型號(hào)： | FA3621 |
| 廠商： | FUJI ELECTRIC HOLDINGS CO., LTD. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | For Switching Power Supply Control |
| 中文描述： | 對(duì)于開(kāi)關(guān)電源控制 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 67K |
| 代理商： | FA3621 |
FA3621F
3
I
Recommended operating conditions
Item
Symbol
V
CC
V
LOG
f
OSC
R
T
C
T
C
REF
I
REF
Min.
Max.
Unit
Power supply voltage
4.5
18.0
V
Input voltage for logic input
0.0
5.25
V
Oscillation frequency
50
1000
kHz
k
pF
μ
F
μ
A
Oscillator timing resistor
6.8
100
Oscillator timing capacitor
68
1000
CREF terminal by-pass capacitor
0.01
VREF terminal output current
–60
0
Pin
No.
Pin
symbol
RT
CT2
CT1
VREF
CREF
CP
FB4
IN4+
IN4
–
IN3
–
IN3+
VREG
FB3
IN2
–
FB2
IN1
–
FB1
FB5
IN5+
IN5
–
IN6
–
GND1
OUT6b
FB6
Description
1
Oscillator timing resistor
2
(Not connect any component)
3
Oscillator timing capacitor
4
Reference voltage output
5
Capacitor for reference voltage output
6
Timing capacitor for timer latch delay
7
Ch. 4 output of error amplifier
8
Ch. 4 non-inverting input to error amplifier
9
Ch. 4 inverting input to error amplifier
10
Ch. 3 inverting input to error amplifier
11
Ch. 3 non-inverting input to error amplifier
12
Regulated voltage output
13
Ch. 3 output of error amplifier
14
Ch. 2 inverting input to error amplifier
15
Ch. 2 output of error amplifier
16
Ch. 1 inverting input to error amplifier
17
Ch. 1 output of error amplifier
18
Ch. 5 output of error amplifier
19
Ch. 5 non-inverting input to error amplifier
20
Ch. 5 inverting input to error amplifier
21
Ch. 6 inverting input to error amplifier
22
Ground
23
ON/OFF switch for ch.6 power supply
24
Ch. 6 output of error amplifier
I
Absolute maximum ratings
Item
Symbol
V
CC
I
OUT
I
OUT
I
OUT6b
V
ANA
V
LOG
P
d
T
J
T
OP
T
stg
Rating
Unit
Power supply voltage
20.0
V
Source peak current
–200
mA
Sink peak current
200
mA
Output peak current of OUT6b
–500
mA
Input voltage for analog input
–0.3 to +2.8
V
Input voltage for logic input
Total power dissipation
*
Junction temperature
–0.3 to +5.5
V
550
mW
°
C
°
C
°
C
125
Ambient temperature
–20 to +85
Storage temperature
–40 to +125
*
Ta < 25
°
C
Pin
No.
Pin
symbol
CS5
CS6
CNT6
CNT5
VCC2
CS3/4
CS2
CS1
CNT3/4
CNT2
CNT1
SYN
VDRV
OUT5
OUT6a
(OPEN)
OUT1
GND2
OUT2
OUT3
OUT4
VCC1
DT2
DT1
Description
25
Soft start for Ch. 5
26
Soft start for Ch. 6
27
Ch. 6 ON/OFF function
28
Ch. 5 ON/OFF function
29
Power supply for output stage
30
Soft start for Ch. 3 & Ch. 4
31
Soft start for Ch. 2
32
Soft start for Ch. 1
33
Ch. 3 & Ch. 4 ON/OFF function
34
Ch. 2 ON/OFF function
35
Ch. 1 ON/OFF function
36
(Connect to GND1/ GND2 terminal)
37
Bias for logic circuit of outputs
38
Ch. 5 output (for Pch-MOSFET)
39
Ch. 6 output (for Nch-MOSFET)
40
(Not connect any component)
41
Ch. 1 output (for Pch-MOSFET)
42
Ground
43
Ch. 2 output (for Pch-MOSFET)
44
Ch. 3 output (for Pch-MOSFET)
45
Ch. 4 output (for Pch-MOSFET)
46
Power supply for control circuit
47
(Connect to DT1)
48
(Connect to DT2)
相關(guān)PDF資料 |
PDF描述 |
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| FA3621F | For Switching Power Supply Control |
| FA3629AV | For Switching Power Supply Control |
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| FA3641 | PWM control IC with light load power saving function For Switching Power Supply Control |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FA3621F | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:For Switching Power Supply Control |
| FA3629AV | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:For Switching Power Supply Control |
| FA3630V | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:For Switching Power Supply Control |
| FA3635P | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:For Switching Power Supply Control |
| FA3641 | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:PWM control IC with light load power saving function For Switching Power Supply Control |
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