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參數(shù)資料
| 型號(hào)： | FA3675F |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | For Switching Power Supply Control |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | LQFP-48 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 108K |
| 代理商： | FA3675F |
FA3675F
124
*
Ta < 25
°
C
Pin
No.
Pin
symbol
VCC1
RT
CT
CS3
CS5
CS4
CS1
CS2
VREF
CREF
VREG
IN2-
FB2
IN1-
FB1
IN5+
IN5-
FB5
IN6-
FB6
IN3+
IN3-
FB3
IN4+
Description
1
Power supply for control circuit
2
Oscillator timing resistor
3
Oscillator timing capacitor
4
Soft start for Ch. 3 & Ch. 4
5
Soft start for Ch. 6
6
Soft start for Ch. 5
7
Soft start for Ch. 1
8
Soft start for Ch. 2
9
Reference voltage output
10
Capacitor for reference voltage output
11
Regulated voltage output
12
Ch. 2 inverting input to error amplifier
13
Ch. 2 output of error amplifier
14
Ch. 1 inverting input to error amplifier
15
Ch. 1 output of error amplifier
16
Ch. 5 non-inverting input to error amplifier
17
Ch. 5 inverting input to error amplifier
18
Ch. 5 output of error amplifier
19
Ch. 6 inverting input to error amplifier
20
Ch. 6 output of error amplifier
21
Ch. 3 non-inverting input to error amplifier
22
Ch. 3 inverting input to error amplifier
23
Ch. 3 output of error amplifier
24
Ch. 4 non-inverting input to error amplifier
Pin
No.
Pin
symbol
IN4-
FB4
CP
GND
TLSEL
CNT5
CNT4
CNT2
CNT3
CNT1
VCC2
VDRV
PGND1
OUT1S
OUT1
OUT4
OUT3
OUT2S
OUT2
OUT6S
OUT6
OUT5
OUT5S
PGND2
Description
25
Ch. 4 inverting input to error amplifier
26
Ch. 4 output of error amplifier
27
Timing capacitor for timer latch delay
28
Ground
29
Ch. 3 & Ch. 4 timer latch selection (Low: disable)
30
Ch. 6 ON/OFF function
31
Ch. 5 ON/OFF function
32
Ch. 2 ON/OFF function
33
Ch. 3
& Ch. 4
ON/OFF function
34
Ch. 1 ON/OFF function
35
Power supply for output stage
36
Bias for logic circuit of outputs
37
Power ground
38
Ch. 1 source electrode of output stage
39
Ch. 1 output (for Pch-MOSFET)
40
Ch. 4 output (for Pch-MOSFET)
41
Ch. 3 output (for Pch-MOSFET)
42
Ch. 2 source electrode of output stage
43
Ch. 2 output (for Pch-MOSFET)
44
Ch. 6 source electrode of output stage
45
Ch. 6 output (for Nch-MOSFET)
46
Ch. 5 output (for Pch-MOSFET)
47
Ch. 5 source electrode of output stage
48
Power ground
I
Absolute maximum ratings
Item
Symbol
V
CC
I
OUT
I
OUT
V
ANA
V
LOG
Rating
Unit
Power supply voltage
20.0
V
Source peak current
–200
mA
Sink peak current
200
mA
Input voltage for analog input
–0.3 to +2.5
V
Input voltage for logic input
–0.3 to Vcc +0.5 (Vcc
≤
5.0V)
–0.3 to +5.5 (Vcc > 5.0V)
V
Total power dissipation
*
Junction temperature
P
d
T
J
T
OP
T
stg
550
mW
°
C
°
C
°
C
125
Ambient temperature
–20 to +85
Storage temperature
–40 to +150
I
Recommended operating conditions
Item
Symbol
V
CC
V
LOG
Min.
Max.
Unit
Power supply voltage
2.5
18.0
V
Input voltage for logic input
Vcc
≤
5.0
Vcc > 5.0
0.0
0.0
Vcc +0.25
5.25
V
Oscillation frequency
f
OSC
R
T
C
T
C
REF
50
1000
kHz
Oscillator timing resistor
6.8
100
k
pF
μ
F
Oscillator timing capacitor
22
1000
CREF terminal by-pass capacitor
0.01
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