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參數(shù)資料
| 型號： | LA5681FN |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 520 kHz SWITCHING FREQ-MAX, QCC48 |
| 封裝： | 7 X 7 MM, VQFN-48 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大小： | 308K |
| 代理商： | LA5681FN |
LA5681FN
No.A0374-5/19
Pin Functions
Block
Pin No.
Pin name
Functions
30
STBY1
Standby input pin
31
IN1-
Error amplifier inverting input pin
32
FB1
Error amplifier output pin
33
CSOFT1
Soft start setting capacitance connection pin
28
CAPH1
Speedup capacitor connection pin for OUT1 pin OFF
27
CAPL1
Speedup capacitor connection pin for OUT1 pin OFF
ch1
21
OUT1
Output pin
34
STBY2
Standby input pin
35
IN2-
Error amplifier inverting input pin
36
FB2
Error amplifier output pin
37
CSOFT2
Soft start setting capacitance connection pin
26
CAPH2
Speedup capacitor connection pin for OUT2 pin OFF
25
CAPL2
Speedup capacitor connection pin for OUT2 pin OFF
ch2
19
OUT2
Output pin
38
STBY3
Standby input pin
39
IN3-
Error amplifier inverting input pin
40
FB3
Error amplifier output pin
41
CSOFT3
Soft start setting capacitance connection pin
ch3
17
OUT3
Output pin
42
STBY4
Standby input pin
43
IN4-
Error amplifier inverting input pin
44
FB4
Error amplifier output pin
45
CSOFT4
Soft start setting capacitance connection pin
ch4
16
OUT4
Output pin
46
STBY5
Standby input pin
47
IN5-
Error amplifier inverting input pin
48
FB5
Error amplifier output pin
1
CSOFT5
Soft start setting capacitance connection pin
ch5
15
OUT5
Output pin
2
STBY6
Standby input pin
3
IN6-
Error amplifier inverting input pin
4
FB6
Error amplifier output pin
5
CSOFT6
Soft start setting capacitance connection pin
ch6
14
OUT6
Output pin
12
CT1
Triangular wave frequency setting capacitance connection pin
11
CT2
Triangular wave frequency setting capacitance connection pin
OSC
9
RT
Triangular wave frequency setting resistance connection pin
7
CTL
Power control pin
23
SCP
Capacitance connection pin for short-circuit detection circuit
Control
13
OC
START-UP circuit (inside IC) drive pin
24
VCC
Supply voltage input pin
8
VBATT
Supply voltage input pin
22
VBIAS1
OUT1 drive supply voltage input pin
20
VBIAS2
OUT2 drive supply voltage input pin
10
VBIAS3
OUT3 to 6 drive supply voltage input pin
29
VREF
Reference voltage output pin
6
GND
GND pin
Power
18
VS
Output circuit GND pin
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