參數(shù)資料
型號: LV8743V
元件分類: 穩(wěn)壓器
英文描述: 0.8 A SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO44
封裝: 0.275 INCH, SSOP-44
文件頁數(shù): 19/21頁
文件大?。?/td> 268K
代理商: LV8743V
LV8743V
No.A0612-7/21
Pin Functions
Pin No.
Pin
Description
11
VMM
Driver output system power supply
14
OUT1A
Driver channel 1 OUTA output pin
12
OUT1B
Driver channel 1 OUTB output pin
13
RNF1
Driver channel 1 current sensing resistor connection
10
OUT2A
Driver channel 2 OUTA output pin
8
OUT2B
Driver channel 2 OUTB output pin
9
RNF2
Driver channel 2 current sensing resistor connection
6
PGND1
Driver output system ground
21
VREF1
Driver output current setting reference voltage input
23
I01
24
I11
Driver channel 1 output current setting input
25
PHA1
Driver channel 1 output phase switching input
22
CR1
Driver channel 1 off time setting RC circuit connection
4
I02
3
I12
Driver channel 2 output current setting input
2
PHA2
Driver channel 2 output phase switching input
1
CR2
Driver channel 2 off time setting RC circuit connection
26
MD
Driver system mixed decay setting
5
PS
Driver system enable input
20
VCC
Control system power supply
44
GND
Ground
41
VMSW
Switching regulator control system power supply
27
VREGS
Regulator system reference voltage output
33
NON3
Regulator system error amplifier 3 noninverting input
36
INV3
Regulator system error amplifier 3 inverting input
35
FB3
Regulator system error amplifier 3 output
34
DT3
Regulator system output 3 maximum duty setting
42
OUT3
Output 3
37
NON4
Regulator system error amplifier 4 noninverting input
40
INV4
Regulator system error amplifier 4 inverting input
39
FB4
Regulator system error amplifier 4 output
38
DT4
Regulator system output 4 maximum duty setting
43
OUT4
Output 4
28
CT
Regulator system external timing capacitor connection
29
RT
Regulator system external timing resistor connection
32
SOFT
Soft startup setting
31
SCP
Regulator system timer/latch setting
17
VM
Power supply
15
PGND2
Power system ground
16
VG
Charge pump capacitor connection
19
CP1
Charge pump capacitor connection
18
CP2
Charge pump capacitor connection
30
CREG
Internal power supply stabilization capacitor connection
7
GND
Ground
相關PDF資料
PDF描述
LV8743V 0.8 A SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO44
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