參數(shù)資料
型號: L6717
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48
封裝: 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFPN-48
文件頁數(shù): 45/56頁
文件大小: 1081K
代理商: L6717
L6717
Typical application circuit and block diagram
Doc ID 17326 Rev 1
5/56
Figure 2.
Typical 3+1 application circuit
HS1
LS1
L1
CHF
CBULK_IN
ST L6717 (3+1) Reference Schematic
HS2
LS2
L2
CHF
COUT
PWM3
28
CS1P
15
CS1N
16
CS2P
17
CS3N
20
CS3P
19
CMLCC
COUT_NB
CMLCC_NB
PVI / SVID AM2 CPU
NB
CORE
LIN
9
NB_FB
NB_COMP
10
FB
5
COMP
4
OSC / EN / FLT
14
VID1 / CORE_TYPE
33
VID3 / SVC
31
VID4 / I2C_DIS
30
VID5 / ADDRESS
29
PVI / SVID Bus
GND_P
AD
VCC
2
VID2 / SVD
32
ST
L6717
Hybrid
PVID
/
SVID
Contr
oller
CF
RF
RFB
CF_NB RF_NB
RFB_NB
RG
R
C
R
C
R
C
BOOT
PWM
GND
LGATE
UGATE
VCC
L674
3
B
PHASE
34
1
35
VID0 / VFIX
PWROK
PWRGOOD
CLTB
RLTB
8
LTB
HS3
LS3
L3
PWM4
27
CS4N
22
CS4P
21
RG
18
CHF
HS_NB
LS_NB
L_NB
CHF
23
R_NB
C_NB
RG_NB
24
CS2N
NB_CSP
NB_CSN
UGATE1
47
PHASE1
46
LGATE1
45
UGATE2
40
PHASE2
41
LGATE2
44
NB_UGATE
37
NB_PHASE
38
NB_LGATE
43
6
VSEN
7
FBG
NB_V
S
EN
11
NB_FBG
12
VCCDR
V
42
SDA / OVP
25
SCL / OS
26
NB_BOOT
36
BOOT1
48
BOOT2
39
49
S
GND
3.3V
3
SVI/PVI Interface
CHF
Power Manager I2C
CHF
VIN
ILIM
EN
CI
RI
C
14
R OSC
R ILIM
C ILIM
5V SBY
Q_EN
EN
13
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