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): 54/56頁
文件大?。?/td> 1081K
代理商: L6717
L6717
Typical application circuit and block diagram
Doc ID 17326 Rev 1
7/56
1.2
Block diagram
Figure 4.
Block diagram
NB_CS+
DUAL CHANNEL
OSCILLATOR (4+1)
L6717
CONTR
OL
LOGIC
AND
I2C
MANA
GEMENT
CURRENT
BALANCE
AMD
S
VI
/
PVI
FLEXIBLE
INTERF
A
C
E
C
S
2+
VID4 / I2CDIS
VID5 / ADDR
OSC / EN
PWROK
PWRGOOD
VCORE_REF
COMP
VSEN
FBG
ERR
OR
AMPLIFIER
FB
VCC
C
S
1-
S
GND
C
S
1+
IDROOP
NB_PWM
64k
REMO
TE
B
UFFER
NB_REF
NB_COMP
NB_V
S
EN
NB_FBG
ERROR
AMPLIFIER
NB_FB
64k
REMOTE
BUFFER
DIFFERENTIAL
CURRENT SENSE
OUTPUT
V
O
LT
A
GE
MONIT
OR
AND
PR
O
TECTION
MANA
GEMENT
NB
CURR
S
EN
S
E
PWM2
PWM1
Σ
C
S
2-
C
S3
+
C
S3
-
C
S
4+
C
S
4-
BOO
T1
LGA
TE1
PWM
3
PWM4
VCC
S
GND
INB_DR
OOP
(from
S
VI/PVI
decoding)
CORE_REF
&
NB_REF
ILIM
C
S
1-
VID2 / SVD
VID3 / SVC
VID0 / V_FIX
VID1 / CORE_TYPE
ILIM
SDA / OVP
SCL / OS
BOO
T1
UGA
TE1
PHA
S
E1
LGA
TE1
BOO
T2
UGA
TE2
PHA
S
E2
LGA
TE2
UGA
TE1
PHA
S
E1
BOO
T2
UGA
TE2
PHA
S
E2
LGA
TE2
EMBEDDED DRIVER
CORE PHASE #1
EMBEDDED DRIVER
CORE PHASE #2
LTB
T
echnology
MODULA
T
O
R
NB_CS-
NB_BOO
T
NB_UGA
TE
NB_PHA
S
E
NB_LGA
TE
EMBEDDED DRIVER
CORE NB PHASE
NB_LGA
TE
NB_BOO
T
NB_UGA
TE
NB_PHA
S
E
VCCDR
GND_PAD
VCCDR
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