参数资料
型号: PM6675STR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, QCC24
封装: 4 X 4 MM, LEAD FREE, VFQFPN-24
文件页数: 10/53页
文件大小: 2632K
代理商: PM6675STR
Block diagram
PM6675S
18/53
6
Block diagram
Figure 31.
Functional and block diagram
LOUT
LIN
LPG
VCC
AVCC
SGND
VSEL
LEN
SWEN
CSNS
HGATE
LGATE
PHASE
BOOT
PGND
NOSKIP
VREF
VSNS
LFB
VOSC
COMP
CONTROL LOGIC
Zero Crossing
& Current
Limit
SPG
Vr -10
%
Vr +10
%
+
-
+
-
gm
+
_
Vr
+
_
VREF
Level
shifter
1.236V
Bandgap
Vr = 0.6V
SDS
LDS
LEN
LILIM
UVLO
SWEN
Vr
Ton
Toff
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
+
-
+
-
Vr +10
%
Vr -10
%
0.6V
+
_
Ton
Anti Cross
Conduction
LILIM
LGND
LDS
LOUT
LIN
LPG
VCC
AVCC
SGND
VSEL
LEN
SWEN
CSNS
HGATE
LGATE
PHASE
BOOT
PGND
NOSKIP
VREF
VSNS
LFB
VOSC
COMP
CONTROL LOGIC
Zero Crossing
& Current
Limit
SPG
Vr -10
%
Vr +10
%
+
-
+
-
gm
+
_
Vr
+
_
VREF
Level
shifter
1.236V
Bandgap
Vr = 0.6V
SDS
LDS
LEN
LILIM
UVLO
SWEN
Vr
Ton
Toff
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
+
-
+
-
Vr +10
%
Vr -10
%
0.6V
+
_
Ton
Anti Cross
Conduction
LOUT
LIN
LPG
VCC
AVCC
SGND
VSEL
LEN
SWEN
CSNS
HGATE
LGATE
PHASE
BOOT
PGND
NOSKIP
VREF
VSNS
LFB
VOSC
COMP
CONTROL LOGIC
Zero Crossing
& Current
Limit
SPG
Vr -10
%
Vr +10
%
+
-
+
-
gm
+
_
Vr
+
_
VREF
Level
shifter
1.236V
Bandgap
Vr = 0.6V
SDS
LDS
LEN
LILIM
UVLO
SWEN
Vr
Ton
Toff
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
+
-
+
-
Vr +10
%
Vr -10
%
0.6V
+
_
Ton
Anti Cross
Conduction
LILIM
LGND
LDS
Table 7.
Legend
SWEN
Switching controller enable
LEN
LDO regulator enable
LDS
LDO output discharge enable
SDS
Switching output discharge enable
LILIM
LDO regulator current limit
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