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PM6675STR bảng dữ liệu(PDF) 18 Page - STMicroelectronics

tên linh kiện PM6675STR
Giải thích chi tiết về linh kiện  High efficiency step-down controller with embedded 2 A LDO regulator
PDF  53 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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PM6675STR bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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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
LEN
LILIM
UVLO
SWEN
SWEN
Vr
Ton
Toff
1-shot
1-shot
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
min
+
-
+
-
Vr +10
%
Vr -10
%
0.6V
+
_
Ton
Anti Cross
Conduction
LILIM
LGND
LDS
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
LEN
LILIM
UVLO
SWEN
SWEN
Vr
Ton
Toff
1-shot
1-shot
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
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
LEN
LILIM
UVLO
SWEN
SWEN
Vr
Ton
Toff
1-shot
1-shot
1-shot
fix
adj
UVP/OVP
Thermal Shutdown
min
min
+
-
+
-
Vr +10
%
Vr -10
%
0.6V
+
_
Ton
Anti Cross
Conduction
LILIM
LGND
LDS
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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