R2A20113DD 查看數據表（PDF） - Renesas Electronics
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R2A20113DD Datasheet PDF : 7 Pages
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R2A20113DD/SP
Block Diagram
VREF 4
VREF: 5V
UVLO
ON: 12V
OFF: 9.2V
27.5V
8 VCC
40k
CS 5
5p
RT 3
10p
Zero
Current
Detector
OCP COMP
–
+
–0.4V
SQ
RQ
Delay
Restart
SQ
RQ
Ramp Low
Detect
–
+
1V 0.2V
–
+
SQ
R
7 OUT
6 GND
GD Disable
OVP BLOCK
COMP
Discharge
FB
Error Amp
–
+
2.51V
1 FB
2 COMP
4.0V
GD Disable
Static OVP
+
–
FB
VFB × 1.09V/100mVhys
COMP
Discharge
Dynamic OVP
+
–
OVP BLOCK
–
+
FB open detect
VFB × 1.05V
0.5V/0.2Vhys
REJ03F0279-0100 Rev.1.00 Oct 10, 2008
Page 3 of 6
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