R2A20115SP Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
R2A20115SP Datasheet PDF : 10 Pages
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R2A20115SP
System Diagram
Rec+
Rec–
150 μH
T1
Q1
From OUT
B+
470μF
×2
(450V)
24V
4.7μ
680k
To FB
from
auxiliary
680k
VRB1
B+ OUT
(385V dc)
GND
68k RT
9
VREF
CT
10
390p
3.6V
0.65V
VCC
16
27.5V
10.4V
H
UVLO
L 8.9V
DELAY Shut down
5V VREF
Generator
5V Internal Bias
VREF
6
0.1μ
VREF In
GOOD Out
UVL
VREF CAO
6800p 2.2k
7
470p
2M IAC
12
915k
1000p
CAI 5
2.4k
VREF
22k 100
CLIMIT
1.5k
8
0.0165
(5W)
100p
4
2.4k CGND
110k EO
0.33μ
14
51k
1μ 47k
0.1μ
FB
13
From
VRB1(B+ monitor1)
720k
PFC-ON
11
1μ
14k
Multiplier
CAMP
Logic
VREF
SS
CLIMIT
2.48V
VAMP
EO
Discharge
OVP Block
OUT
Disable
FB
0.52V
0.1μ
0.81V
0.79V
AC-Det
Gate Driver
+/– 1.0A (PEAK)
1
To
Q1 gate
OUT
VREF
VREF
28μA
15
0.47μ
SS
GND
2
Circuit Ground
DELAY
3
0.22μ
REJ03D0923-0100 Rev.1.00 Oct 06, 2009
Page 2 of 7
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