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SRP Datasheet(PDF) 4 Page - Hitachi Semiconductor

Part # SRP
Description  High Speed Current Mode PWM Control IC for Switching Power Supply
PDF  31 Pages
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Manufacturer  HITACHI [Hitachi Semiconductor]
Direct Link  http://www.renesas.com/eng
Logo HITACHI - Hitachi Semiconductor

SRP Datasheet(HTML) 4 Page - Hitachi Semiconductor

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HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
4
Block Diagram
Oscillator
Totem pole
output circuit
Note: 1. Blocks with bold line are not included in HA17384SPS/SRP.
0.8mA
EA
−
+
OVP
−
+
CS
−
+
7.0V
UVL1
H
L
VL VH
UVL2
Vref > 4.7V
R
Q
S
6.5V
1
2
Vref
(2.5V)
*
1
2VF
160
°C
2R
R
1V
R
S
Q
PWM LOGIC
Vref
NOR
8.4 mA
1.2V
+
−
OR
34V
1
2
3
4
8
7
6
COMP
FB
(OVP input)
CS
RT/CT
Vref
VIN
OUT
5
GND
2.8 V
OUT
5V band
gap
reference
regulator
OVP
latch
TSD
sense
CS
latch
Latch set
pulse



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