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HA17384SPS Datasheet(PDF) 4 Page - Hitachi Semiconductor

Part No. HA17384SPS
Description  High Speed Current Mode PWM Control IC for Switching Power Supply
Download  31 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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HA17384SPS 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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