HA17384SPS Datasheet, PDF (3/29 Pages) Hitachi Semiconductor – High Speed Current Mode PWM Control IC for Switching Power Supply

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
Product Lineup
Package
Additional Function
DILP8 (DP-8B)
HA17384SPS
HA17384HPS
HA17385HPS
SOP8 (FP-8DC)
HA17384SRP
HA17384HRP
HA17385HRP
TSD
(Thermal shut-down
protection)
–
OVP
(Over voltage
protection)
–
UVL Power Supply
Threshold Voltage
V_{TH UVL} (V) Typ V_{TL UVL} (V) Typ
16.0
10.0
8.4
7.6
Pin Arrangement
COMP ¹
FB ²
CS 3
R_T/C_T 4
8 _Vref
7 _VIN
6 OUT
5 GND
(Top view)
Pin Function
Pin No.
Symbol
Function
1
COMP
Error amplifier output pin
2
FB
Inverting input of error amp./OVP input pin
3
CS
Current sensing signal input pin
4
R_T/C_T
Timing resistance, timing capacitance connect pin
5
GND
Groung pin
6
OUT
PWM Pulse output pin
7
V_IN
Power supply voltage input pin
8
Vref
Reference voltage 5V output pin
Note: 1. Overvoltage protection (OVP) input is usable only for the HA17384H and HA17385H.
Note
1
Rev.3.00 Jun 15, 2005 page 3 of 28