HA16666P Datasheet, PDF (3/15 Pages) Hitachi Semiconductor – 600kHz PWM Controlled Switching Regulator

Pin Arrangement
HA16666P/FP
Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
E/I 1
ST 2
C_T 3
R_T1 4
R_T2 5
OSC Out 6
GND ₇
N.C 8
16 N.INV ⁺
15 INV ^–
14 CS
13 Vref
12 V_IN
11 RM
10 OUT
9 N.C
(Top View)
Symbol
E/I
ST
C_T
R_T1
R_T2
OSC Out
GND
N.C
N.C
OUT
RM
V_IN
Vref
CS
INV^–
N.INV⁺
Descreption
Error input
Soft start
Timing capacitance
Timing resistor (rise section)
Timing resistor (fall section)
Triangular waveform oscillator
Ground
No connect
No connect
Pulse output
Remote control
Power supply voltage
Reference voltage (5 V) output
Comparator input (–) with reference voltage (1.3 V)
Comparator input (–) for overcurrent protection
Comparator input (+) for overcurrent protection
3