HA16654A Datasheet, PDF (9/15 Pages) Hitachi Semiconductor – PWM Controlled Switching Regulator

Characteristic Curves
HA16654A, HA16664A Series
Vref Output Voltage vs. Temperature
5.10
6.0
Ta = 25°C
5.0
Vref Rise Characteristics
5.00
4.0
3.0
4.90
2.0
1.0
4.80
–30
0
50
100
0
10
20
30
40
Ambient Temperature Ta (°C)
Input Voltage V_IN (V)
Quick Shutdown Time vs. Soft Start Capacitance
25
Ta = 25°C
20
15
10
Vref
5
HA16654A
or
13
kΩ
HA16664A
C_S
D.B
39 kΩ
0
20
40
60
80
100
Soft Start Capacitance C_S ( µ F)
Soft Start Time vs. Soft Start Capacitance
25
Ta = 25°C
20
15
10
Vref
5
HA16654A
or
13
kΩ
HA16664A
C_S
D.B
39 kΩ
0
20
40
60
80
100
Soft Start Capacitance C_S ( µ F)
9