HA16654A HITACHI [Hitachi Semiconductor], HA16654A Datasheet - Page 3

• Manufacturer Part Number: HA16654A
• Description: PWM Controlled Switching Regulator
• Manufacturer: HITACHI [Hitachi Semiconductor]

Block Diagram
Vref
V
R
C
IN
T
T
2
1
3
4
Reference
Regulator
To internal
circuitry
Oscillator
To under
voltage
lockout
DB
OUT
Figure 1 Waveform Timing
C
T
Under Voltage
Lockout
(Hysteresis Type)
ERROR
INPUT
DB
To Vref
7
8
EI
PWM
Compa-
rator
HA16654A, HA16664A Series
Output Stage
V
IN
5
6
GND
OUT
3