HA16108FP HITACHI [Hitachi Semiconductor], HA16108FP Datasheet - Page 5

• Manufacturer Part Number: HA16108FP
• Description: PWM Switching Regulator for High-performance Voltage Mode Control
• Manufacturer: HITACHI [Hitachi Semiconductor]

Block Diagram
Note: Dotted lines apply to the SOP package model (pins 4, 5, and 13: ground)
HA16107P/FP
HA16108P/FP
ON/OFF
V
V
TL
16
16
+ +
+ +
IN
1
1
IN
QCLM
QCLM
16 A
4 A
16 A
4 A
V
V
PWM Comparator
PWM Comparator
140 A
140 A
C
C
OUT
OUT
OUT
OUT
E/O
E/O
15
15
2
2
On/Off latch
Pulse-by-pulse latch
Pulse-by-pulse latch
(V
On/Off latch
(V
H
H
L
L
TH
V
V
TH
UVL1
UVL1
E
E
EA
R
S
EA
R
S
V
V
= 7 V)
Q
Q
Q
Q
= 7 V)
L
L
Q
Q
+
+
V
V
R
S
CL (+)
R
S
CL (+)
IN ( )
IN ( )
H
H
14
14
Error amp.
Error amp.
3
3
zener type
zener type
voltage
UVL1 and UVL2
voltage
UVL1 and UVL2
6.45 V
6.45 V
Gen.
Gen.
Ref.
Ref.
Triangle waveform
Triangle waveform
13
V
NC
NC
V
13
Vref
4
4
Vref
E
E
Current
limiter
Current
limiter
O
O
V
P
V
P
UVL1
UVL1
ST
ST
V
V
IN
IN
CL ( )
CL ( )
GND
H
L
GND
H
L
12
12
5
5
UVL2
UVL2
4 V 5 V
4 V 5 V
HA16107P/FP, HA16108P/FP
Triangle waveform OSC
Triangle waveform OSC
Triangle waveform
Triangle waveform
Latch reset pulse
Latch reset pulse
ON duty pulse
ON duty pulse
34 V
34 V
IN (+)
IN (+)
R
R
11
11
6
6
T1
T1
Vref
Vref
UVL2
UVL2
C
ST
C
10
10
ST
7
7
T
T
3.4 V 10 A
3.4 V 10 A
R
Vref
Vref
R
9
8
9
8
T2
T2
5