AN8018 Panasonic Semiconductor, AN8018 Datasheet - Page 2

• Manufacturer Part Number: AN8018
• Description: 1.8-volt 2-channel step-up/ step-down/ or inverting DC-DC converter control IC
• Manufacturer: Panasonic Semiconductor

AN8018SA
2
Pin No. Symbol
IN 1 4
IN 1
IN 2
FB1
FB2
Block Diagram
Pin Descriptions
On/
1
2
3
4
5
6
7
off
Error amp. 2
15
5
3
13
14
Error amp. 1
S.C.P.
IN 1
IN 1
Out1
OSC
DT1
FB1
1.19 V
On/off
control
0.9 V
Pin for oscillation timing resistor
and capacitor connection
Pin for connecting the time constant set-
ting capacitor for short-circuit protection
Error amplifier 1 block noninverting
input pin
Error amplifier 1 block inverting input pin
Output pin of error amplifier 1 block
PWM1 block dead-time setting pin
Out1 block open-collector type
output pin
0.22 V
voltage source
S.C.P.
comp.
Description
Reference
V
REF
1.19 V
0.9 V
Unlatch1
V
Triangular wave
oscillation
REF
Unlatch2
U.V.L.O.
R
S
Latch
H
L
Pin No. Symbol
Q
10
11
12
13
14
15
16
8
9
0.2 V
0.9 V
GND
IN 2
Out2
V
RB2
DT2
FB2
V
V
Off
REF
CC
V
REF
REF
PWM1
Grounding pin
Power supply voltage application pin
Out2 block push-pull type output pin
Out2 block output source current
setting resistor connection pin
PWM2 block dead-time setting pin
Output pin of error amplifier 2 block
Error amplifier 2 block inverting input
pin
On/off control pin
Reference voltage output pin
PWM2
0.9 V
Voltage Regulators
Description
V
CC
11
10
7
8
Out1
RB2
Out2
GND