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AN8017SA Datasheet(Arkusz danych) 2 Page - Panasonic Semiconductor

Numer części AN8017SA
Szczegółowy opis  1.8-volt 2-channel step-up DC-DC converter control IC
Pobierz  25 Pages
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Producent  PANASONIC [Panasonic Semiconductor]
Strona internetowa  http://www.panasonic.com/industrial/
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AN8017SA
Voltage Regulators
2
s Pin Descriptions
s Block Diagram
RB1
6
Out1
7
GND
8
Off
15
IN
+2
14
FB2
13
1.19 V
H
L
FB1
4
IN
−1
3
U.V.L.O.
Error amp.1
Error
amp.2
S.C.P.
comp.
VREF
Unlatch2
Unlatch1
Q
R
S
Triangular wave
oscillation
Reference
voltage source
VREF
On/off
control
Latch
VCC
1.19 V
1.19 V
0.9 V
0.9 V
VCC
PWM1
0.9 V
0.22 V
0.2 V
0.9 V
VREF
VREF
RB2
11
Out2
10
PWM2
Pin No. Symbol
Description
1
OSC
Pin for connecting a oscillation timing
resistor and capacitor
2
S.C.P.
Pin for connecting the time constant set-
ting capacitor for short-circuit protection
3IN
−1
Inverting input pin to error amplifier
1 block
4
FB1
Output pin of error amplifier 1 block
5
DT1
PWM1 block dead-time setting pin
6
RB1
Out1 block output source current
setting resistor connection pin
7
Out1
Out1 block push-pull type output pin
Pin No. Symbol
Description
8
GND
Grounding pin
9VCC
Power supply voltage application pin
10
Out2
Out2 block push-pull type output pin
11
RB2
Out2 block output source current
setting resistor connection pin
12
DT2
PWM2 block dead-time setting pin
13
FB2
Output pin of error amplifier 2 block
14
IN
+2
Error amplifier 2 block noninverting
input pin
15
Off
On/off control pin
16
VREF
Reference voltage output pin




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