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AN8049SH Datasheet(Fiches technique) 2 Page - Panasonic Semiconductor

Numéro de pièce AN8049SH
Description  1.8-volt 3-channel step-up, step-down, and polarity inverting DC-DC converter control IC
Télécharger  28 Pages
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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AN8049SH
Voltage Regulators
2
s Block Diagram
20 k
1.26 V
CTL3
DT3
IN
−3 19
IN
+3
FB3
20
S.C.P.
RB1
OUT1
OUT3
RB2
OUT2
GND
1
18
5
2
1.26 V
Error
amplifier 3
1.26 V
1.26 V
1.1
µA
1.1
µA
1.1
µA
0.9 V
Error
amplifier 1
Error
amplifier 2
VREF
VCC
55 k
VCC
On/off
control
Reference voltage
supply
VREF
Sawtooth wave generator
0.7 V
0.3 V
1.26 V
(Allowance:
±1%)
S.C.P. comp.
Latch
U.V.L.O.
R
S
Q
1.26 V
1.26 V
20 k
PWM2
PWM3
PWM1
VREF
45 k
55 k
11
12
VCC
13
10
15
14
s Pin Descriptions
Pin No.
Symbol
Description
12
OUT1
OUT1 block push-pull output
13
OUT2
OUT2 block push-pull output
14
GND
Ground
15
OUT3
OUT3 block open-collector output
16
VCC
Supply voltage
17
OSC
Oscillator circuit timing resistor and
capacitor connection
18
IN
+3
Error amplifier 3 noninverting input
19
IN
−3
Error amplifier 3 inverting input
20
FB3
Error amplifier 3 output
21
IN
−2
Error amplifier 2 inverting input
22
FB2
Error amplifier 2 output
23
IN
−1
Error amplifier 1 inverting input
24
FB1
Error amplifier 1 output
Pin No.
Symbol
Description
1
S.C.P.
Connection for the capacitor
that provides the short-
circuit protection circuit time
constant
2
DT3
Channel 3 soft start setting
3
DT2
Channel 2 soft start setting
4
DT1
Channel 1 soft start setting
5
CTL3
Channel 3 on/off control
6
CTL2
Channel 2 on/off control
7
CTL1
Channel 1 on/off control
8
Off
On/off control
9VREF
Reference voltage output
10
RB2
Connection for the OUT2
block output source current
setting resistor
11
RB1
Connection for the OUT1
block output source current
setting resistor




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Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
AN8049FHN1.8-volt 3-channel step-up step-down and polarity inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8018SA1.8-volt 2-channel step-up step-down or inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8011S2-channel step-down step-up or inverting use DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8014SStep-down step-up or inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8015SHSingle-channel step-down step-up or inverting use DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8016NSHSingle-channel 1.8-volt step-up DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8017SA1.8-volt 2-channel step-up DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8013SHSingle-channel step-up or step-down DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AZ340630.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER 1 2 3 4 5 MoreList of Unclassifed Manufacturers
AZ34063A1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER 1 2 3 4 5 MoreList of Unclassifed Manufacturers

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