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AN8049SH Datasheet(Fiches technique) 1 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
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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Voltage Regulators
1
AN8049SH
1.8-volt 3-channel step-up, step-down, and polarity inverting
DC-DC converter control IC
s Overview
The AN8049SH is a three-channel PWM DC-DC
converter control IC that features low-voltage operation.
This IC can form a power supply that provides two step-
up outputs and one step-down or polarity inverted output
with a minimal number of external components. The
AN8049SH features the ability to operate from a supply
voltage as low as 1.8 V, and thus can be operated from
two dry-batteries.
s Features
• Wide operating supply voltage range: 1.8 V to 14 V
• High-precision reference voltage circuit
—VREF pin voltage: ±1%
— Error amplifier:
±1.5%
• Surface mounting package for miniaturized and thinner power supplies
Package: SSOP-24D
0.5-mm lead pitch
7.8 mm
× 6.8 mm × t 1.9 mm
• Supports control over a wide output frequency range: 20 kHz to 1 MHz
• On/off (sequence control) pins provided for each channel for easy sequence control setup
• The negative supply error amplifier supports 0-volt input.
Common-mode input voltage range:
− 0.1 V to V
CC −1.4 V
This allows the number of external components to be reduced by two resistors.
• Fixed duty factor: 86%
However, the duty can be adjusted to anywhere from 0% to 100% with an external resistor.
• Timer latch short-circuit protection circuit (charge current: 1.1 µA typical)
• Low input voltage malfunction prevention circuit (U.V.L.O.) (operation start voltage: 1.67 V typical)
• Standby function (active-high control input, standby mode current: 1 µA maximum)
• Alternate package versions also available.
Part No.: AN8049FHN
Package: QFN-24
0.5-mm lead pitch
5.4 mm
× 4.4 mm × t 0.8 mm
s Applications
• Electronic equipment that requires a power supply system
SSOP024-P-0300A
Unit : mm
6.5±0.3
112
24
13
0.50
(0.50)
Seating plane
Seating plane
0.2±0.1
(0.50)
0
° to 10°




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Datasheet Download



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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