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AN8016NSH Datasheet(Fiches technique) 1 Page - Panasonic Semiconductor

Numéro de pièce AN8016NSH
Description  Single-channel 1.8-volt step-up DC-DC converter control IC
Télécharger  17 Pages
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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Voltage Regulators
1
AN8016NSH
Single-channel 1.8-volt step-up DC-DC converter control IC
s Overview
The AN8016NSH is a single-channel PWM DC-DC
converter control IC that supports low-voltage operation.
This IC allows a stepped-up voltage output to be pro-
vided with a minimal number of external components. It
features a low minimum operating voltage of 1.8 V, and
due to being provided in a 10-pin surface mount package
with a 0.5 mm lead pitch, is optimal for use in miniature
high-efficiency power supplies for portable equipment.
s Features
• Wide operating supply voltage range: 1.8 V to 14 V
• High-precision reference voltage circuit: 1.27 V (allow-
ance:
± 3%)
• Supports control over a wide output frequency range:
20 kHz to 1 MHz
• Provides a fixed output current with minimal supply voltage fluctuations by using an external resistor to set the output
current with a totem pole structure in the output block.
• Large maximum output current of ± 50 mA
• Timer latch short-circuit protection circuit (charge current: 1.3 µA typical)
• Low input voltage malfunction prevention circuit (U.V.L.O.) (circuit operation start voltage: 1.6 V typical)
• On/off control function (active-high, standby current: 5 µA maximum)
• Fixed maximum duty ratio with small sample-to-sample variations (80% ± 5%)
• Adjustable soft start time provided by using separate DTC and S.C.P. pins.
• Adopts a 0.5 mm lead pitch 10 pin SO flat package (SSONF-10D)
• Adopts techniques for reducing noise, increasing the light load efficiency, and suppressing the maximum base current
when turning on the npn transistor used as the external switching element.
s Applications
• LCD displays, digital still cameras, PDAs
SSOP010-P-0225
Unit: mm
4.3
±0.30
6.3
±0.30
0.5
±0.2
1
5
10
6




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