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Numéro de référence | BF1501-DA | ||
Description | Off Line AC/DC Switch IC | ||
Fabricant | BYD Microelectronics | ||
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BYD Microelectronics Co., Ltd.
BF1501-DA
Off Line AC/DC Switch IC
General Description
The BF1501-DA switcher ICs cost effectively
replace all power supplies up to 5W output power
based on unregulated isolated linear transformer
(50/60HZ). Unlike conventional PWM (pulse width
modulation) controllers, they regulate the output
voltage in a new method of off-time modulation
control. The controller consists of a VCO (voltage
control oscillator), Sense and logic circuit, VDD pin,
under-voltage lockout circuit, protection for
over-voltage, current limited circuit, leading edge
blanking, over load protection and fault condition
auto-restart. They are ideal low power AC/DC
adapter/charger solution for portable devices.
Applications
AC/DC adapter/charger for cell/cordless
phones, digital cameras, MP3/portable audio
devices etc
LED Lighting
Replacements for linear transformers and
RCC SMTPS
Features
Low start-up current
z Typ.15 µA
z Max.25 µA
Low operating current
z Typ.2 mA
z Max.5 mA
UVLO(under voltage lockout)
z Typ.12V start-up
z Typ.6V shut-down
LEB(leading edge blanking)
z Typ.300ns
OVP(over voltage protection)
z Typ.28 V
Operation Frequency
z Typ.50KHZ(VDD=21V)
Output Driver Ability
z Typ.15 mA
OLP(over load protection)
Universal AC input range
Constant voltage and constant current
Small SOT-23-6 Package
Typical application
Datasheet
TS-POM-PD-0003 Rev.A/1
Page 1 of 8
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Pages | Pages 8 | ||
Télécharger | [ BF1501-DA ] |
No | Description détaillée | Fabricant |
BF1501-DA | Off Line AC/DC Switch IC | BYD Microelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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