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FAN7554 Datasheet

  • FAN7554

  • Versatile PWM Controller

  • 1008.30KB

  • 22頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
FAN7554
Versatile PWM Controller
Features
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Current Mode Control
Pulse by Pulse Current Limiting
Low External Components
Under Voltage Lockout(UVLO): 9V/15V
Stand-by Current: Typ. 100uA
Power Saving Mode Current: Typ. 200uA
Operating Current: Typ. 7mA
Soft Start
On/Off Control
Over Load Protection(OLP)
Over Voltage Protection(OVP)
Over Current Protection(OCP)
Over Current Limit(OCL)
Operating Frequency up to 500kHz
1A Totem-Pole Output Current
Description
The FAN7554 is a fixed frequency current mode PWM
controller. It is specially designed for off-line and DC to DC
converter applications with minimal external components.
These integrated circuits feature a trimmed oscillator for
precise duty cycle control, a temperature compensated
reference, an ON/OFF control, a high gain error amplifier, a
current sensing comparator, and a high current totem-pole
output. The FAN7554 has various protection functions such
as an over load protection, an over current protection, and
the over voltage protection, which include built-in auto
restart circuit. The FAN7554 is available in the 8-DIP
package as well as the 8-SOP package.
8-DIP
Applications
鈥?Off-Line & DC-DC Converter
8-SOP
1
1
Rev. 1.0.2
漏2002 Fairchild Semiconductor Corporation

FAN7554 產(chǎn)品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流模式

  • 1

  • 500kHz

  • 98%

  • 9 V ~ 30 V

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • -25°C ~ 85°C

  • 8-DIP(0.300",7.62mm)

  • 管件

  • FAN7554_NLFAN7554_NL-ND

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