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FAN7556

Features: • Voltage 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/...

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SeekIC No. : 004340494 Detail

FAN7556: Features: • Voltage Mode Control• Pulse by Pulse Current Limiting• Low External Components• Under Voltage Lockout ( UVLO): 9V/15V• Stand-by Current: Typ. 100uA• P...

FAN7556 Data Sheet

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Part Number:
FAN7556
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

• Voltage 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 Current Protection (OCP)
• Over Voltage Protection (OVP)
• Wide Operating Frequency Range (20kHz ~ 500kHz)
• Auto-Restart Function


Application

• Off-Line & DC-DC Converter


Pinout

Connection Diagram


Specifications

Parameter Symbol Value Unit
Supply Voltage Vcc 30 V
Output Current IO ±1 A
Input Voltage to FB Pin VFB VSD V
Input Voltage to IS Pin VIS -0.3 to VOC V
Power Dissipation at TA <25°C
8-DIP
8-SOP		 PD 0.85
0.62		 W
Operating Temperature TOPR -25 to +125 °C
Storage Temperature TSTG -55 to +150 °C
Thermal Resistance, Junction-to-Air (Note1)
8-DIP
8-SOP		 Rja 147.1
201.6		 °C/W
Note: 1. Junction -to -air thermal resistance test environments.
          -. Pneumatic heat sink fixture.
          -. Clamping pressure 60psi through 12mm diameter cylinder.
          -. Thermal grease applied between PKG and heat sink fixture


Description

The FAN7556 is a fixed frequency voltage mode PWM controller. It is specially designed for off-line and DC-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 FAN7556 has various protection functions such as an over load protection (OLP), an over current protection(OCP), and an over voltage protection(OVP). The FAN7556 is available in the 8DIP package as well as the 8SOP package.




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