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AP1580S

Features: • Input Voltage: 10V to 40V• Adjustable Output Voltage from 0.8V to 0.9Vcc• Duty Ratio: 0% to 90% PWM control• Oscillation Frequency: 300KHz typical• Short Circuit Protect Frequency: 30 KHz• 2uA Maximum Standby Current• Current Limit, Enable Func...

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SeekIC No. : 004286188 Detail

AP1580S: Features: • Input Voltage: 10V to 40V• Adjustable Output Voltage from 0.8V to 0.9Vcc• Duty Ratio: 0% to 90% PWM control• Oscillation Frequency: 300KHz typical• Short Ci...

AP1580S Data Sheet

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Part Number:
AP1580S
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:

• Input Voltage: 10V to 40V
• Adjustable Output Voltage from 0.8V to 0.9Vcc
• Duty Ratio: 0% to 90% PWM control
• Oscillation Frequency: 300KHz typical
• Short Circuit Protect Frequency: 30 KHz
• 2uA Maximum Standby Current
• Current Limit, Enable Function
• Thermal Shutdown Function
• Built-in Internal SW N-channel MOS
• Lead Free Finish/RoHS Compliant for Lead Free
  products (Note 1)
• Lead-Free Package: SOP-8L


Application

• Microprocessor Core Supply
• Networking Power Supply
• LCD MNT, TV Power Supply
• Telecom Power Supply


Pinout

Connection Diagram


Specifications

Symbol Parameter Rating Unit
VCC VCC Pin Voltage Vss - 0.3 to Vss + 45 V
VFB Feedback Pin Voltage Vss - 0.3 to Vcc V
VEN EN Pin Voltage Vss - 0.3 to Vcc + 0.3 V
Vvoost Vboost Pin Voltage VOUTPUT + 5V V
PD Power Dissipation Internally limited mW
TOP Operating Temperature Range -25 to +125 °C
TSTG Storage Temperature Range -40 to +150 °C



Description

AP1580S consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier and internal NMOS.

AP1580S provides low-ripple power, high efficiency and excellent transient characteristics. The PWM control circuit is able to vary the duty ratio linearly from 0 up to 90%. An enable function, an over current protect function and a short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 300 KHz to 30 KHz. Also, an internal compensation block is built to minimize external component count. With built-in power NMOS, a step-down switching regulator is easy to be built by adding a coil, capacitors and a diode.

The high efficiency (>90%), low standby current, high input voltage (40V) and output current (3A) combining with small SOP-8L package give AP1580S unprecedented advantage in high power system applications.




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