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LD7535

Features: High-Voltage CMOS Process with Excellent ESD protectionVery Low Startup Current (<20A)Current Mode ControlNon-audible-noise Green Mode ControlUVLO (Under Voltage Lockout)LEB (Leading-Edge Blanking) on CS PinProgrammable Switching FrequencyInternal Slope CompensationOVP (Over Voltage P...

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SeekIC No. : 004393080 Detail

LD7535: Features: High-Voltage CMOS Process with Excellent ESD protectionVery Low Startup Current (<20A)Current Mode ControlNon-audible-noise Green Mode ControlUVLO (Under Voltage Lockout)LEB (Leading-Ed...

LD7535 Data Sheet

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Part Number:
LD7535
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:

High-Voltage CMOS Process with Excellent ESD protection
Very Low Startup Current (<20A)
Current Mode Control
Non-audible-noise Green Mode Control
UVLO (Under Voltage Lockout)
LEB (Leading-Edge Blanking) on CS Pin
Programmable Switching Frequency
Internal Slope Compensation
OVP (Over Voltage Protection) on Vcc Pin
OLP (Over Load Protection)
300mA Driving Capability


Application

Switching AC/DC Adaptor and Battery Charger
Open Frame Switching Power Supply
384X Replacement


Pinout

Connection Diagram


Specifications

Supply Voltage VCC.............................. 30V
COMP, RT, CS .................................-0.3 ~7V
Junction Temperature .............................150°C
Operating Ambient Temperature .......................-40°C to 85°C
Storage Temperature Range .........................-65°C to 150°C
Package Thermal Resistance ..........................250°C/W
Power Dissipation (SOT-26, at Ambient Temperature = 85°C) .........250mW
Power Dissipation (DIP-8, at Ambient Temperature = 85°C).......... 650mW
Lead temperature (SOT-26 & DIP-8, Soldering, 10sec) ............. 230°C
Lead temperature (All PB Free Packages, Soldering, 10sec) ...........260°C
ESD Voltage Protection, Human Body Model ...................3KV
ESD Voltage Protection, Machine Model .....................250V
Gate Output Current ..............................300mA


Description

The LD7535 is a low cost, low startup current, current mode PWM controller with green-mode power-saving operation. The integrated functions include the leading-edge blanking of the current sensing, internal slope compensation and the tiny package of SOT-26. It would provide the users a superior AC/DC power application of higher efficiency, low external component counts, and lower cost solution for applications.

In comparing with the previous generations like LD755X, the LD7535 features more or functions for the following characteristics ---
Add OLP (Over Load Protection) function to provide better protection performance for fault conditions like short circuit or over load.
Modify the OVP (Over Voltage Protection) mechanism from the cycle-by-cycle mode to the hiccup mode.




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