KA5H0165R

Current-mode regulator
6,676 有效庫存

KA5H0165R

有效庫存6,676

Current-mode regulator

  • 製造商零件號 # : KA5H0165R

  • 包裝/封裝: TO-220

  • 製造商: FAIRCHILD

  • 產品分類 : AC DC Converters, Offline Switches

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例子

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KA5H0165R 數據表
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詳細說明

The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed oscillator, under voltage lock out, leading edge blanking, optimized gate turn-on/ turn-off driver, thermal shut down protection, over voltage protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry compared to discrete MOSFET and controller or RCC switching converter solution, The Fairchild Power Switch(FPS) can reduce total component count, design size, weight and at the same time increase efficiency, productivity, and system reliability. It is well suited for cost effective design of flyback converters.Features • Precision Fixed Operating Frequency (100/67/50kHz ) • Low Start-up Current (Typ. 100uA) • Pulse by Pulse Current Limiting • Over Load Protection • Over Voltage Protection (Min. 25V) - except KA5H0165RVN • Internal Thermal Shutdown Function • Under Voltage Lockout • Internal High Voltage Sense FET • Auto-Restart Mode

主要特徵

  • Precision Fixed Operating Frequency (100/67/50kHz )
  • Low Start-up Current (Typ. 100uA)
  • Pulse by Pulse Current Limiting
  • Over Load Protection
  • Over Voltage Protection (Min. 25V)
  • - except KA5H0165RVN
  • Internal Thermal Shutdown Function
  • Under Voltage Lockout
  • Internal High Voltage Sense FET
  • Auto-Restart Mode

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Rohs Code Yes Part Life Cycle Code Obsolete
Part Package Code TO-220F Pin Count ! 3
Reach Compliance Code ECCN Code EAR99
HTS Code ! 8541.29.00.95 Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 30 V JESD-30 Code R-PSFM-T4
Number of Functions 1 Number of Terminals 4
Operating Temperature-Max 85 °C Operating Temperature-Min -25 °C
Output Current-Max 0.67 A Package Body Material PLASTIC/EPOXY
Package Equivalence Code SIP4,.1TB Package Shape RECTANGULAR
Package Style FLANGE MOUNT Peak Reflow Temperature (Cel) NOT SPECIFIED
Qualification Status ! Not Qualified Surface Mount ! NO
Switcher Configuration BUCK Switching Frequency-Max 100 kHz
Temperature Grade ! OTHER Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 2.54 mm Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 KA5H0165R PDF 下載

常見問題解答

What is KA5H0165R?

The KA5H0165R is a power switch IC designed by Fairchild Semiconductor. It is specifically designed for offline power supplies and provides high efficiency, low standby power, and overvoltage protection, making it suitable for a wide range of consumer and industrial applications.

How Does KA5H0165R Work?

The KA5H0165R operates as a power switch in offline power supply applications. It integrates a power MOSFET, a PWM controller, and overvoltage protection circuitry to regulate and protect the power supply. It features a built-in startup source and a jitter frequency modulation for improved EMI performance.

How Many Pins does KA5H0165R have and What are the Functions of the Pinout Configuration?

The KA5H0165R is housed in a 7-pin TO-220F package. The pinout configuration includes:

  • 1. Drain (D): The high-voltage power MOSFET drain pin.
  • 2. Source (S): The high-voltage power MOSFET source pin.
  • 3. GATE (G): The high-voltage power MOSFET gate pin.
  • 4. VFB (Voltage FeedBack): The feedback pin connected to the secondary side of the power supply transformer.
  • 5. GND: The ground pin connected to the low-voltage side and control circuitry.
  • 6. VCC: The supply voltage pin for the control circuitry.
  • 7. Sense FET Source: The pin for sensing the current flow in the power switch.

What are the Pros and Cons of KA5H0165R?

Pros:

  • High Efficiency: Provides high power conversion efficiency for energy-saving applications.
  • Integrated Protection: Includes overvoltage protection for enhanced system reliability and safety.
  • Low Standby Power: Minimizes standby power consumption, suitable for energy-efficient designs.
  • Built-in Startup Source: Simplifies startup circuitry design and operation.
  • Jitter Frequency Modulation: Improves EMI performance for reduced electromagnetic interference.

Cons:

  • External Components: May require additional external components for specific application requirements.
  • Design Complexity: Requires careful attention to layout and thermal considerations for optimum performance.

Are There Any Equivalents/Alternatives to KA5H0165R for Recommendation?

Alternatives to the KA5H0165R include the ICE3BR1765JZ from Infineon Technologies and the LNK626PG from Power Integrations.

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