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HV9930

Features: 􀂉 Constant Output Current􀂉 Steps Output Voltage Up or Down􀂉 Low EMI􀂉 Variable Frequency Operation􀂉 Internal 8 to 200V Linear Regulator􀂉 Input and output current sensing􀂉 Input Current limit􀂉 Enable & PWM DimmingA...

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SeekIC No. : 004367683 Detail

HV9930: Features: 􀂉 Constant Output Current􀂉 Steps Output Voltage Up or Down􀂉 Low EMI􀂉 Variable Frequency Operation􀂉 Internal 8 to 200V Linear Regulator􀂉...

HV9930 Data Sheet

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Part Number:
HV9930
Supply Ability:
5000

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

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Product Details

Description



Features:

􀂉 Constant Output Current
􀂉 Steps Output Voltage Up or Down
􀂉 Low EMI
􀂉 Variable Frequency Operation
􀂉 Internal 8 to 200V Linear Regulator
􀂉 Input and output current sensing
􀂉 Input Current limit
􀂉 Enable & PWM Dimming


Application

􀂉 Automotive LED Drivers
􀂉 RGB backlight applications
􀂉 Battery Powered LED Lamps
􀂉 Other Low Voltage AC/DC or DC/DC LED Drivers


Pinout

Connection Diagram


Specifications

VIN to GND................  -0.5V to +200V
VDD to GND................-0.3V to +13.5V
CS1, CS2 to GND..........-0.3V to VDD + 0.3V
PWMD to GND..........  -0.3V to (VDD + 0.3V)
GATE to GND............0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +25°C) (Note 1)
8-Pin DIP (derate 9mW/°C above +25°C).. 900mW
8-Pin SO (derate 6.3mW/°C above 25°C).. 630mW
Operating Temperature Range ...  -40°C to +85°C
Junction Temperature .............   +125°C
Storage Temperature Range ...  - 65°C to +150°C



Description

The HV9930 is a variable frequency PWM controller IC designed to control an LED lamp driver using a low noise boost-buck (Cuk) topology. It uses hystereticcurrent mode control to regulate both the input and the output currents. This enables fast transient response (required for PWM dimming) without the necessity for complex loop compensation. Input current control enables current limiting during startup and output overload conditions. Capacitive isolation protects the LED Lamp from failure of the switching MOSFET. HV9930 provides a low-frequency PWM dimming input that can accept an external control signal with a duty ratio of 0-100%.

The HV9930 based LED driver is ideal for automotive LED lamps and RGB backlight applications with low voltage DC inputs. It based LED Lamp drivers can achieve efficiency in excess of 80%.




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