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SiP41109

Features: · PWM With Tri-State Enable· 12-V Low-Side Gate Drive (SiP41109)· 8-V Low-Side Gate Drive (SiP41110)· Undervoltage Lockout· Internal Bootstrap Diode· Switching Frequency Up to 1 MHz· 30-ns Max Propagation Delay· Drive MOSFETs In 5- to 48-V Systems· Adaptive Shoot-Through ProtectionApplic...

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SeekIC No. : 004491469 Detail

SiP41109: Features: · PWM With Tri-State Enable· 12-V Low-Side Gate Drive (SiP41109)· 8-V Low-Side Gate Drive (SiP41110)· Undervoltage Lockout· Internal Bootstrap Diode· Switching Frequency Up to 1 MHz· 30-ns...

SiP41109 Data Sheet

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Part Number:
SiP41109
Supply Ability:
5000

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

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Product Details

Description



Features:

· PWM With Tri-State Enable
· 12-V Low-Side Gate Drive (SiP41109)
· 8-V Low-Side Gate Drive (SiP41110)
· Undervoltage Lockout
· Internal Bootstrap Diode
· Switching Frequency Up to 1 MHz
· 30-ns Max Propagation Delay
· Drive MOSFETs In 5- to 48-V Systems
· Adaptive Shoot-Through Protection




Application

· Multi-Phase DC/DC Conversion
· High Current Low Voltage DC/DC Converters
· High Frequency DC/DC Converters
· Mobile and Desktop Computer DC/DC Converters
· Core Voltage Supplies for PC Micro-Processors




Pinout

Connection Diagram




Specifications

V CC, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 to 15 V
BOOT, PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 to 55 V
BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 to 15 V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to 150
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Power Dissipationa
SO-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 770 mW
Thermal Impedance (JA)b
SO-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130/W

Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 7.7 mW/




Description

The SiP41109 and SiP41110 are high-speed half-bridge MOSFET drivers for use in high frequency, high current, multiphase dc-to-dc synchronous rectifier buck power supplies. They are designed to operate at switching frequencies up to 1 MHz. The high-side driver is bootstrapped to allow driving n-channel MOSFETs.

They feature adaptive shoot-through protection to prevent simultaneous conduction of the external MOSFETs. There are two options available for the voltage of the high-side and low-side drivers. In the SiP41109, the regulator supplies gate drive voltage to the high-side driver and VCC supplies the low-side driver. in the SiP41110, the regulator supplies the high- and low-side gate drive voltage.

The SiP41109 and SiP41110 are assembled in a lead (Pb)-free 8-pin SOIC package for operation over the industrial operating range (−40 to 85).






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