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G5617A - Programmable Output High-Speed Step-Down Controller

Download the G5617A datasheet PDF. This datasheet also covers the G5617A-GlobalMixed variant, as both devices belong to the same programmable output high-speed step-down controller family and are provided as variant models within a single manufacturer datasheet.

Description

G5617A/G5617B PWM controller uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.

Features

  • Ultra-High Efficiency.
  • No Current-Sense Resistor (Lossless ILIMIT).
  • Quasi-PWM with 100ns Load-Step Response.
  • 1% VOUT Accuracy Over Line and Load.
  • 0.75V to 3.6V Adjustable Output Range.
  • Dynamic Voltage Scaling by G0 and G1 Inputs.
  • 4.5V to 24V Battery Input Range.
  • OVP & UVP.
  • Built-in BST Diode.
  • 1.7ms Soft-Start.
  • Drives Large Synchronous-Rectifier FETs.
  • Power-Good Indicator.
  • G0/G1 H.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (G5617A-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number G5617A
Manufacturer Global Mixed-mode Technology
File Size 26.69 KB
Description Programmable Output High-Speed Step-Down Controller
Datasheet download datasheet G5617A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Global Mixed-mode Technology G5617A/G5617B Programmable Output High-Speed Step-Down Controller for Notebook Computer Features „ Ultra-High Efficiency „ No Current-Sense Resistor (Lossless ILIMIT) „ Quasi-PWM with 100ns Load-Step Response „ 1% VOUT Accuracy Over Line and Load „ 0.75V to 3.6V Adjustable Output Range „ Dynamic Voltage Scaling by G0 and G1 Inputs „ 4.5V to 24V Battery Input Range „ OVP & UVP „ Built-in BST Diode „ 1.7ms Soft-Start „ Drives Large Synchronous-Rectifier FETs „ Power-Good Indicator „ G0/G1 High Active (G5617A) G0/G1 Low Active (G5617B) Applications „ Notebook Computers „ CPU Core Supply „ Chipset/RAM Supply as Low as 0.75V „ 1.8V and 2.
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