SIP12107 / Vishay Siliconix - 데이터시트(PDF) Chat AI

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Part No.	SIP12107_V01
Manufacturer	VISHAY
Size	911 Kbytes
Pages	20 pages
Description	5 V, 3 A Current-Mode Constant On-Time Synchronous Buck Regulator

Datasheet Summary with AI

# SiP12107 - 5V, 3A Synchronous Buck Regulator

## Features
· Input Voltage: 2.8V to 5.5V
· Output Voltage: Adjustable down to 0.6V
· Continuous Output Current: 3A
· Switching Frequency: Programmable up to 4 MHz
· Peak Efficiency: 95%
· Supports all ceramic capacitors (no external ESR required)
· Ultrafast transient response
· Selectable power saving mode
· Fully protected: OTP, SCP, UVP, OVP
· Package: QFN16-33G (3mm x 3mm)

## Applications
· Notebook computers
· Desktop PCs and servers
· Handheld devices
· Telecom POLs
· Consumer electronics
· Industrial automation

## Electrical Characteristics
· AVIN UVLO Threshold: 2.55V
· Feedback Reference (VFB): 0.6V ±1%
· Switching Frequency Range: 0.2 - 4 MHz
· Soft-start time: 1.5ms
· High-side RDS(on): 56mΩ
· Low-side RDS(on): 33mΩ
· Over Current Limit: 4.5A
· Over Temperature Protection: 160°C

## Operational Description
· Control Method: Current-Mode Constant-On-Time (CM-COT)
· Power Saving Mode: Emulates diode operation at light loads & reduces switching frequency.
· Protection Features: OCP, UVP, OVP, OTP
· Soft Start: Monotonic startup ramp

## Pin Configuration (Key Pins)
· VIN: Power input
· AVIN: Logic bias
· EN: Enable
· RON: Sets on-time
· VFB: Feedback voltage
· LX: Switching output
· PGD: Power Good
· AGND: Analog Ground
· PGND: Power Ground