Datasheet > UP1959T-MD

UP1959T-MD

更新时间： 2024-09-24 01:16:07

品牌	Logo	应用领域
力智 - UPI		/
页数	文件大小	规格书
11页	189K
描述
Single Phase Synchronous-Rectified Buck Converter

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UP1959T-MD 数据手册

Conceptual

uP1959T-MD

12V MOSFET Drivers with Output Disable

for Single Phase Synchronous-Rectified Buck Converter

Features

General Description

The uP1959T is a dual, high voltage MOSFET driver All-In-One Synchronous Buck Drivers

optimized for driving two N-channel MOSFETs in a

synchronous-rectified buck converter. Each driver is

capable of driving a 5000pF capacitive load with 30ns

transition time. This device combined with uPI multi-phase

Integrated Bootstrap Diode

Adaptive Anti-Shoot-Through Protection

Circuitry

1 PWM Signal Generates both Drivers

Tri-State Input for Bridge Shutdown

buck PWM controller forms a complete core voltage

regulator for advanced micro-processors.

Output Disable Control Turans Off both

The uP1959Tfeatures adaptive anti-shoot-through protection

that prevents cross-conduction of the external MOSFET

while maintains minimum deadtime for optimized efficiency.

MOSFETs

Under Voltage Lockout for Supply Input

WDFN3x3 - 8L Package

This part has integrated bootstrap diode to help minimize

the external component count. Both gate drives are turned

off by pulling low OD# pin or high-impedance at PWM pin,

preventing rapid output capacitor discharge during system

shutdown.

RoHS Compliant and Halogen Free

Applications

Desktop CPU Core Voltage Regulators

This device also supports supply input under voltage

lockout. The uP1959T is available in thermally enhanced

WDFN3x3 - 8L package.

High Frequency Low Profile DC/DC Converters

High Current Low Voltage DC/DC Converters

Ordering Information

Pin Configuration

Order Number

uP1959TDD8-MD WDFN3x3 - 8L

Note:

(1) Please check the sample/production availability with

uPI representatives.

Package

Top Marking

uP1959T

BOOT

PWM

UGATE

PHASE

GND

OD#

VCC

LGATE

(2) uPI products are compatible with the current IPC/

JEDEC J-STD-020 requirements. They are halogen-free,

RoHS compliant and 100% matte tin (Sn) plating that are

suitable for use in SnPb or Pb-free soldering processes.

uP1959T

uP1959T-MD-DS-C3100, Mar. 2018

www.upi-semi.com

12 3 4 5 6 7...11

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