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特性

  • Bidirectional buck, boost, and buck-boost operation
  • Input voltage range: 3.8V to 24V (no dead zone)
  • Output voltage: up to 20V
  • Up to 1MHz switching frequency
  • Programmable soft-start time
  • LDO output for VDD and VDDP
  • System status alert function
  • Bidirectional internal discharge function
  • Active switching for negative voltage transitions
  • Bypass mode in both directions
  • Forward mode enable, Reverse mode enable
  • OCP, OVP, UVP, and OTP protection
  • SMBus and auto-increment I2C compatible
  • Pb-free (RoHS compliant)
  • 32 Ld 4x4 TQFN Package

描述

The ISL95338 is a bidirectional, buck-boost voltage regulator that provides buck-boost voltage regulation and protection features. The Renesas advanced R3™ Technology provides high light-load efficiency, fast transient response, and seamless DCM/CCM transitions. The ISL95338 takes input power from a wide range of DC power sources (such as conventional AC/DC ADPs, USB PD ports, and travel ADPs) and safely converts it to a regulated voltage up to 20V. The ISL95338 can also convert a wide range DC power source connected at its output (system side) to a regulated voltage to its input (ADP side). This bidirectional buck-boost regulation feature makes its application very flexible. The ISL95338 includes various system operation functions such as Forward mode enable, Reverse mode enable, programmable soft-start time, and adjustable VOUT in both the forward direction and reverse direction. The protection functionalities include OCP, OVP, UVP, and OTP. The ISL95338 has serial communication through SMBus/I2C that allows programming of many critical parameters to deliver a customized solution. These programming parameters include, but are not limited to: output current limit, input current limit, and output voltage setting.

产品参数

属性
Topology [Rail 1] Buck-Boost
Outputs (#) 1
Input Voltage (Min) (V) 3.8
Input Voltage (Max) (V) 24
Output Voltage (Min) (V) 2
Output Voltage (Max) (V) 20
Quiescent Current 130 µA (forward)
Switching Frequency Range (Typical) (kHz) 620 - 620
SYNCH Capability No
Parallelable No
Bi-direction Yes
Control Type R3 modulator
Temp. Range (°C) -10 to +100°C, -40 to +100°C

封装选项

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
TQFN 4.0 x 4.0 x 0.70 32 0.4

应用方框图

100W USB Type-C DC Input Module Block Diagram
100W USB Type-C DC 输入模块
多功能 DC/DC 模块,支持 USB PD、PPS、双 Type-C 输出和 4-20V 输入。

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