Product
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LP8758-E3
  • LP8758-E3

LP8758-E3

ACTIVE

Four, single-phase, 4-A output DC-DC step-down converter

Texas Instruments LP8758-E3 Product Info

1 April 2026 4

Parameters

Product type

Processor and FPGA

Regulated outputs (#)

4

Step-down DC/DC converter

4

Step-up DC/DC converter

0

LDO

0

Vin (min) (V)

2.5

Vin (max) (V)

5.5

Vout (min) (V)

0.5

Vout (max) (V)

3.36

Iout (max) (A)

4

Configurability

Factory programmable, Software configurable

Features

Adjustable current limit, Dynamic voltage scaling, Enable, I2C, Light-load efficiency, Multiple outputs, Output discharge, Phase interleaving, Power good, Remote sense, Synchronous rectification

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Step-down DC/DC controller

0

Step-up DC/DC controller

0

Iq (typ) (mA)

0.006

Switching frequency (max) (kHz)

3000

Shutdown current (ISD) (typ) (µA)

1

Switching frequency (typ) (kHz)

3000

Package

DSBGA (YFF)-35-6.6 mm² 2.2 x 3

Features

  • Fully Integrated Quad Buck, up to 4-A Programmable Maximum Output Current Per Buck
    • Auto PWM-PFM and Forced-PWM Operations
    • Programmable Output Voltage Slew Rate From 30 mV/µs to 0.5 mV/µs
    • Input Voltage Range: 2.5 V to 5.5 V
    • VOUT Range: 0.5 V to 3.36 V with DVS
  • Programmable Start-Up and Shutdown Sequencing With Enable Signal
  • I2C-Compatible Interface That Supports Standard (100 kHz), Fast (400 kHz),
    Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
  • Interrupt Function with Programmable Masking
  • Load Current Measurement
  • Output Short-Circuit and Overload Protection
  • Spread-Spectrum Mode for EMI Reduction
  • The Four Buck Cores Operate 90° out of Phase Thereby Reducing Input Ripple Current
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)
  • Fully Integrated Quad Buck, up to 4-A Programmable Maximum Output Current Per Buck
    • Auto PWM-PFM and Forced-PWM Operations
    • Programmable Output Voltage Slew Rate From 30 mV/µs to 0.5 mV/µs
    • Input Voltage Range: 2.5 V to 5.5 V
    • VOUT Range: 0.5 V to 3.36 V with DVS
  • Programmable Start-Up and Shutdown Sequencing With Enable Signal
  • I2C-Compatible Interface That Supports Standard (100 kHz), Fast (400 kHz),
    Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
  • Interrupt Function with Programmable Masking
  • Load Current Measurement
  • Output Short-Circuit and Overload Protection
  • Spread-Spectrum Mode for EMI Reduction
  • The Four Buck Cores Operate 90° out of Phase Thereby Reducing Input Ripple Current
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)

Description

The LP8758-E3 device is designed to meet power management requirements for low-power processors in mobile phones, network cards, and similar applications. The device contains four step-down DC-DC converter cores, providing four output voltage rails. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation maximizes efficiency over a wide output-current range.

The LP8758-E3 supports programmable start-up and shutdown sequencing synchronized to hardware Enable input signal.

The protection features include short-circuit protection, current limits, input supply UVLO, and temperature warning and shutdown functions. Several error flags are provided for status information of the device. In addition, the LP8758-E3 device supports load current measurement without the addition of external current sense resistors. During start-up and voltage change, the device controls the output slew rate to minimize output voltage overshoot and the inrush current.

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