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LM8801
  • LM8801
  • LM8801
  • LM8801
  • LM8801

LM8801

ACTIVE

High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications

Texas Instruments LM8801 Product Info

1 April 2026 1

Parameters

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

5.5

Vin (min) (V)

2.3

Vout (max) (V)

1.8473

Vout (min) (V)

1.7927

Features

Enable, Forced PWM, Light Load Efficiency, Light load efficiency

Control mode

Voltage mode

Operating temperature range (°C)

-30 to 85

Iq (typ) (A)

0.000027

Duty cycle (max) (%)

98

Package

DSBGA (YFQ)-6-1.4000000000000001 mm² 1.4000000000000001 x 1

Features

  • Over 90% Efficiency at 6 MHz Operation
  • 600 mA Maximum Load Capability
  • 6 MHz PWM Fixed Switching Frequency (typ.)
  • 27 µA (typ.) Quiescent Current in PFM Mode
  • Wide Input Voltage Range: 2.3V to 5.5V
  • VOUT = 1.0V to 2.9V with 50 mV steps
  • ±1.5% DC Output Voltage Precision Over Temperature
  • Best-in-Class Load Transient Response
  • Low Output Ripple in PFM Mode
  • Automatic PFM/PWM Mode Switching
  • Current Overload and Thermal Shutdown Protection
  • Internal Soft-Start
  • 6-bump DSBGA Package
    • (1.065 x 1.265 , 0.6 mm or 0.25 mm height)
  • Total Solution Size < 7mm2 (works with 0402 capacitors)
  • UVLO

All trademarks are the property of their respective owners.

  • Over 90% Efficiency at 6 MHz Operation
  • 600 mA Maximum Load Capability
  • 6 MHz PWM Fixed Switching Frequency (typ.)
  • 27 µA (typ.) Quiescent Current in PFM Mode
  • Wide Input Voltage Range: 2.3V to 5.5V
  • VOUT = 1.0V to 2.9V with 50 mV steps
  • ±1.5% DC Output Voltage Precision Over Temperature
  • Best-in-Class Load Transient Response
  • Low Output Ripple in PFM Mode
  • Automatic PFM/PWM Mode Switching
  • Current Overload and Thermal Shutdown Protection
  • Internal Soft-Start
  • 6-bump DSBGA Package
    • (1.065 x 1.265 , 0.6 mm or 0.25 mm height)
  • Total Solution Size < 7mm2 (works with 0402 capacitors)
  • UVLO

All trademarks are the property of their respective owners.

Description

The LM8801 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell and input voltage rails from 2.3V to 5.5V. It provides up to 600 mA load current over the entire input voltage range.

The LM8801 has a mode-control pin that allows the user to select continuous PWM operation over the complete load range or an auto PFM-PWM mode that changes modes automatically depending on the load. During PWM mode, the device operates at a fixed-frequency of 6 MHz (typ.). In Auto PFM-PWM mode, hysteretic PFM extends the battery life through reduction of the quiescent current during light loads and system standby.

The LM8801 is available in a 6-bump DSBGA package. Only three compact external surface-mount components, an inductor and two capacitors, are required.

The LM8801 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell and input voltage rails from 2.3V to 5.5V. It provides up to 600 mA load current over the entire input voltage range.

The LM8801 has a mode-control pin that allows the user to select continuous PWM operation over the complete load range or an auto PFM-PWM mode that changes modes automatically depending on the load. During PWM mode, the device operates at a fixed-frequency of 6 MHz (typ.). In Auto PFM-PWM mode, hysteretic PFM extends the battery life through reduction of the quiescent current during light loads and system standby.

The LM8801 is available in a 6-bump DSBGA package. Only three compact external surface-mount components, an inductor and two capacitors, are required.

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