LP8725 NSC | Alldatasheet

Document overview

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Technical content

Features

■ Two High Efficiency Step-Down DC/DC Convertors, IOUT = 600 mA, with a 4MHz switching frequency using small 1µH inductors, with options up to 800 mA. ■ Three digital LDOs for up to 300 mA load current each ■ Two low-noise analog 300 mA LDOs ■ Two low-input low output regulators, IOUT = 300 mA ■ I2C-compatible interface for the controlling of internal registers ■ Adjustable startup sequence through I2C or configuration ■ Thermal shutdown protection Key Specifications ■ 190 mV typ. Dropout Voltage on digital LDOs @ 300 mA ■ 2% typ. Output Voltage Accuracy on digital and analog LDOs ■ 10 µVrms Output Noise on analog LDOs ■ ±2% typ. Output Voltage Bucks up to 93% efficiency ■ 30-bump micro SMD package (0.5 mm pitch)

Applications

■ Multi-media Processors ■ Portable Handheld Products © 2010 National Semiconductor Corporation 300980 www.national.com LP8725 PRODUCT BRIEF

Typical Application (SUB-PMU) 30098001 www.national.com 2 LP8725 PRODUCT BRIEF

Typical Application (PMU) 30098005 3 www.national.com LP8725 PRODUCT BRIEF

Ordering Information

Order Number Package Type Product Identification Supplied as LP8725TLE micro SMD 8725 250 Tape & Reel LP8725TLX micro SMD 8725 3000 Tape & Reel LP8725TLE-A micro SMD V023 250 Tape & Reel LP8725TLX-A micro SMD V023 3000 Tape & Reel LP8725TLE-B micro SMD V028 250 Tape & Reel LP8725TLX-B micro SMD V028 3000 Tape & Reel LP8725TLE-D micro SMD V031 250 Tape & Reel LP8725TLX-D micro SMD V031 3000 Tape & Reel The LP8725-A, LP8725-B and LP8725–D variants offer alternative startup default configurations to the standard LP8725 part (see Start-up Sequences and Default Output Voltages). www.national.com 4 LP8725 PRODUCT BRIEF

Physical Dimensions inches (millimeters) unless otherwise noted 30-bump micro SMD Package X1 = 2.568 mm ±0.030 mm X2 = 2.974 mm ±0.030 mm X3 = 0.600 mm ±0.075 mm 5 www.national.com LP8725 PRODUCT BRIEF

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