# ACT8342 - Three-Channel Integrated Power Management IC

## FEATURES

· Multiple Patents Pending
· Three Integrated Regulators:
- 350mA PWM Step-Down DC/DC
- 80mA Low Noise LDO
- 150mA Low Noise LDO
· Independent Enable/Disable Control
· Minimal External Components
· 3x3mm, Thin-QFN (TQFN33-16) Package (0.75mm height)
· RoHS Compliant

## APPLICATIONS

· Portable Devices and PDAs
· MP3/MP4 Players
· Wireless Handhelds
· GPS Receivers

## GENERAL DESCRIPTION

· Complete, cost-effective, highly-efficient ActivePMUTM power management solution.
· Integrates one PWM step-down DC/DC converter and two low noise LDOs.
· Ideal for portable handheld equipment.
· REG1: Fixed-frequency, current-mode PWM step-down DC/DC (up to 350mA). Factory-preset and adjustable output voltage options.
· REG2 & REG3: Low noise, high PSRR linear regulators (80mA & 150mA, respectively).
· Available in a 3mm x 3mm, 16-pin Thin-QFN package (0.75mm thin).

## PRODUCT OPTIONS

· REG1 (Step-Down DC/DC):
- Output Voltage: Adjustable, 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, or 3.3V
- Capability: Up to 350mA
· REG2 (LDO):
- Output Voltage: 1.4V to 3.7V
- Capability: Up to 80mA
· REG3 (LDO):
- Output Voltage: 1.4V to 3.7V
- Capability: Up to 150mA