TPS610891 Overview
The TPS61089x represents the TPS61089 and the TPS610891. The TPS61089x is a fully-integrated synchronous boost converter with a 19-mΩ main power switch and a 27-mΩ rectifier switch. The device provides a high-efficiency and small-size power VIN C1 L1 R3 SW C4 BOOT FSW solution for portable equipment.
TPS610891 Key Features
- Input voltage range: 2.7 V to 12 V
- Output voltage range: 4.5 V to 12.6 V
- Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V
- Resistor-programmable peak current limit up to 10
- Adjustable switching frequency: 200 kHz to 2.2
- 4-ms built-in soft start time
- PFM operation mode at light load (TPS61089)
- Forced PWM operation mode at light load
- Internal output overvoltage protection at 13.2 V
- Cycle-by-cycle overcurrent protection