Description
LM3352 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter September 1999 LM3352 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Con.
The LM3352 is a CMOS switched capacitor DC/DC converter that produces a regulated output voltage by automatically stepping up (boost) or stepping down.
Features
* n Regulated VOUT with ± 3% accuracy n Standard output voltage options: 2.5V, 3.0V and 3.3V
Typical Operating Circuit
DS101037-1
© 1999 National Semiconductor Corporation
DS101037
www. national. com
Connection Diagram
DS101037-2
Top View TSSOP-16 Pin Package See NS Package Number MTC16
Orderin
Applications
* n Custom output voltages available from 1.8V to 4.0V in 100 mV increments n 2.5V to 5.5V input voltage n Up to 200 mA output current n > 80% average efficiency n Uses few, low-cost external components n Very small solution size n 400 µA typical operating current n 2.5 µA typical shutdown current n