Datasheet Texas Instruments LM2770SD-1215/NOPB — 数据表

LM2770
www.ti.com SNVS318E – NOVEMBER 2004 – REVISED MAY 2013 LM2770 High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode
Check for Samples: LM2770 FEATURES APPLICATIONS 1 2 High Efficiency Multi-Gain Architecture: Peak
Power Efficiency >85%
Output Voltage Pairs: 1.2V/1.5V and
1.2V/1.575V
Dynamic Output Voltage Selection
В±3% Output Voltage Accuracy
Output Currents up to 250mA
2.7V to 5.5V Input Range
Low-Supply-Current Sleep Mode
55ВµA Quiescent Supply Current in Full-Power
Mode
Soft-Start
Short-Circuit Protection in Full-Power Mode
Current-Limit Protection in Sleep Mode
WSON-10 Package (3mm Г— 3mm Г— 0.8mm) DSP Power Supplies
Baseband Power Supplies
Mobile Phones and Pagers
Portable Electronic Equipment DESCRIPTION
The LM2770 is a switched capacitor step-down
regulator that is ideal for powering low-voltage
applications in portable systems. The LM2770 can …