LM3203
www.
ti.
com
SNVS355D – MAY 2005 – REVISED APRIL 2013
LM3203 Step-Down DC-DC Converter with Bypass Mode for CDMA / WCDMA RF Power
Amplifiers
Check for Samples: LM3203
FEATURES
1
•2 2MHz (Typ.
) PWM Switching Frequency • Operates from a Single Li-Ion Cell (2.
7V to
5.
5V) • Adjustable Output
Voltage (0.
8V to 3.
6V) • 500mA Maximum Load Capability (PWM and
Bypass Mode) • PWM / Forced Bypass Mode • Low RDSON Bypass FET: 85mΩ (Typ.
) • High Efficiency (96% typ.
at 3.
6VIN, 3.
2VOUT at
150mA) • Fast Turn-On Time When Enabled (50µs typ.
),
3GPP Compliant • 10-Pin DSBGA Package • Current Overload Protection • Thermal Overload Protection
DESCRIPTION
The LM3203 is a DC-DC converter optimized for po...