G5302 Datasheet, PDF (1/1 Pages) Global Mixed-mode Technology Inc – 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers

Global Mixed-mode Technology Inc.
G5302
650mA Miniature, Adjustable, Step-Down DC-DC Con-
verter for RF Power Amplifiers
Features
z 2 MHz PWM Switching Frequency.
z 2.7V ~ 5.5V Input Voltage Operation.
z 0.8V ~ 3.6V Adjustable Output Voltage.
z 25µs Output Voltage Transient from 0.8V to
3.4V.
z 650mA Maximum load capability.
z 95% Efficiency DC/DC Converter.
z Cycle-by-Cycle current limit for DC/DC Con-
verter
z Built-In Thermal Shutdown Function.
z Built-In Input Voltage UVP Function.
z 9-pin micro SMD Package.
Applications
z Cellular Phones
z Hand-Held Radios
z RF PC Cards
z Battery Powered RF Devices
General Description
The G5302 is a Synchronous Buck Converter, steps
down an input voltage in the range from 2.7V to 5.5V
to an adjustable output voltage of 0.8V to 3.6V. Out-
put voltage is set by using VCON analog input to
control power levels and efficiency of the RF PA.
2MHz Fixed-frequency PWM operation minimized
RF interference. A shutdown function turns the de-
vice off and reduces battery consumption to
0.01µA(typ.).
G5302 is abailabe in a 9-pin WLCSP Package.
Ordering Information
ORDER
NUMBER
G5302B91U
Note : B9: WLCSP3X3-9
1: Bonding Code
U: Tape & Reel
Pin Configuration
MARKING
5302
TEMP.
RANGE
-30°C to +85°C
PACKAGE
(Green)
WLCSP3X3-9
Typical Application
PGND
AGND
FB
A3
A2
A1
SW
B3
B2
B1
NC
C3
C2
C1
VCON
Bottom View
WLCSP3X3-9
PVIN
VCC
EN
VIN
2.7V~5.5V
C1
PVIN
EN
VCC
SW
VCON
PGND
FB
AGND
3.3µH
L1
VOUT
0.8V~3.6V
4.7µF
C2
Ver: 0.2
Dec 30, 2010
TEL: [phone]
http://www.gmt.com.tw
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