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G5302

更新时间: 2024-01-20 06:04:17
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致新 - GMT /
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描述
650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers

G5302 数据手册

  
G5302  
Global Mixed-mode Technology Inc.  
650mA Miniature, Adjustable, Step-Down DC-DC Con-  
verter for RF Power Amplifiers  
General Description  
Features  
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2 MHz PWM Switching Frequency.  
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.  
2.7V ~ 5.5V Input Voltage Operation.  
0.8V ~ 3.6V Adjustable Output Voltage.  
25µs Output Voltage Transient from 0.8V to  
3.4V.  
650mA Maximum load capability.  
95% Efficiency DC/DC Converter.  
Cycle-by-Cycle current limit for DC/DC Con-  
verter  
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2MHz Fixed-frequency PWM operation minimized  
RF interference. A shutdown function turns the de-  
vice off and reduces battery consumption to  
0.01µA(typ.).  
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Built-In Thermal Shutdown Function.  
Built-In Input Voltage UVP Function.  
9-pin micro SMD Package.  
G5302 is abailabe in a 9-pin WLCSP Package.  
Applications  
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Cellular Phones  
Hand-Held Radios  
RF PC Cards  
Battery Powered RF Devices  
Ordering Information  
ORDER  
NUMBER  
G5302B91U  
TEMP.  
RANGE  
PACKAGE  
(Green)  
MARKING  
5302  
-30°C to +85°C  
WLCSP3X3-9  
Note : B9: WLCSP3X3-9  
1: Bonding Code  
U: Tape & Reel  
Pin Configuration  
Typical Application  
VIN  
2.7V~5.5V  
A3  
A2  
A1  
PGND  
AGND  
FB  
PVIN  
VOUT  
0.8V~3.6V  
PVIN  
VCC  
C1  
3.3µH  
L1  
SW  
EN  
SW  
FB  
B2  
B3  
C3  
B1  
C1  
VCC  
EN  
NC  
VCON  
PGND  
C2  
AGND  
VCON  
4.7µF  
C2  
Bottom View  
WLCSP3X3-9  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 0.2  
Dec 30, 2010  
1

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