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LM3205 Datasheet(PDF) 8 Page - Texas Instruments

Part # LM3205
Description  LM3205 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3205 Datasheet(HTML) 8 Page - Texas Instruments

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VOUT
40 Ps/DIV
0.32V
VSW
VIN = 4.2V
VCON = 0.32/1.44V
RL = 10:
2V/DIV
VCON
1.44V
0.8V
3.6V
VOUT
40 Ps/DIV
500 mA/DIV
IL
EN
VSW
5V/DIV
2V/DIV
VIN = 4.2V
VOUT = 3.4V
RL = 10:
2V/DIV
IOUT
10 Ps/DIV
200 mA/DIV
IL
VOUT
100 mV/DIV
AC Coupled
VIN = 4.2V
VOUT = 3.4V
100 mA
400 mA
LM3205
SNVS388E – JULY 2005 – REVISED APRIL 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
(Circuit in Figure 31, PVIN = VDD = EN = 3.6V, L = 3.3uH, DCR of L ≤ 100mΩ, CIN = 10uF, 0603, 6.3V ( 4.7uF||4.7uF, 0603,
6.3V can be used), COUT = 4.7uF, 0603, 6.3V for LM3205TL/LM3205SD unless otherwise noted)
Load Transient Response
Startup
(VIN = 4.2V, VOUT = 3.4V)
(VIN = 3.6V, VOUT = 1.3V, RLOAD = 1kΩ)
Figure 16.
Figure 17.
Startup
Shutdown Response
(VIN = 4.2V, VOUT = 3.4V, RLOAD = 5kΩ)
(VIN = 4.2V, VOUT = 3.4V, RLOAD = 10Ω)
Figure 18.
Figure 19.
Line Transient Response
VCON Voltage Response
(VIN = 3.0V to 3.6V, IOUT = 100mA)
(VIN = 4.2V, VCON = 0.32V/1.44V, RLOAD = 10Ω)
Figure 20.
Figure 21.
8
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