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LM3280TL/NOPB 데이터시트(PDF) 9 Page - Texas Instruments

부품명 LM3280TL/NOPB
상세설명  Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management
PDF  27 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

LM3280TL/NOPB 데이터시트(HTML) 9 Page - Texas Instruments

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IL
40 Ps/DIV
200 mA/DIV
3.6V
3.0V
50 mV/DIV
AC Coupled
VIN
VOUT
VOUT = 1.5V
IOUT = 200 mA
20 Ps/DIV
200 mA
250 mA
50 mA
100 mV/DIV
AC Coupled
VIN = 3.6V
VOUT = 1.5V
IL
IOUT
VOUT
IL
100 Ps/DIV
200 mA/DIV
5V/DIV
VSW
VOUT
VIN = 4.2V
1V/DIV
VIN
RLOAD = 15:
VCON = 1.1V
VIN = 3.0V
IL
100 Ps/DIV
200 mA/DIV
5V/DIV
VSW
VOUT
VCON = 0.5V
RLOAD = 15:
BYP
1V/DIV
2V/DIV
ENBUCK
20 Ps/DIV
500 mA/DIV
5V/DIV
1V/DIV
5V/DIV
VOUT
VSW
IL
VIN = 4.2V
VOUT = 3.4V
RLOAD = 15:
IL
100 Ps/DIV
200 mA/DIV
5V/DIV
VSW
VOUT
VIN = 4.2V
VOUT = 3.25V
RLOAD = 15:
EN
2V/DIV
2V/DIV
LM3280
www.ti.com
SNOSAU4B – OCTOBER 2006 – REVISED FEBRUARY 2013
Typical Performance Characteristics (continued)
(VIN = ENBUCK = 3.6V, ENLDOx = BYP = 0V, TA = 25°C, unless otherwise noted)
PWM Startup
PWM Shutdown Response
(VCON = 1.13V)
(VCON = 1.08V)
Figure 15.
Figure 16.
Automatic Bypass Operation
Forced Bypass Operation
(VIN = 4.2V to 3.0V)
(VIN = 3.0V)
Figure 17.
Figure 18.
Line Transient Response
Load Transient Response
(VIN = 3.0V to 3.6V)
(VCON = 0.5V)
Figure 19.
Figure 20.
Copyright © 2006–2013, Texas Instruments Incorporated
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Product Folder Links: LM3280



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