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LM3670 Folha de dados(PDF) 7 Page - Texas Instruments

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Nome de Peças LM3670
Descrição Electrónicos  Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits
Download  24 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

LM3670 Folha de dados(HTML) 7 Page - Texas Instruments

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VOUT (50 mV/Div)
ILOAD = 280 mA
TIME (100 Ps/DIV)
ILOAD = 3 mA
VOUT (50 mV/Div)
ILOAD = 70 mA
TIME (100 Ps/DIV)
ILOAD = 0 mA
Inductor Current = 200 mA/Div
VIN = 3.6V
VIN = 4.6V
TIME (100 Ps/DIV)
VOUT = 1.8V
(20 mV/
Div)
VOUT = 1.8V
IOUT = 100 mA
VIN rise time = 10 Ps
VIN = 3.6V
TIME (200 Ps/DIV)
VIN = 2.6V
(20 mV/
Div)
2.5
3
3.5
4
4.5
5
5.5
VIN (V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
N FET
P FET
TA = 85
°C
TA = 25
°C
TA = -40
°C
-40
-20
-10
0 10 20 30 40 50 60 70 80
TEMPERATURE (
°C)
840
850
860
870
880
890
900
910
920
930
940
950
960
970
980
990
1000
1010
-30
ILOAD = 150 mA
VIN = 2.5V
VIN = 5.5V
VIN = 3.6V
LM3670
www.ti.com
SNVS250D – NOVEMBER 2004 – REVISED JANUARY 2006
Typical Performance Characteristics (continued)
(unless otherwise stated: VIN= 3.6V, VOUT= 1.8V)
RDSON vs. VIN
Frequency vs. Temperature
P & N Channel
Line Transient
Line Transient
(VIN = 2.6V to 3.6V, ILOAD = 100 mA)
(VIN = 3.6V to 4.6V , ILOAD = 100 mA)
Load Transient
Load Transient
ILOAD = 3mA to 280mA
ILOAD = 0mA to 70mA
Copyright © 2004–2006, Texas Instruments Incorporated
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