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LM3676 Arkusz danych(PDF) 7 Page - Texas Instruments

Numer części LM3676
Szczegółowy opis  2-MHz 600-mA Step-Down DC-DC Converter With Mode Control
Download  25 Pages
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

LM3676 Arkusz danych(HTML) 7 Page - Texas Instruments

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0
100
200
300
400
500
600
OUTPUT CURRENT (mA)
1.48
1.5
1.52
1.54
VIN = 3.6V
VOUT = 1.5V
PFM Mode
PWM Mode
VOUT
40 Ps/DIV
3.6V
VIN
3.0V
20 mV/DIV
AC Coupled
VOUT = 1.5V
IOUT = 400 mA
2.5
3
3.5
4
4.5
5
5.5
SUPPLY VOLTAGE(V)
1.4800
1.4900
1.5000
1.5100
1.5200
1.5300
= 10 mA
I OUT
= 1.5 V
OUT
V
= 300 mA
I OUT
= 500 mA
I OUT
= 600 mA
I OUT
-10
10
30
50
70
90
TEMPERATURE (
oC)
1.4800
1.4850
1.4900
1.4950
1.5000
1.5050
1.5100
1.5150
1.5200
1.5250
1.5300
-30
PFM Mode
PWM Mode
IOUT = 300 mA
VIN = 3.6V
VOUT = 1.5V
IOUT = 600 mA
IOUT = 10 mA
LM3676
www.ti.com
SNVS426C – NOVEMBER 2006 – REVISED MAY 2013
Typical Performance Characteristics (continued)
Circuit of LM3676, VIN= 3.6V, VOUT= 1.5V, TA= 25°C, unless otherwise noted.
Output Voltage vs. Supply Voltage
Output Voltage vs. Temperature
(VOUT = 1.5V)
(VOUT = 1.5V)
Figure 11.
Figure 12.
Output Voltage vs. Output Current
Line Transient Response
(VOUT = 1.5V)
VOUT = 1.5V (PWM Mode)
Figure 13.
Figure 14.
Efficiency vs. Output Current
Efficiency vs. Output Current
(VOUT = 1.5V, L = 2.2 µH)
(VOUT = 3.3V, L = 2.2 µH)
Figure 15.
Figure 16.
Copyright © 2006–2013, Texas Instruments Incorporated
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