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LP87702 Scheda tecnica(PDF) 85 Page - Texas Instruments

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Il numero della parte LP87702
Spiegazioni elettronici  LP87702 Dual Buck Converter and 5-V Boost With Diagnostic Functions
PDF  98 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

LP87702 Scheda tecnica(HTML) 85 Page - Texas Instruments

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IOUT = 0 A → 3 A → 0 A
TR = TF = 1 µs
VOUT = 1 V
Figure 8-19. Buck Transient Load Step Response,
Auto Mode
VOUT = 1.2 V
Figure 8-20. Buck Transient Load Step Response,
Auto Mode
Output Current (A)
0.001
0.01
0.1
1
40
50
60
70
80
90
100
D006
Vout=5.0V, Vin=3.3V
.
Figure 8-21. Boost Efficiency
Output Current (A)
0
0.1
0.2
0.3
0.4
0.5
0.6
4.85
4.9
4.95
5
5.05
5.1
5.15
5.2
D007
Vout=5.0V, Vin=3.3V
.
Figure 8-22. Boost Output Voltage vs Load Current
Input Voltage (V)
2.8
3
3.2
3.4
3.6
3.8
4
4.97
4.98
4.99
5
5.01
5.02
5.03
5.04
D008
Vout=5.0V, ILoad=0.1A
IOUT = 0.1 A
Figure 8-23. Boost Output Voltage vs Input Voltage
IOUT = 0 A
Figure 8-24. Boost Start-up With EN1, Forced-PWM
www.ti.com
LP87702
SNVSBU3 – MARCH 2021
Copyright © 2021 Texas Instruments Incorporated
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