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LP8733 数据表(PDF) 65 Page - Texas Instruments

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部件名 LP8733
功能描述  LP8733xx-Q1 Dual High-Current Buck Converter and Dual Linear Regulator
PDF  85 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LP8733 数据表(HTML) 65 Page - Texas Instruments

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Output Current (A)
0.001
0.01
0.1
1
6
40
50
60
70
80
90
100
D009
Vout=1V
Vout=1.8V
Vout=2.5V
Output Current (A)
0.001
0.01
0.1
1
3
40
50
60
70
80
90
100
D007
Vout=1V
Vout=1.8V
Vout=2.5V
Output Current (A)
0.001
0.01
0.1
1
6
40
50
60
70
80
90
100
D005
Vin=5V, AUTO
Vin=3.3V, AUTO
Vin=5V, FPWM
Vin=3.3V, FPWM
Output Current (A)
0.001
0.01
0.1
1
3
40
50
60
70
80
90
100
D003
Vin=5V, AUTO
Vin=3.3V, AUTO
Vin=5V, FPWM
Vin=3.3V, FPWM
65
LP8733-Q1
www.ti.com
SNVSB64 – SEPTEMBER 2018
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
8.2.3 Application Curves
Measurements are done using typical application set up with connections shown in Typical Applications. Graphs
may not reflect the OTP default settings. Unless otherwise specified: V(VIN_Bx) = V(VIN_LDOx) = V(VANA) = 3.7 V,
VOUT_Bx = 1 V, VOUT_LDOx = 1 V, TA = 25°C, L = 0.47 µH (TOKO DFE252012PD-R47M), COUT_BUCK = 22 µF /
phase, and CPOL_BUCK = 22 µF, COUT_LDO = 1 µF.
VOUT = 1.8 V
Figure 32. Buck Efficiency in PFM/PWM and Forced PWM
Mode (Single-Phase Output)
VOUT = 1.8 V
Figure 33. Buck Efficiency in PFM/PWM and Forced PWM
Mode (Dual-Phase Output)
VIN = 3.3 V
Figure 34. Buck Efficiency in Forced PWM Mode (Single-
Phase Output)
VIN = 3.3 V
Figure 35. Buck Efficiency in Forced PWM Mode (Dual-
Phase Output)



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