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TPS62750DSKT Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPS62750DSKT
Description  High Efficiency Step-Down Converter for USB Applications
Download  27 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62750DSKT Fiches technique(HTML) 7 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
2.9
3.3
3.7
4.1
4.5
4.9
5.3
5.7
V -OutputVoltage-V
I
Imax=-40°C
Imax=25°C
Imax=85°C
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
V
=3.6V,
H/L =High
O
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
I
-OutputCurrent- A
O
0
10
20
30
40
50
60
70
80
90
100
V =4V
I
V =4.5V
I
V =5V
I
V =5.5V
I
V
=3.6V,
H/L =High
O
TPS62750
www.ti.com ....................................................................................................................................................................................................... SLVS955 – JULY 2009
Figure
Maximum Output Current
vs Input voltage
Figure 1
Efficiency
vs Output Current, Vin = [4.0V; 4.5V; 5.0V; 5.5V], Vout = 3.6V, H/L = High
Figure 2
vs Output Current, Vin = [4.0V; 4.5V; 5.0V; 5.5V], Vout = 3.6V, H/L = Low
Figure 3
vs Output Current, Vin = [4.0V; 4.5V; 5.0V; 5.5V], Vout = 2.5V, H/L = High
Figure 4
vs Output Current, Vin = [4.0V; 4.5V; 5.0V; 5.5V], Vout = 2.5V, H/L = Low
Figure 5
vs Input Voltage, Vout = 3.6V, Iout = [200mA, 400mA, 500mA, 700mA, 1000mA]
Figure 6
Input Current
vs Output Current, Vout =3.6V, Vin = [4.0V; 4.5V; 5.0V; 5.5V]
Figure 7
Output Voltage
vs Output Current, Vout = 3.6V, Vin = [4.5V; 5.0V; 5.5V], H/L = High
Figure 8
vs Output Current, Vout = 3.6V, Vin = [4.5V; 5.0V; 5.5V], H/L = Low
Figure 9
vs Input Voltage, Iload = 300mA, Vout = 3.6V H/L=high
Figure 10
vs Input Voltage, Iload = 500mA, Vout = 3.6V H/L=high
Figure 11
vs Input Voltage, Iload = 100
µA, Vout = 3.6V H/L=low
Figure 12
vs Input Voltage, Iload = 80mA, Vout = 3.6V H/L=low
Figure 13
Waveforms
Output Voltage Ripple, PFM Mode Iout = 50mA
Figure 14
Output Voltage Ripple, PWM Mode Iout = 500mA
Figure 15
Load Transient Vin = 5.0V, Vout = 3.6V, H/L = High, 50mA - 2A & 2A - 50mA,
Figure 16
Pulse Load period = 4.6ms, duty cycle 12.5%
Load Transient Vin = 5.0V, Vout = 3.6V, H/L = High, 50mA - 2A & 2A - 50mA,
Figure 17
Pulse Load period = 4.6ms, duty cycle 25%
Line Transient, Vin = 4.5V - 5.0V, Iout = 80mA, H/L = Low
Figure 18
Line Transient, Vin = 4.5V - 5.0V, Iout = 200mA, H/L = Low
Figure 19
Line Transient, Vin = 4.5V - 5.0V, Iout = 500mA, H/L = High
Figure 20
Average Input current Limit vs RLIM_L
Figure 21
Average Input current Limit vs RLIM_U
Figure 22
Startup after Enable, Vin = 5.0V, Vout = 3.6V, Load = 80mA, H/L=Low
Figure 23
Startup after Enable, Vin = 5.0V, Vout = 3.6V, Load = 500mA, H/L=High
Figure 24
Output Discharge, Vin = 5.0V, Vout = 3.6V, No Load
Figure 25
Figure 1. Maximum Output Current
Figure 2. Efficiency vs Output Current
Copyright © 2009, Texas Instruments Incorporated
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