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TPS62090RGTR Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPS62090RGTR
Description  3A High Efficient Synchronous Step Down Converter with DCS??Control
Download  26 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62090RGTR Fiches technique(HTML) 7 Page - Texas Instruments

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50
55
60
65
70
75
80
85
90
95
100
100m
1
10
100
1k
10k
I load (mA)
VIN = 3.7 V
VIN = 4.2 V
VIN = 5 V
VOUT = 3.3 V
L = 1 µH
f = 1.4 MHz
G002
50
55
60
65
70
75
80
85
90
95
100
100m
1
10
100
1k
10k
I load (mA)
VIN = 3.7 V
VIN = 4.2 V
VIN = 5 V
VOUT = 3.3 V
L = 1 µH
f = 2.8 MHz
G001
TPS62090, TPS62091
TPS62092, TPS62093
www.ti.com
SLVSAW2A – MARCH 2012 – REVISED MARCH 2012
TYPICAL CHARACTERISTICS
FIGURE
Efficiency
vs load current (VO = 3.3 V, f = 1.4 MHz, f = 2.8 MHz)
Figure 2, Figure 3
Efficiency
vs load current (VO = 1.8 V, f = 1.4 MHz, f = 2.8 MHz)
Figure 4, Figure 5
Efficiency
vs load current (VO = 1.05 V, f = 1.4 MHz, f = 2.8 MHz)
Figure 6, Figure 7
Output voltage
vs load current (VO = 1.8 V, f = 1.4 MHz, f = 2.8 MHz)
Figure 8, Figure 9
High Side FET on-resistance
vs input voltage
Figure 10
Switching frequency
vs load current (VO = 1. 8 V, f = 1.4 MHz)
Figure 11
Switching frequency
vs input voltage (VO = 1.8 V, f = 1.4 MHz)
Figure 12
Switching frequency
vs load current (VO = 1. 8 V, f = 2.8 MHz)
Figure 13
Switching frequency
vs input voltage (VO = 1.8 V, f = 2.8 MHz)
Figure 14
Quiescent current
vs input voltage ( VO = 1.8 V, f = 1.4 MHz)
Figure 15
PWM operation
VO = 1.8 V, f = 1.4 MHz
Figure 16
PFM operation
VO = 1.8 V, f = 1.4 MHz
Figure 17
PFM operation
VO = 1.8 V, f = 2.8 MHz
Figure 18
Load sweep
VO = 1.8 V, f = 1.4 MHz
Figure 19
Load sweep
VO = 1.8 V, f = 2.8 MHz
Figure 20
Start-up
VO = 1.8 V, f = 2.8 MHz, CSS = 10 nF
Figure 21
Shutdown
VO = 1.8 V, f = 2.8 MHz
Figure 22
Hiccup short circuit protection
VO = 1.8 V, f = 1.4 MHz
Figure 23
Hiccup Short circuit protection
VO = 1.8 V, f = 1.4 MHz, recovery after short circuit
Figure 24
Load transient response
VO = 1.8 V, f = 1.4 MHz, 300 mA to 2.5 A
Figure 25
Load transient response
VO = 1.8 V, f = 1.4 MHz, 300 mA to 2.5 A
Figure 26
Load transient response
VO = 1.8 V, f = 1.4 MHz, 20 mA to 1 A
Figure 27
Figure 2. Efficiency vs Load Current
Figure 3. Efficiency vs Load Current
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Link(s): TPS62090 TPS62091 TPS62092 TPS62093


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