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TPS62353YZGR Fiches technique(PDF) 11 Page - Texas Instruments

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No de pièce TPS62353YZGR
Description  800-mA / 1000-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER
Download  46 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62353YZGR Fiches technique(HTML) 11 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
Table of Graphs
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
I
− OutputCurrent
O
− mA
V =3.6V
I
V
=1.35V
L =1 H
C
=10 F
O
O
m
m
FPFM/PWM
LPFM/PWM
3-MHzPWM
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
I
− OutputCurrent
O
− mA
V =3.6V
I
V
=1.05V
L =1 H
C
=10 F
O
O
m
m
FPFM/PWM
LPFM/PWM
TPS62350, TPS62351
TPS62352, TPS62353
TPS62354, TPS62355, TPS62356
www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008
FIGURE
vs Output current
3, 4, 5, 6
η
Efficiency
vs Input voltage
7
vs Output current
8, 9, 12
DC output voltage
vs Input voltage
10, 11
VO
vs Ambient temperature
13
Measured output voltage
vs DAC target output voltage
14
IQ
Quiescent current
vs Input voltage
15
ISD
Shutdown current
vs Input voltage
16
f(OSC)
Oscillator frequency
vs Input voltage
17
P-channel MOSFET rDS(on)
vs Input voltage
18
rDS(on)
N-channel MOSFET rDS(on)
vs Input voltage
19
IP
Inductor peak current
vs Ambient temperature
20
21, 22, 23, 24, 25, 26
Load transient response
27, 28, 29, 30, 31, 32
Line transient response
33
Combined line and load transient
34
response
PWM operation
35
Duty cycle jitter
36
Power-save mode operation
37, 38
Dynamic voltage management
39, 40
Output voltage ramp control
41
Start-up
42, 43
EFFICIENCY
EFFICIENCY
vs
vs
OUTPUT CURRENT
OUTPUT CURRENT
Figure 3.
Figure 4.
Copyright © 2006–2008, Texas Instruments Incorporated
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Product Folder Link(s): TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356


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