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TPS62401DRCRG4 Fiches technique(PDF) 7 Page - Texas Instruments

No de pièce TPS62401DRCRG4
Description  2.25MHz 400mA/600mA Dual Step-Down Converter In Small 3x3mm QFN Package
Download  44 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62401DRCRG4 Fiches technique(HTML) 7 Page - Texas Instruments

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background image
SW1
FB1
SW2
ADJ2
DEF_1
VIN2.5V – 6V
VIN
EN_1
EN_2
MODE/
DATA
TPS62400
GND
L
C
10 F
IN
m
R11
R12
1
2.2 H
LSP4018
m
VOUT1
C
2x10 F
GRM21BR61A106K
OUT1
m
VOUT2
R21
R22
L2
C ff2
33pF
2.2 H
LSP4018
m
C
2x10 F
GRM21BR61A106K
OUT2
m
TPS62400, TPS62401
TPS62402, TPS62403, TPS62404
www.ti.com
SLVS681E – JUNE 2006 – REVISED APRIL 2010
PARAMETER MEASUREMENT INFORMATION
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS AND FIGURES
FIGURE NO.
Efficiency TPS62401 VOUT1 = 1.1V
1
Efficiency TPS62401 VOUT1 = 1.575V
2
Efficiency VOUT 2 = 1.8V
3
Efficiency TPS62400 VOUT2 = 3.3V
4
Efficiency TPS62402
5
Efficiency TPS62403
6
Efficiency TPS62404
7
Efficiency
vs VIN
8,9
DC Output Accuracy VOUT1 = 1.1V
10
DC Output Accuracy VOUT2 = 3.3V
11
DC Output Accuracy VOUT2 = 1.8V
12
DC Output Accuracy VOUT1 1.575V, L = 2.2mH, COUT = 22mF
13
DC Output Accuracy VOUT1 1.575V, L = 3.3mH, COUT = 10mF
14
FOSC
vs VIN
15
Iq for one converter
16
Iq for both converters, not switching
17
RDSON PMOS
vs VIN
18
RDSON NMOS
vs VIN
19
Light Load Output Voltage Ripple in Power Save Mode
20
Output Voltage Ripple in Forced PWM Mode
21
Output Voltage Ripple in PWM Mode
22
Forced PWM/ PFM Mode Transition
23
Load Transient Response PFM/PWM
24
Load Transient Response PWM Operation
25
Line Transient Response
26
Startup Timing One Converter
27
Copyright © 2006–2010, Texas Instruments Incorporated
Submit Documentation Feedback
7
Product Folder Link(s): TPS62400 TPS62401 TPS62402 TPS62403 TPS62404


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