Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

TPS54232 Fiches technique(PDF) 7 Page - Texas Instruments

No de pièce TPS54232
Description  TPS54232 2-A, 28-V, 1-MHz, Step-Down DC-DC Converter With Eco-Mode?
Download  31 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS54232 Fiches technique(HTML) 7 Page - Texas Instruments

Back Button TPS54232_15 Datasheet HTML 3Page - Texas Instruments TPS54232_15 Datasheet HTML 4Page - Texas Instruments TPS54232_15 Datasheet HTML 5Page - Texas Instruments TPS54232_15 Datasheet HTML 6Page - Texas Instruments TPS54232_15 Datasheet HTML 7Page - Texas Instruments TPS54232_15 Datasheet HTML 8Page - Texas Instruments TPS54232_15 Datasheet HTML 9Page - Texas Instruments TPS54232_15 Datasheet HTML 10Page - Texas Instruments TPS54232_15 Datasheet HTML 11Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 7 / 31 page
background image
TPS54232
www.ti.com
SLVS876D – NOVEMBER 2008 – REVISED NOVEMBER 2014
7.5 Electrical Characteristics
TJ = –40°C to 150°C, VIN = 3.5V to 28V (unless otherwise noted)
DESCRIPTION
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE (VIN PIN)
Internal undervoltage lockout threshold
Rising and Falling
3.5
V
Shutdown supply current
EN = 0V, VIN = 12V, –40°C to 85°C
1
4
μA
Operating – non switching supply current
VSENSE = 0.85 V
85
120
μA
ENABLE AND UVLO (EN PIN)
Enable threshold
Rising and Falling
1.25
1.35
V
Input current
Enable threshold – 50 mV
-1
μA
Input current
Enable threshold + 50 mV
-4
μA
VOLTAGE REFERENCE
Voltage reference
0.772
0.8
0.828
V
HIGH-SIDE MOSFET
BOOT-PH = 3 V, VIN = 3.5 V
115
200
On resistance
m
BOOT-PH = 6 V, VIN = 12 V
80
150
ERROR AMPLIFIER
Error amplifier transconductance (gm)
–2
μA < I(COMP) < 2 μA, V(COMP) = 1 V
92
μmhos
Error amplifier DC gain(1)
VSENSE = 0.8 V
800
V/V
Error amplifier unity gain bandwidth(1)
5 pF capacitance from COMP to GND pins
2.7
MHz
Error amplifier source/sink current
V(COMP) = 1.0 V, 100 mV overdrive
±7
μA
Switch current to COMP transconductance
VIN = 12 V
10
A/V
PULSE-SKIPPING ECO-MODE
Pulse-skipping Eco-Mode switch current threshold
100
mA
CURRENT LIMIT
Current limit threshold
VIN = 12 V
2.3
4.9
A
THERMAL SHUTDOWN
Thermal Shutdown
165
°C
SLOW START (SS PIN)
Charge current
V(SS) = 0.4 V
2
μA
SS to VSENSE matching
V(SS) = 0.4 V
10
mV
(1)
Specified by design
7.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TPS54232 Switching Frequency
VIN = 12V, 25°C
800
1000
1200
kHz
Minimum controllable on time
VIN = 12V, 25°C
110
135
ns
Maximum controllable duty ratio(1)
BOOT-PH = 6 V
90%
93%
(1)
Specified by design
Copyright © 2008–2014, Texas Instruments Incorporated
Submit Documentation Feedback
7
Product Folder Links: TPS54232


Numéro de pièce similaire - TPS54232_15

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
TPS54232D TI-TPS54232D Datasheet
945Kb / 24P
[Old version datasheet]   2A, 28V, 1MHz, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-MODE?
TPS54232DR TI-TPS54232DR Datasheet
945Kb / 24P
[Old version datasheet]   2A, 28V, 1MHz, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-MODE?
More results

Description similaire - TPS54232_15

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
TPS54332 TI-TPS54332_15 Datasheet
1Mb / 34P
[Old version datasheet]   TPS54332 3.5-A, 28-V, 1-MHz, Step-Down DC-DC Converter With Eco-Mode?
TPS54231 TI1-TPS54231_16 Datasheet
767Kb / 31P
[Old version datasheet]   2-A, 28-V Input, Step-Down DC-DC Converter With Eco-mode
TPS54233-Q1 TI1-TPS54233-Q1 Datasheet
782Kb / 25P
[Old version datasheet]   2-A, 28-V INPUT, STEP-DOWN DC/DC CONVERTER WITH ECO-MODE?
TPS54231 TI-TPS54231_15 Datasheet
667Kb / 31P
[Old version datasheet]   TPS54231 2-A, 28-V Input, Step-Down DC-DC Converter With Eco-mode?
TPS54331 TI-TPS54331_15 Datasheet
1Mb / 36P
[Old version datasheet]   TPS54331 3-A, 28-V Input, Step Down DC-DC Converter With Eco-mode?
TPS54331 TI1-TPS54331_16 Datasheet
1Mb / 36P
[Old version datasheet]   TPS54331 3-A, 28-V Input, Step Down DC-DC Converter With Eco-mode
TPS54331-Q1 TI1-TPS54331-Q1 Datasheet
1Mb / 27P
[Old version datasheet]   3-A, 28-V INPUT, STEP-DOWN SWIFT??DC/DC CONVERTER WITH Eco-Mode?
TPS54531 TI-TPS54531_15 Datasheet
1Mb / 32P
[Old version datasheet]   TPS54531 5-A, 28-V Input, Step-Down SWIFT??DC-DC Converter With Eco-mode?
TPS54540-Q1 TI1-TPS54540-Q1_15 Datasheet
2Mb / 44P
[Old version datasheet]   Step-Down DC-DC Converter With Eco-mode
TPS54040A TI-TPS54040A_15 Datasheet
2Mb / 52P
[Old version datasheet]   0.5 A, 42 V Step Down DC/DC Converter with Eco-mode?
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com