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

X  

TPS51225C Fiches technique(PDF) 6 Page - Texas Instruments

Click here to check the latest version.
No de pièce TPS51225C
Description  Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
Download  31 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS51225C Fiches technique(HTML) 6 Page - Texas Instruments

Back Button TPS51225C Datasheet HTML 2Page - Texas Instruments TPS51225C Datasheet HTML 3Page - Texas Instruments TPS51225C Datasheet HTML 4Page - Texas Instruments TPS51225C Datasheet HTML 5Page - Texas Instruments TPS51225C Datasheet HTML 6Page - Texas Instruments TPS51225C Datasheet HTML 7Page - Texas Instruments TPS51225C Datasheet HTML 8Page - Texas Instruments TPS51225C Datasheet HTML 9Page - Texas Instruments TPS51225C Datasheet HTML 10Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 31 page
background image
TPS51225, TPS51225B, TPS51225C
SLUSAV0B – JANUARY 2012 – REVISED SEPTEMBER 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, VVIN= 12 V, VVO1= 5 V, VVFB1= VVFB2= 2 V, VEN1= VEN2= 3.3 V (unless otherwise
noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
OUTPUT DISCHARGE
TA = 25°C, VVO1 = 0.5 V
RDIS1
CH1 discharge resistance
35
Ω
VEN1 = VEN2 = 0 V
TA = 25°C, VSW2 = 0.5 V
RDIS2
CH2 discharge resistance
75
Ω
VEN1 = VEN2 = 0 V
RDIS2
CH2 discharge resistance
TA = 25°C, VSW2 = 0.5 V, VEN1 = VEN2 = 0 V (TPS51225C)
70
Ω
SOFT START OPERATION
tSS
Soft-start time
From ENx="Hi" and VVREG5 > VUVLO5 to VOUT = 95%
0.91
ms
tSSRAMP
Soft-start time (ramp-up)
VOUT= 0% to VOUT = 95%, VVREG5 = 5 V
0.78
ms
POWER GOOD
Lower (rising edge of PG-in)
92.5%
95.0%
97.5%
Hysteresis
5%
VPGTH
PG threshold
Upper (rising edge of PG-out)
107.5% 110.0% 112.5%
Hysteresis
5%
IPGMAX
PG sink current
VPGOOD = 0.5 V
6.5
mA
IPGLK
PG leak current
VPGOOD = 5.5 V
1
µA
tPGDEL
PG delay
From PG lower threshold (95%=typ) to PG flag high
0.7
ms
CURRENT SENSING
ICS
CS source current
TA = 25°C, VCS= 0.4 V
9
10
11
μA
TCCS
CS current temperature coefficient(1)
On the basis of 25°C
4500
ppm/°C
VCS
CS Current limit setting range
0.2
2
V
VZC
Zero cross detection offset
TA = 25°C
–1
1
3
mV
LOGIC THRESHOLD
VENX(ON)
EN threshold high-level
SMPS on level
1.6
V
VENX(OFF)
EN threshold low-level
SMPS off level
0.3
V
IEN
EN input current
VENx= 3.3 V
–1
1
µA
OUTPUT OVERVOLTAGE PROTECTION
VOVP
OVP trip threshold
112.5% 115.0% 117.5%
tOVPDLY
OVP propagation delay
TA = 25°C
0.5
µs
OUTPUT UNDERVOLTAGE PROTECTION
VUVP
UVP trip Threshold
55%
60%
65%
tUVPDLY
UVP prop delay
250
µs
tUVPENDLY
UVP enable delay
From ENx ="Hi", VVREG5 = 5 V
1.35
ms
UVLO
Wake up
4.58
V
VUVL0VIN
VIN UVLO Threshold
Hysteresis
0.5
V
Wake up
4.38
V
VUVLO5
VREG5 UVLO Threshold
Hysteresis
0.4
V
Wake up
3.15
V
VUVLO3
VREG3 UVLO Threshold
Hysteresis
0.15
V
OVER TEMPERATURE PROTECTION
Shutdown temperature
155
TOTP
OTP threshold(1)
°C
Hysteresis
10
(1)
Ensured by design. Not production tested.
6
Submit Documentation Feedback
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links :TPS51225 TPS51225B TPS51225C


Numéro de pièce similaire - TPS51225C

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
TPS51225C TI1-TPS51225C Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51225C TI1-TPS51225C Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller
TPS51225CRUKR TI1-TPS51225CRUKR Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51225CRUKR TI1-TPS51225CRUKR Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller
TPS51225CRUKT TI1-TPS51225CRUKT Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
More results

Description similaire - TPS51225C

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
TPS51275 TI1-TPS51275_17 Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51275 TI-TPS51275_13 Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51275 TI1-TPS51275 Datasheet
1Mb / 28P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51225 TI1-TPS51225 Datasheet
1Mb / 31P
[Old version datasheet]   Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs
TPS51275B-1 TI-TPS51275B-1_15 Datasheet
1Mb / 31P
[Old version datasheet]   TPS51275B-1 Dual Synchronous, Step-Down Controller With 5-V and 3.3-V LDOs
logo
Vishay Siliconix
SI9130DB VISHAY-SI9130DB Datasheet
157Kb / 4P
   5- and 3.3-V Step-Down Synchronous Converters
10-Feb-97
logo
Analog Devices
ADP2325 AD-ADP2325 Datasheet
853Kb / 32P
   Dual 5 A, 20 V Synchronous Step-Down
REV. 0
logo
Texas Instruments
TPS51285A TI1-TPS51285A_16 Datasheet
1Mb / 29P
[Old version datasheet]   Ultra-Low Quiescent (ULQ) Dual Synchronous Step-Down Controller with 5V and 3.3V LDOs
TPS51285A TI-TPS51285A Datasheet
1Mb / 32P
[Old version datasheet]   Ultra-Low Quiescent (ULQ?? Dual Synchronous Step-Down Controller with 5V and 3.3V LDOs
logo
Richtek Technology Corp...
RT6575C RICHTEK-RT6575C Datasheet
282Kb / 22P
   Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs
November 2020
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