Moteur de recherche de fiches techniques de composants électroniques
Selected language     French  ▼
Nom de la pièce
         Description


SC4620 Datasheet(Fiches technique) 3 Page - Semtech Corporation

Numéro de pièce SC4620
Description  Low Input Voltage, High Efficiency, 2.5A Integrated FET Synchronous Step down DC/DC Regulator
Télécharger  19 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo 

 
 3 page
background image
3
 2007 Semtech Corp.
www.semtech.com
SC4620
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the
Electrical Characteristics section is not implied.
Electrical Characteristics
Absolute Maximum Ratings
Unless otherwise specified, V
IN= VCC=SYNC/EN=3.3V, ROSC=51.1KΩ, RISET=27.4KΩ, TA = -40°C to 85°C
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Power Supply
Start Threshold Voltage, UVLO
V
IUV
V
IN Rising
2
2.25
V
Hysteresis Voltage, UVLO
V
IUVHY
120
mV
Supply Current, Shutdown
I
SD
V
SYNC = 0V
0.2
1
µA
Supply Current, Operating
I
Qswitching
FB = COMP, No Load
7
10
mA
I
QL
FB = 0.6V, No Load
3.5
7
mA
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Power Supply
Input Voltage Operating Range
V
IN
2.3
5.5
V
Ambient Temperature Range
T
A
-40
85
°C
Junction Temperature
T
J
-40
125
°C
Max. Output Current
I
OUTMAX
0
2.5
A
Recommended Operating Conditions
The Performance is not guarantied if exceeding the specifications below.
Parameter
Symbol
Maximum
Units
Supply Voltage
PV
IN, VCC
-0.3 to 6
V
PVIN to VCC
+/- 0.3
V
FB, COMP, ISET, SYNC/EN, FS, SS, PGOOD to AGND
-0.3 to VCC+ 0.3
V
PGND to AGND
+/- 0.3
V
PHASE Voltage to PGND
V
PHASE
-0.3 to PVIN+ 0.3
V
PHASE Pulse Voltage to PGND Tpulse < 50ns
V
PHASE
-3 to PVIN+ 2
V
Storage Temperature Range
T
STG
-40 to 150
°C
Junction Temperature
T
J
150
°C
IR Reflow Temperature
T
P
260
°C




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19 


Datasheet Download



Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
SC4624Low Input Voltage High Efficiency 4A Integrated FET Synchronous Step down DC/DC Regulator 1 2 3 4 5 MoreSemtech Corporation
SC4605Low Input High Efficiency Synchronous Step Down Controller 1 2 3 4 5 MoreSemtech Corporation
SC4601Low Input High Efficiency Synchronous Step Down Controller 1 2 3 4 5 MoreSemtech Corporation
RJK6014DPPSilicon N Channel MOS FET High Speed Power Switching 1 2 3 4 Renesas Technology Corp
L6926_06High efficiency monolithic synchronous step down regulator 1 2 3 4 5 MoreSTMicroelectronics
L6928High efficiency monolithic synchronous step down regulator 1 2 3 4 5 MoreSTMicroelectronics
SC4609Low Input MHz Operation High Efficiency Synchronous Buck 1 2 3 4 5 MoreSemtech Corporation
A8447High Voltage Step Down Regulator 1 2 3 4 5 MoreAllegro MicroSystems
SC4603Very Low Input MHz Operation High Efficiency Synchronous Buck 1 2 3 4 5 MoreSemtech Corporation
LTC3822No RSENSETM Low Input Voltage Synchronous Step-Down DC/DC Controller 1 2 3 4 5 MoreLinear Technology

Lien URL

AllDATASHEET vous a-t-il été utile ?   [ DONATE ]  

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


Mirror Sites
English : Alldatasheet.com  , 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