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


IR3621 Datasheet(Fiches technique) 3 Page - International Rectifier

Numéro de pièce IR3621
Description  2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER WITH OSCILLATOR SYNCHRONIZATION AND PRE-BIAS STARTUP
Télécharger  29 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo 

 
 3 page
background image
IR3621&(PbF)
3
www.irf.com
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=12V, VcH1=VcH2=VCL=12V and 0°C<Tj<125°C.
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNITS
Output Voltage Accuracy
Feedback Voltage
Accuracy
UVLO Section
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VcH1,2
UVLO Hysteresis - VcH1,2
Supply Current Section
Vcc Dynamic Supply Current
VcH1 & VcH2 Dynamic Current
VCL Dynamic Supply Current
Vcc Static Supply Current
VcH1/VcH2 Static Current
VCL Static Supply Current
MLPQ
TSSOP
Supply Ramping Up
Supply Ramp Up and Down
Supply Ramping Up
Supply Ramp Up and Down
Freq=300kHz, CL=1500pF
Freq=300kHz, CL=1500pF
Freq=300kHz, CL=1500pF
SS=0V
SS=0V
SS=0V
0.80
1
0.75
10
15
15
10
6
6
V
%
%
%
%
%
%
V
V
V
V
mA
mA
mA
mA
mA
mA
VFb1 , VFb2
UVLOVCC
UVLOVCH1,2
Dyn ICC
Dyn ICH
Dyn ICL
ICCQ
ICHQ
ICLQ
-1
-1.35
-2.5
-1.35
-1.65
-3.0
4.7
3.5
+1
+1.35
+1.35
+1.35
+1.65
+1.65
5.3
4.0
15
25
25
15
10
10
28
0.9VREF
0.1
-0.1
100
0
1.25
300
µA
V
V
V
µA
µmho
µmho
µA
mV
V
kHz
V
%
ns
%
kHz
ns
V
V
SSIB
SD
PGFB1,2L
PG(Voltage)
IFB1,2
gm1
gm2
I(E/A)1,2
VOS(ERR)
VP2
Freq
VRAMP
Dmin
Puls(ctrl)
Dmax
Sync(Fs)
Sync(puls)
Sync(H)
Sync(L)
22
0.8VREF
1400
1400
60
-4
0.4
255
150
86.5
200
2
35
0.25
0.95VREF
0.5
-0.5
2500
2500
140
+4
Vcc-2
345
0
1200
0.6
Soft-Start / SD Section
Charge Current
Shutdown Threshold
Power Good Section
VSENS1,2 Lower Trip Point
PGood Output Low Voltage
Error Amp Section
Fb Voltage Input Bias Current
Transconductance 1
Transconductance 2
Error Amp Source/Sink Current
Input Offset Voltage for E/A1,2
VP2 Voltage Range
Oscillator Section
Frequency
Ramp Amplitude
Min Duty Cycle
Min Pulse Width
Max Duty Cycle
Synch Frequency Range
Synch Pulse Duration
Synch High Level Threshold
Synch Low Level Threshold
SS=0V
VSENS1,2 Ramping Down
ISINK=2mA
SS=3V
Fb1,2 to VREF
Note2
Rt(SET) to 30.9K
Note2
Fb=1V
FSW=300kHz, Note2
Fb=0.6V, FSW=200kHz
20% above free running freq
Note1: Cold temperature performance is guaranteed via correlation using statistical quality control. Not 100% tested in production.
Tj=25°C
-40°C <Tj< 125°C
0°C <Tj< 125°C
0°C <Tj< 125°C
-40°C <Tj< 125°C
Tj=25°C




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 


Datasheet Download



Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
RT9205Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller 1 2 3 4 5 MoreRichtek Technology Corporation
CS5421Dual Out−of−Phase Synchronous Buck Controller with Remote Sense 1 2 3 4 5 MoreON Semiconductor
ISL6322Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10 VR11 and AMD Applications 1 2 3 4 5 MoreIntersil Corporation
CS5422Dual Out−of−Phase Synchronous Buck Controller with Current Limit 1 2 3 4 5 MoreON Semiconductor
ISL6327Enhanced 6-Phase PWM Controller with 8-Bit VID Code and Differential Inductor DCR or Resistor Current Sensing 1 2 3 4 5 MoreIntersil Corporation
MAX66392-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller 1 2 3 4 5 MoreMaxim Integrated Products
CS51220Feed Forward Voltage Mode PWM Controller with Programmable Synchronization 1 2 3 4 5 MoreON Semiconductor
ADP1822PWM Step-Down DC-to-DC Controller with Margining and Tracking 1 2 3 4 5 MoreAnalog Devices
MAX33253V Dual RS-232 Transceiver with LCD Supply and Contrast Controller 1 2 3 4 5 MoreMaxim Integrated Products
SC1176Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry 1 2 3 4 5 MoreSemtech Corporation

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