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

X  

UC494AAC Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce UC494AAC
Description  Advanced Regulating Pulse Width Modulators
Download  5 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

UC494AAC Fiches technique(HTML) 3 Page - Texas Instruments

  UC494AAC Datasheet HTML 1Page - Texas Instruments UC494AAC Datasheet HTML 2Page - Texas Instruments UC494AAC Datasheet HTML 3Page - Texas Instruments UC494AAC Datasheet HTML 4Page - Texas Instruments UC494AAC Datasheet HTML 5Page - Texas Instruments  
Zoom Inzoom in Zoom Outzoom out
 3 / 5 page
background image
ELECTRICAL CHARACTERISTICS:
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
Deadtime Control Section (cont.) (Output Control Connected to VREF)
Input Threshold Voltage (Pin 4)
Zero Duty-Cycle
3
3.3
V
Maximum Duty-Cycle
0
V
Amplifier Section
Input Offset Voltage
VO (PIN 3) = 2.5V
2
10
mV
Input Offset Current
VO (PIN 3) =2.5V
25
250
nA
Input Bias Current
VO (PIN 3) = 2.5V
-0.2
-1
µA
Common-Mode Input Voltage Range
VCC = 7V to 40V
.03 to
VCC -2
V
Open Loop Voltage Gain
∆VO = 3V, VO = 0.5V to 3.5 V
70
95
dB
Unity Gain Bandwidth
800
kHz
Common-Mode Rejection Ratio
VCC = 40V, TA = 25
°C65
80
dB
Output Sink Current (Pin 3)
VID = -15mV to -5V, V(PIN 3) = 0.7V
0.3
0.7
mA
Output Source Current (Pin 3)
VID = 15mV to 5V, V(PIN 3) = 3.5V
-2
mA
Output Section
Collector Off-State Current
VCE = 40V, VCC = 40V
2
100
µA
Emitter Off-State Current
VCC = VC = 40V, VE = 0
-100
µA
Collector - Emitter
Saturation Voltage
Common-Emitter
VE = 0, IC = 200mA
1.1
1.3
V
Emitter-Follower
VC = 15V, IE = -200mA
1.5
2.5
V
Output Control Input Current
VI = VREF
3.5
mA
PWM Comparator Section
Input Threshold Voltage (Pin 3)
Zero Duty-Cycle
4
4.5
V
Input Sink Current (Pin 3)
V(PIN 3) = 0.7V
0.3
0.7
mA
Steering Control (UC495A, See Function Table)
Input Current
V(PIN 13) = 0.4V, Q1 ACTIVE
-200
µA
V(PIN 13) = 2.4V, Q2 ACTIVE
300
µA
Deadband
500
mV
Zener Diode Circuit (UC495A)
Breakdown Voltage
VCC = 45V, IZ = 2mA
36
39
45
V
Sink Current
V(PIN 15) = 1V
0.2
0.3
0.6
mA
Total Device
Standby Supply Current
Pin 6 at VREF, All other inputs and
outputs open
VCC = 15V
6
10
mA
VCC = 40V
9
15
mA
Under Voltage Lockout
3.5
6.5
V
Hysteresis
300
mV
Switching Characteristics (TA = 25
°C)
Output Voltage Rise Time
Common-Emitter Configuration
100
200
ns
Output Voltage Fall Time
RL = 68
Ω, CL = 15pF
25
100
ns
Output Voltage Rise Time
Emitter-Follower Configuration
100
200
ns
Output Voltage Fall Time
RL = 68
Ω, CL=15pF
40
100
ns
Note 1: Duration of the short circuit should not exceed one second.
Note 2: Frequency for other values of CT and RT is approximately f
=
1.1
RTCT
Note 3: Standard deviation is a measure of the statistical distribution about the mean as derived from the formula:
σ
=
√nΣ(XnX)2
n
= 1
n
1
.
UC494A/AC
UC495A/AC
Unless otherwise stated, over recommended operating free-air temperature range,
VCC = 15V, f = 10kHz, TA = TJ.
3


Numéro de pièce similaire - UC494AAC

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
UC494AAC TI-UC494AAC Datasheet
366Kb / 5P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
More results

Description similaire - UC494AAC

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
UC1524A TI1-UC1524A_16 Datasheet
3Mb / 17P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC1524 TI-UC1524 Datasheet
326Kb / 8P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC494ACN TI-UC494ACN Datasheet
366Kb / 5P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC1524A TI-UC1524A_08 Datasheet
3Mb / 16P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC1524A TI-UC1524A Datasheet
365Kb / 8P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC494A TI-UC494A Datasheet
473Kb / 5P
[Old version datasheet]   Advanced Regulating Pulse Width Modulators
UC3524NG4 TI-UC3524NG4 Datasheet
802Kb / 18P
[Old version datasheet]   ADVANCED REGULATING PULSE WIDTH MODULATORS
logo
Seme LAB
IP1524 SEME-LAB-IP1524 Datasheet
59Kb / 6P
   REGULATING PULSE WIDTH MODULATORS
IP1525A SEME-LAB-IP1525A Datasheet
63Kb / 6P
   REGULATING PULSE WIDTH MODULATORS
logo
STMicroelectronics
SG2524 STMICROELECTRONICS-SG2524 Datasheet
93Kb / 9P
   REGULATING PULSE WIDTH MODULATORS
More results


Html Pages

1 2 3 4 5


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