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UC2901-EP Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce UC2901-EP
Description  ISOLATED FEEDBACK GENERATOR
Download  9 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

UC2901-EP Fiches technique(HTML) 3 Page - Texas Instruments

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UC2901-EP
www.ti.com
SLUS709A – DECEMBER 2006 – REVISED MARCH 2010
DISSIPATION RATING TABLE - FREE-AIR TEMPERATURE
PACKAGE
AIR FLOW
TA≤25°C POWER
DERATING FACTOR
TA= 70°C POWER
TA= 85°C POWER
TA=125°C POWER
(CFM)
RATING
ABOVE TA = 25°C
RATING
RATING
RATING
D
0
1000 mW
8 mW/°C
630 mW
510 mW
180 mW
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference Section
TA = 25°C
1.485
1.5
1.515
Output voltage
V
TMIN ≤ TA ≤ TMAX
1.470
1.5
1.530
Line regulation
VIN = 4.5 to 35 V
2
10
mV
Load regulation
IOUT = 0 to 5 mA
4
10
mV
Short-circuit current
TA = 25°C
–35
–55
mA
Error Amplifier Section (To Compensation Terminal)
Input offset voltage
VCM = 1.5 V
1
4
mV
Input bias current
VCM = 1.5 V
–1
–3
mA
Input offset current
VCM = 1.5 V
0.1
1
mA
Small-signal open-loop gain
40
60
dB
CMRR
VCM = 0.5 V to 7.5 V
60
80
dB
PSRR
VIN = 5 V to 25 V
80
100
dB
Output swing,
ΔVO
0.4
0.7
V
Maximum sink current
90
150
mA
Maximum source current
–2
–3
mA
Gain bandwidth product
1
MHz
Slew rate
0.3
V/ms
Modulators/Drivers Section (From Compensation Terminal)
Voltage gain
11
12
13
dB
Output swing
±1.6
±2.8
V
Driver sink current
500
700
mA
Driver source current
–15
–35
mA
Gain bandwidth product
25
MHz
Oscillator Section
TA = 25°C
140
150
160
kHz
Initial accuracy
TMIN ≤ TA ≤ TMAX
130
170
kHz
Line sensitivity
VIN = 5 V to 35 V
0.15
0.35
%/V
Maximum frequency
RT = 10 K, CT = 10 pF
5
MHz
External clock low threshold
Pin 1 (CT) = VIN
0.5
V
External clock high threshold
Pin 1 (CT) = VIN
1.6
V
Status Indicator Section
Input voltage window
At E/A inputs, VCM = 1.5 V
±135
±150
±165
mV
Saturation voltage
E/A
Δinput = 0 V, ISINK = 1.6 mA
0.45
V
Maximum output current
Pin 13 = 3 V, E/A
Δ input = 0 V
8
15
mA
Leakage current
Pin 13 = 40 V, E/A
Δ input = 0.2 V
0.05
1
mA
Supply current
VIN = 35 V
5
8
mA
UVLO Section
Drivers-enabled threshold
At input supply VIN
3.9
4.5
V
Status output-enabled threshold
At input supply VIN
3.9
4.5
V
Change in reference output
When VIN reaches UVLO threshold
–2
–30
mV
Copyright © 2006–2010, Texas Instruments Incorporated
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