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TL1451A-EP 数据表(PDF) 4 Page - Texas Instruments

部件名 TL1451A-EP
功能描述  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Download  26 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL1451A-EP 数据表(HTML) 4 Page - Texas Instruments

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Undervoltage Lockout Section Electrical Characteristics
Short-Circuit Protection Control Section Electrical Characteristics
Oscillator Section Electrical Characteristics
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
over recommended operating free-air temperature range, V
CC = 6 V, f = 200 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
TA = 25°C
2.72
Upper threshold voltage (VCC)
TA = 125°C
1.7
V
TA = MIN
3.15
TA = 25°C
2.6
Lower threshold voltage (VCC)
TA = 125°C
1.65
V
TA = MIN
3.09
TA = 25°C
80
120
Hysteresis (VCC)
TA = 125°C
10
50
mV
TA = MIN
10
60
TA = 25°C
1.5
Reset threshold voltage (VCC)
TA = 125°C
0.95
V
TA = MIN
1.5
(1)
All typical values are at TA = 25°C, unless otherwise indicated.
over recommended operating free-air temperature range, V
CC = 6 V, f = 200 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
TA = 25°C
650
700
750
Input threshold voltage (SCP)
TA = 125°C
400
478
650
mV
TA = MIN
800
880
950
Standby voltage (SCP)
140
185
230
mV
TA = 25°C
60
120
Latched input voltage (SCP)
TA = 125°C
70
120
mV
TA = MIN
60
120
Equivalent timing resistance
170
k
Comparator threshold voltage (FEEDBACK)
1.18
V
(1)
All typical values are at TA = 25°C, unless otherwise indicated.
over recommended operating free-air temperature range, V
CC = 6 V, f = 200 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX
UNIT
TA = 25°C
200
CT = 330 pF,
Frequency
TA = 125°C
195
kHz
RT = 10 kΩ
TA = MIN
193
Standard deviation of frequency
CT = 330 pF,
RT = 10 kΩ
2%
TA = 25°C
1%
Frequency change with voltage
VCC = 3.6 V to 40 V
TA = 125°C
1%
TA = MIN
3%
Frequency change with temperature
1.37%
±10%(2)
(1)
All typical values are at TA = 25°C, unless otherwise indicated.
(2)
These parameters are not production tested.
4


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