參數(shù)資料
型號： TL1451ACDB
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, SSOP-16
文件頁數(shù)： 35/36頁
文件大?。?/td> 950K
代理商： TL1451ACDB
TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
8
www.ti.com
error-amplifier section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
±6
Input offset voltage
VO (FEEDBACK) = 1.25 V
TA = 125°C
±10
mV
In ut offset voltage
VO (FEEDBACK) 1.25 V
TA = MIN
±12
mV
TA = 25°C
±100
Input offset current
VO (FEEDBACK) = 1.25 V
TA = 125°C
±100
nA
In ut offset current
VO (FEEDBACK) 1.25 V
TA = MIN
±200
nA
TA = 25°C
160
500
Input bias current
VO (FEEDBACK) = 1.25 V
TA = 125°C
100
500
nA
In ut bias current
VO (FEEDBACK) 1.25 V
TA = MIN
142
700
nA
1.05
Common-mode input voltage range
VCC = 3.6 V to 40 V
1.05
to
V
Common mode in ut voltage range
VCC = 3.6 V to 40 V
to
1.45
V
TA = 25°C
70
80
Open-loop voltage amplification
RF = 200 k
TA = 125°C
70
80
dB
O en loo voltage am lification
RF 200 k
TA = MIN
64
80
dB
Unity-gain bandwidth
1.5
MHz
Common-mode rejection ratio
60
80
dB
Positive output voltage swing
2
V
Negative output voltage swing
1
V
TA = 25°C
0.5
1.6
Output (sink) current (FEEDBACK)
VID = –0.1 V, VO = 1.25 V
TA = 125°C
0.4
1.8
mA
Out ut (sink) current (FEEDBACK)
VID
0.1 V, VO 1.25 V
TA = MIN
0.3
1.7
mA
TA = 25°C
–45
–70
Output (source) current (FEEDBACK)
VID = 0.1 V, VO = 1.25 V
TA = 125°C
–25
–50
A
()
(
)
ID
,
O
TA = MIN
–15
–70
All typical values are at TA = 25°C unless otherwise indicated.
output section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Collector off-state current
VO = 50 V
10
A
TA = 25°C
1.20
2.0
Output saturation voltage
TA = 125°C
1.60
2.4
V
Out ut saturation voltage
TA = MIN
1.36
2.2
V
Short-circuit output current
VO = 6 V
90
mA
All typical values are at TA = 25°C unless otherwise indicated.
pwm comparator section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input threshold voltage at f
10 kHz (FEEDBACK)
Zero duty cycle
2.05
*2.25
V
Input threshold voltage at f = 10 kHz (FEEDBACK)
Maximum duty cycle
*1.20
1.45
V
*These parameters are not production tested.
All typical values are at TA = 25°C unless otherwise indicated.
相關PDF資料
PDF描述
TL1451AMFK 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20
TL1451ACDR 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451AQDREP 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451ACD 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451AMJ 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP16
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