參數(shù)資料
型號(hào)： TL1451AQPWRG4Q1
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： GREEN, PLASTIC, TSSOP-16
文件頁數(shù)： 20/23頁
文件大?。?/td> 379K
代理商： TL1451AQPWRG4Q1
TL1451A-Q1
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SGLS304A JUNE 2005 REVISED JUNE 2008
6
www.ti.com
error-amplifier section
PARAMETER
TEST CONDITIONS
TL1451AQ
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
±7
Input offset voltage
VO (FEEDBACK) = 1.25 V
TA = 125°C
±10
mV
Input 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
Input 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
Input 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 input 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
Open-loop voltage amplification
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
Output (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
Output (source) current (FEEDBACK)
VID = 0.1 V, VO = 1.25 V
TA = MIN
15
70
A
All typical values are at TA = 25°C unless otherwise indicated.
output section
PARAMETER
TEST CONDITIONS
TL1451AQ
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Collector off-state current
VO = 50 V
10
A
TA = 25°C
1.2
2
Output saturation voltage
TA = 125°C
1.6
2.4
V
Output 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
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
1.2}
1.45
V
All typical values are at TA = 25°C unless otherwise indicated.
These parameters are not production tested.
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL1451AQPWRQ1 功能描述:DC/DC 開關(guān)控制器 Dual PWM Control Circuit RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1451C 制造商:Panasonic Industrial Company 功能描述:IC
TL1451CDB 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1451CDBR 功能描述:DC/DC 開關(guān)控制器 Dual PWM Control Circuit RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1451CDBRG4 功能描述:DC/DC 開關(guān)控制器 Dual PWM Control Circuit RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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