參數(shù)資料
型號： TL1451ACDBR
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, SSOP-16
文件頁數(shù)： 32/36頁
文件大?。?/td> 950K
代理商： TL1451ACDBR
TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
5
www.ti.com
dead-time control section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input bias current (DTC)
1
A
Latch mode (source) current (DTC)
TA = 25°C
–80
–145
A
Latched input voltage (DTC)
IO = 40 A
2.3
V
Input threshold voltage at f
10 kHz (DTC)
Zero duty cycle
2.05
2.25
V
Input threshold voltage at f = 10 kHz (DTC)
Maximum duty cycle
1.2
1.45
V
All typical values are at TA = 25°C.
error-amplifier section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input offset voltage
VO (FEEDBACK) = 1.25 V
±6
mV
Input offset current
VO (FEEDBACK) = 1.25 V
±100
nA
Input bias current
VO (FEEDBACK) = 1.25 V
160
500
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
Open-loop voltage amplification
RF = 200 k
70
80
dB
Unity-gain bandwidth
1.5
MHz
Common-mode rejection ratio
60
80
dB
Positive output voltage swing
Vref–0.1
V
Negative output voltage swing
1
V
Output (sink) current (FEEDBACK)
VID = –0.1 V,
VO = 1.25 V
0.5
1.6
mA
Output (source) current (FEEDBACK)
VID = 0.1 V,
VO = 1.25 V
–45
–70
A
All typical values are at TA = 25°C.
output section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Collector off-state current
VO = 50 V
10
A
Output saturation voltage
IO = 10 mA
1.2
2
V
Short-circuit output current
VO = 6 V
90
mA
All typical values are at TA = 25°C.
pwm comparator section
PARAMETER
TEST CONDITIONS
TL1451AC
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.
total device
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Standby supply current
Off-state
1.3
1.8
mA
Average supply current
RT = 10 k
1.7
2.4
mA
All typical values are at TA = 25°C.
相關(guān)PDF資料
PDF描述
TL1451ACPWG4 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451ACDB 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL1451ACDBRG4 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range 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
TL1451ACDG4 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range 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
TL1451ACDR 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range 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
TL1451ACDRG4 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range 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
TL1451ACN 功能描述:DC/DC 開關(guān)控制器 Dual ch PWM Ctlr 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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