參數(shù)資料
型號： TL1451ACPWR
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)： 33/36頁
文件大小： 950K
代理商： TL1451ACPWR
TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
6
www.ti.com
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 200 kHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
O tp t oltage (pin 16)
I1 mA
TA = 25°C
2.40
2.50
2.60
V
Output voltage (pin 16)
IO = 1 mA
TA = MIN and 125°C
2.35
2.46
2.65
V
Output voltage change with temperature
–0.63%
*
±4%
TA = 25°C
2.0
12.5
Input voltage regulation
VCC = 3.6 V to 40 V
TA = 125°C
0.7
15
mV
In ut voltage regulation
VCC 3.6 V to 40 V
TA = MIN
0.3
30
mV
TA = 25°C
1.0
7.5
Output voltage regulation
IO = 0.1 mA to 1 mA
TA = 125°C
0.3
14
mV
Out ut voltage regulation
IO 0.1 mA to 1 mA
TA = MIN
0.3
20
mV
Short-circuit output current
VO = 0
3
10
30
mA
*These parameters are not production tested.
All typical values are at TA = 25°C unless otherwise indicated.
undervoltage lockout section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
2.72
Upper threshold voltage (VCC)
TA = 125°C
1.70
V
Uer threshold voltage (VCC)
TA = MIN
3.15
V
TA = 25°C
2.60
Lower threshold voltage (VCC)
TA = 125°C
1.65
V
Lower threshold voltage (VCC)
TA = MIN
3.09
V
TA = 25°C
80
120
Hysteresis (VCC)
TA = 125°C
10
50
mV
Hysteresis (VCC)
TA = MIN
10
60
mV
TA = 25°C
1.50
Reset threshold voltage (VCC)
TA = 125°C
0.95
V
g( CC)
TA = MIN
1.50
All typical values are at TA = 25°C unless otherwise indicated.
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
TL1451ACPWR/1 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1451ACPWR/1A 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
TL1451ACPWRG4 功能描述:DC/DC 開關控制器 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 安裝風格: 封裝 / 箱體:CPAK
TL1451AD 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
TL1451ADB 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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