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參數(shù)資料
| 型號(hào)： | TL1451AQPWRG4Q1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 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(yè)數(shù)： | 18/23頁(yè) |
| 文件大小： | 379K |
| 代理商： | TL1451AQPWRG4Q1 |
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TL1451A-Q1
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SGLS304A JUNE 2005 REVISED JUNE 2008
4
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
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage (pin 16)
IO = 1 mA
TA = 25°C
2.4
2.5
2.6
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
Input voltage regulation
VCC = 3.6 V to 40 V
TA = MIN
0.3
30
mV
TA = 25°C
1
7.5
Output voltage regulation
IO = 0.1 mA to 1 mA
TA = 125°C
0.3
14
mV
Output 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
All typical values are at TA = 25°C unless otherwise indicated.
These parameters are not production tested.
undervoltage lockout section
PARAMETER
TEST CONDITIONS
TL1451AQ
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
2.72
Upper threshold voltage (VCC)
TA = 125°C
1.7
V
Upper threshold voltage (VCC)
TA = MIN
3.15
V
TA = 25°C
2.6
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
1.5
Reset threshold voltage (VCC)
TA = 125°C
0.95
V
Reset threshold voltage (VCC)
TA = MIN
1.5
V
All typical values are at TA = 25°C unless otherwise indicated.
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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(kāi)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(kāi)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(kāi)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(kāi)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(kāi)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(kāi)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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