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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)： | 21/23頁 |
| 文件大小： | 379K |
| 代理商： | TL1451AQPWRG4Q1 |
TL1451A-Q1
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SGLS304A JUNE 2005 REVISED JUNE 2008
7
www.ti.com
total device
PARAMETER
TEST CONDITIONS
TL1451AQ
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 unless otherwise indicated.
PARAMETER MEASUREMENT INFORMATION
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
S1
CPE
0.47
F
Test
Input
VCC = 5 V
RL
4.7 k
4.7 k
RL
OUT1
OUT2
CT
330 pF
RT
10 k
Test
Input
TL1451A
Figure 1. Test Circuit
Dead Time 100%
tpe
2.0 V
1.6 V
1.4 V
1.25 V
H
L
H
L
0.6 V
0 V
H
L
3.6 V
0 V
Oscillator Triangle Waveform
Error Amplifier Output
Dead-Time Input Voltage
Short-Circuit Protection
Comparator Input Voltage
PWM Comparator Output Voltage
Output Transistor Collector
Waveform
Protection Enable
Terminal Waveform
Short-Circuit Protection
Comparator Output
Power Supply Voltage
Protection Enable Time, tpe = (0.051 x 106 x Cpe) in seconds
2.8 V TYP
Figure 2. TL1451A Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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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