參數(shù)資料
型號(hào): TL1451AMDREP
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, MS-012AC, SOIC-16
文件頁(yè)數(shù): 23/25頁(yè)
文件大?。?/td> 522K
代理商: TL1451AMDREP
www.ti.com
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-EP
Dead Time 100%
tpe(1)
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
(1) Protection enable time, tpe = (0.051 x 106 x Cpe) in seconds
2.8 V TYP
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
Figure 1. Test Circuit
Figure 2. TL1451A-EP Timing
7
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