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): 2/36頁
文件大?。?/td> 950K
代理商: TL1451ACDBR
TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
10
www.ti.com
TYPICAL CHARACTERISTICS
100 k
10 k
1 k
1 M
1 k
4 k
10 k
40 k
100 k
400 k
1 M
TRIANGLE OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
CT = 150 pF
CT = 1500 pF
CT = 15000 pF
VCC = 5 V
TA = 25°C
RT – Timing Resistance –
0
–1
–2
–3
–25
0
25
50
afosc
Oscillator
Frequency
V
ariation
%
1
2
OSCILLATOR FREQUENCY VARIATION
vs
FREE-AIR TEMPERATURE
3
75
100
VCC = 3.6 V
RT = 10 k
CT = 330 pF
fosc = 200 kHz
TA – Free-Air Temperature – °C
osc
f
fosc
T
riangle
Oscillator
Frequency
Hz
osc
f
Figure 3
Figure 4
2.2
2
1.6
1.4
0.8
2.6
1.8
T
riangle
W
aveform
Swing
V
o
ltage
V
2.4
TRIANGLE WAVEFORM SWING VOLTAGE
vs
TIMING CAPACITANCE
1.2
1
VCC = 5 V
RT = 5.1 k
TA = 25°C
CT – Timing Capacitance – pF
101
102
103
104
105
T
riangle
W
aveform
Period
uS
TRIANGLE WAVEFORM PERIOD
vs
TIMING CAPACITANCE
VCC = 5 V
RT = 5.1 k
TA = 25°C
s
102
101
100
10–1
101
102
103
104
105
CT – Timing Capacitance – pF
Figure 5
Figure 6
相關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
TL1451AQDREP 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
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