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): 8/25頁(yè)
文件大小: 522K
代理商: TL1451AMDREP
www.ti.com
Phase Shift
(Right Scale)
Closed-Loop Gain
(Left Scale)
VCC = 5 V
Cref = 470 pF
TA = 25°C
50
30
20
0
70
40
100
1 k
10 k
100 k
1 M
Closed-Loop
Gain
dB
60
f Frequency Hz
10
0
°
10
°
20
°
30
°
40
°
50
°
60
°
70
°
80
°
90
°
Phase
Shift
Cref
Vref
39 k
39 k
+
Test Circuit
60
40
20
0
5
10
Output
Sink
Current
mA
80
100
Collector Output Saturation Voltage V
120
15
20
110
90
70
50
30
10
TA = 20°C
TA = 25°C
VCC = 3.6 V
TA = 85°C
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
TYPICAL CHARACTERISTICS (continued)
Figure 22. Closed-Loop Gain and Phase Shift vs Frequency
Figure 23. Output Sink Current vs Collector Output Saturation Voltage
16
相關(guān)PDF資料
PDF描述
TL1451G-S16-T 0.021 A DUAL SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16
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