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參數(shù)資料
| 型號(hào)： | TL3577-ADJIKTTRG3 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封裝： | PLASTIC, D2PAK, TO-263, 5 PIN |
| 文件頁數(shù)： | 7/21頁 |
| 文件大?。?/td> | 431K |
| 代理商： | TL3577-ADJIKTTRG3 |
www.ti.com
3. Compensation Network (RC, CC) and Output Capacitor (COUT) Selection
100-kHz CURRENT-MODE SIMPLE STEP-UP/FLYBACK SWITCHING REGULATOR
SLVS633 – OCTOBER 2006
Table 2. Standardized Inductors and Manufacturer’s Part Numbers
Manufacturer’s Part Number
Inductor Code
AIE(1)
Pulse(2)
Renco(3)
L47
415 - 0932
PE - 53112
RL2442
L68
415 - 0931
PE - 92114
RL2443
L100
415 - 0930
PE - 92108
RL2444
L150
415 - 0953
PE - 53113
RL1954
L220
415 - 0922
PE - 52626
RL1953
L330
415 - 0926
PE - 52627
RL1952
L470
415 - 0927
PE - 53114
RL1951
L680
415 - 0928
PE - 52629
RL1950
H150
415 - 0936
PE - 53115
RL2445
H220
430 - 0636
PE - 53116
RL2446
H330
430 - 0635
PE - 53117
RL2447
H470
430 - 0634
PE - 53118
RL1961
H680
415 - 0935
PE - 53119
RL1960
H1000
415 - 0934
PE - 53120
RL1959
H1500
415 - 0933
PE - 53121
RL1958
H2200
415 - 0945
PE - 53122
RL2448
(1)
AIE Magnetics, Div. Vernitron Corp., (813) 347-2181 2801 72nd Street North, St. Petersburg, FL 33710
(2)
Pulse Engineering, (619) 674-8100 12220 World Trade Drive, San Diego, CA 92128
(3)
Renco Electronics, Inc., (516) 586-5566 60 Jeffryn Blvd. East, Deer Park, NY 11729
The compensation network consists of resistor RC and capacitor CC, which form a simple pole-zero network and
stabilize the regulator. The values of RC and CC depend upon the voltage gain of the regulator, ILOAD(max), the
inductor L, and output capacitance COUT. A procedure to calculate and select the values for RC, CC, and COUT
that ensures stability is described below. It should be noted, however, that this may not result in optimum
compensation. To guarantee optimum compensation, a standard procedure for testing loop stability is
recommended, such as measuring VOUT transient responses to pulsing ILOAD.
A. Calculate the maximum value for RC.
RC ≤ (750 × ILOAD(max) × VOUT
2)/V
IN(min)
2
Select a resistor less than or equal to this value, not to exceed 3 k
.
B. Calculate the minimum value for COUT using the following two equations.
COUT ≥ (0.19 × L × RC × ILOAD(max))/(VIN(min) × VOUT) and
COUT ≥ (VIN(min) × RC × (VIN(min) + (3.74 × 10
5
× L))/(487,800 × V
OUT
3)
The larger of these two values is the minimum value that ensures stability.
15
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| TL3577-ADJIKTTR | 6 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PSSO5 |
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| TL431AIX/11H-E3 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PSSO3 |
| TL431AIU2/48H | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3 |
| TL431AIU1/48H | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3 |
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| TL35B | 功能描述:測(cè)試引線 TEST LEAD W/ALLIGATOR CLIPS-CE RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長(zhǎng)度:60 in 顏色:Black |
| TL36 | 功能描述:測(cè)試引線 TEST LEADS W/CLIPS RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長(zhǎng)度:60 in 顏色:Black |
| TL-36 | 制造商:B&K Precision Corporation 功能描述: |
| TL360W | 制造商:General Tools 功能描述:All Weather Test Leads 制造商:General Tools 功能描述:TEST LEADSALL WEATHER |
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