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參數(shù)資料
| 型號： | SP6138ER1-L |
| 廠商： | EXAR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, QCC16 |
| 封裝： | 3 X 3 MM, LEAD FREE, MO-220VEED-4, QFN-16 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 958K |
| 代理商： | SP6138ER1-L |
4
Oct 24-06 Rev J
SP638 Synchronous Buck Controller
2006 Sipex Corporation
APPLICATION INFORMATION
Frequency
(Hz)
Error Amplifier Gain
Bandwidth Product
Condition:
C22 >> CP1, R1 >> RZ3
20 Log (RZ2/R1)
Gain
(dB)
1/6.28(R22)
(CZ2)
1/6.28
(R1)
(CZ3)
1/6.28
(R1)
(CZ2)
1/6.28
(RZ2)
(CP1)
1/6.28
(RZ3)
(CZ3)
Figure 6: Bode Plot of Type III Error Amplifier Compensation
Table 1. Input and Output Stage Components Selection Charts
Manufacturer
Series R
Isat
Size
Inductor Type
Website
mOhms
(A)
LxW(mm) Ht.(mm)
Cooper DR73-2R2
2.2
16.50
5.5
7.6x6.0
3.6 Shielded Ferrite Core
www.cooperet.com
Manufacturer
ESR
Ripple Current
Size
Voltage Capacitor
Website
Mohms (max) (A) @ 5oC rise LxW(mm) Ht.(mm) (V)
Type
AVX 08053D475MAT
4.7
5
1.70
2.01X1.25 1.25
25.0 X5R Ceramic
www.avx.com
AVX 08056D226MAT
22
5
2.60
2.01X1.25 1.25
6.3 X5R Ceramic
www.avx.com
Manufacturer
RDS(on)
ID Current
Qg
Voltage Foot Print
Website
mΩ (max)
(A)
nC (Typ) nC (Max) (V)
Vishay Si7214DN
N-Channel
47
5.9
4.2
6.5
30
PowerPAK
1212-8
www.vishay.com
Note: Components highlighted in
bold are those used on the SP6138 Evaluation Board.
INDUCTORS - SURFACE MOUNT
CAPACITORS - SURFACE MOUNT
MOSFETS - SURFACE MOUNT
Manufacturer/Part No.
Inductance
(uH)
Manufacturer/Part No. Capacitance
(uF)
Inductor Specification
Capacitor Specification
MOSFET Specification
Manufacturer/Part No.
MOSFET
Note: Loop Compensation component calculations discussed in this
Datasheet can be quickly iterated with the Type III Loop Compensation
Calculator on the web at:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP6138ER1-L/TR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Synchronous Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SP6139 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Wide Input, 1.3MHz Synchronous PWM Controller |
| SP6139EU | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Wide Input, 1.3MHz Synchronous PWM Controller |
| SP6139EU/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Wide Input, 1.3MHz Synchronous PWM Controller |
| SP6139EU-L | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Wide Input, 1.3MHz Synchronous RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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