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參數(shù)資料
| 型號： | SP6126EK1L |
| 英文描述： | High-Voltage, Step Down Controller in TSOT6 |
| 中文描述： | 高電壓，降壓控制器在TSOT6步 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 477K |
| 代理商： | SP6126EK1L |
Loop Compensation Example 1- A converter
utilizing a SP6126 has a 6.8uH inductor and
a 22uF/5m
ceramic capacitor. Determine
whether Type-III compensation is needed.
From equation (2) f
ESRZERO
= 1.45MHz. From
equation (3) f
DBPOLE
= 13 kHz. Since the
condition specified in (1) is not met, Type-III
compensation has to be used by adding
external components RZ and CZ. Using
equation (4) CZ is calculated 61.2pF (use 62
pF). Following the guideline given in table 1,
a 2k
RZ should be used.
The steps followed in example 1 were used
to compensate the typical application circuit
shown on page 1. Satisfactory frequency
response of the circuit, seen in figure 2,
validates the above procedure.
Mar 29-07 RevD SP6126: TSOT-6 PFET Buck Controller
2007 Sipex Corporation
5
Loop Compensation Example 2- A converter
utilizing a SP6126 has a 6.8uH inductor and
a 150uF, 82m
Aluminum Electrolytic
capacitor.
Determine
compensation is needed.
From equation (2) f
ESRZERO
= 13kHz. From
equation (3) f
DBPOLE
= 5 kHz. Since the
condition specified in (1) is not met, Type-III
compensation has to be used by adding
external components RZ and CZ. Using
equation (4) CZ is calculated 160pF (use
150 pF). Since
f
ESRZERO
÷
f
DBPOLE
is
approximately 3, RZ has to be set at 30k
.
whether
Type-III
Figure 2- Satisfactory frequency response of typical application circuit shown on page
1. Crossover frequency fc is 80kHz with a corresponding phase margin of 65 degrees.
GENERAL
OVERVIEW
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP6126EK1-L | High-Voltage, Step Down Controller in TSOT6 |
| SP6127_07 | Evaluation Board Manual |
| SP6127EB | Evaluation Board Manual |
| SP6127EK1 | Evaluation Board Manual |
| SP6127EK1L | High-Voltage, Step-Down Controller in TSOT6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP6126EK1-L | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SP6126EK1L/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High-Voltage, Step Down Controller in TSOT6 |
| SP6126EK1-L/TR | 功能描述:電壓模式 PWM 控制器 High-Voltage Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| SP6127 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6127_07 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Evaluation Board Manual |
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