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參數(shù)資料
| 型號： | LM2717MT |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Dual Step-down DC/DC Converter |
| 中文描述： | 3.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 673K |
| 代理商： | LM2717MT |
Pin Description
Pin
1
2
3
4
5
Name
PGND
PGND
AGND
FB1
V
C1
Function
Power ground. PGND and AGND pins must be connected together directly at the part.
Power ground. PGND and AGND pins must be connected together directly at the part.
Analog ground. PGND and AGND pins must be connected together directly at the part.
Fixed buck output voltage feedback input.
Fixed buck compensation network connection. Connected to the output of the voltage
error amplifier.
Bandgap connection.
Adjustable buck compensation network connection. Connected to the output of the voltage
error amplifier.
Adjustable buck output voltage feedback input.
Analog ground. PGND and AGND pins must be connected together directly at the part.
Analog ground. PGND and AGND pins must be connected together directly at the part.
Power ground. PGND and AGND pins must be connected together directly at the part.
Power ground. PGND and AGND pins must be connected together directly at the part.
Adjustable buck power switch input. Switch connected between V
IN
pins and SW2 pin.
Analog power input. V
IN
pins should be connected together directly at the part.
Analog power input. V
IN
pins should be connected together directly at the part.
Adjustable buck converter bootstrap capacitor connection.
Shutdown pin for adjustable buck converter. Active low.
Adjustable buck soft start pin.
Switching frequency select input. Use a resistor to set the frequency anywhere between
300kHz and 600kHz.
Fixed buck soft start pin.
Shutdown pin for fixed buck converter. Active low.
Fixed buck converter bootstrap capacitor connection.
Analog power input. V
IN
pins should be connected together directly at the part.
Fixed buck power switch input. Switch connected between V
IN
pins and SW1 pin.
6
7
V
BG
V
C2
8
9
10
11
12
13
14
15
16
17
18
19
FB2
AGND
AGND
PGND
PGND
SW2
V
IN
V
IN
CB2
SHDN2
SS2
FSLCT
20
21
22
23
24
SS1
SHDN1
CB1
V
IN
SW1
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2717MT/NOPB | 功能描述:DC/DC 開關(guān)控制器 DUAL STEP-DOWN DC/DC CONVERTER 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 |
| LM2717MT/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| LM2717MT-ADJ | 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 |
| LM2717MT-ADJ/NOPB | 功能描述:DC/DC 開關(guān)控制器 DUAL STEP-DOWN DC/DC CONVERTER 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 |
| LM2717MT-ADJEV | 功能描述:電源管理IC開發(fā)工具 LM2717MT-ADJ EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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