參數(shù)資料
型號(hào): LM2670SX-5.0
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Voltage-Mode SMPS Controller
中文描述: 電壓模式開關(guān)電源控制器
文件頁(yè)數(shù): 9/25頁(yè)
文件大?。?/td> 495K
代理商: LM2670SX-5.0
Test Circuit and Layout Guidelines
10004222
C
IN
- 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT
- 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 μH Sumida
#
RCR110D-680L
C
B
- 0.01 μF, 50V Ceramic
FIGURE 2. Standard Test Circuits and Layout Guides
Fixed Output Voltage Versions
10004223
C
IN
- 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT
- 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 μH Sumida
#
RCR110D-680L
R1 - 1.5 k
, 1%
C
B
- 0.01 μF, 50V Ceramic
For a 5V output, select R2 to be 4.75 k
, 1%
where V
REF
= 1.21V
Use a 1% resistor for best stability.
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Versions
L
www.national.com
9
相關(guān)PDF資料
PDF描述
LM2670SX-ADJ Voltage-Mode SMPS Controller
LM2671
LM2672LDX-12
LM2672LDX-3.3
LM2672LDX-5.0
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2670SX-ADJ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2670SX-ADJ/AULF 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LM2670SX-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2670SX-ADJEP 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2670EP Enhanced Plastic SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
LM2670T-12 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: