參數(shù)資料
型號(hào): LM3370SDX-4221
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
中文描述: 1.4 A DUAL SWITCHING CONTROLLER, 2400 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4 X 5 MM, 0.8 MM HEIGHT, LLP-16
文件頁數(shù): 3/26頁
文件大?。?/td> 5302K
代理商: LM3370SDX-4221
Package Marking Information
16-Lead LLP Package
20167343
FIGURE 3. Top Marking
20167342
FIGURE 4. Top View
Pin Descriptions (LLP)
Pin #
1
Name
V
IN2
SW2
PGND2
V
DD
SGND
PGND1
SW1
V
IN1
FB1
SDA
Description
Power supply voltage input to PFET and NFET switches for Buck 2
2
3
4
Buck 2 Switch Pin
Buck 2 Power Ground
Signal supply voltage input, V
DD
must be equal or greater of the two inputs (V
IN1
& V
IN2
)
Signal GND
Buck 1 Power Ground
Buck 1 Switch Pin
Power supply voltage input to PFET and NFET switches for Buck 1
5
6
7
8
9
Analog Feedback Input for Buck 1
I
2
C Compatible Data, a 2 k
pull up resistor is required
I
2
C Compatible Clock, a 2 k
pull up resistor is required
Power ON Reset for Buck 1, Open drain output Low when Buck 1 output is 92% of target
output. A 100 k
pull up resistor is required
Power ON Reset for Buck 2, Open drain output Low when Buck 2 output is 92% of target
output. A 100 k
pull up resistor is required
Buck 1 Enable
Buck 2 Enable
Analog feedback for Buck 2
10
11
SCL
12
nPOR1
13
nPOR2
14
15
16
EN1
EN2
FB2
3
www.national.com
L
相關(guān)PDF資料
PDF描述
LM3370TL-3006 Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3008 Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3022 Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3206 Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3607 Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3370SDX-4221/NOPB 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
LM3370TL-3006 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3006/NOPB 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
LM3370TL-3008 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
LM3370TL-3008/NOPB 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