参数资料
型号: LM22673EVAL/NOPB
厂商: National Semiconductor
文件页数: 2/27页
文件大小: 0K
描述: BOARD EVALUATION FOR LM22673
产品培训模块: LM315x & LM2267x SIMPLE SWITCHER® and WEBENCH
标准包装: 1
系列: SIMPLE SWITCHER®
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 3.3V
电流 - 输出: 3A
输入电压: 4.5 ~ 42 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LM22673
相关产品: LM22673TJ-ADJ/NOPBTR-ND - IC REG BUCK ADJ 3A TO263-7
LM22673TJ-5.0-ND - IC REG BUCK 5V 3A TO263-7
LM22673MRX-ADJ-ND - IC REG BUCK ADJ 3A 8PSOP
LM22673MR-ADJ/NOPB-ND - IC REG BUCK ADJ 3A 8PSOP
LM22673MRX-5.0-ND - IC REG BUCK 5V 3A 8PSOP
LM22673MR-5.0/NOPB-ND - IC REG BUCK 5V 3A 8PSOP
LM22673TJE-ADJDKR-ND - IC REG BUCK ADJ 3A TO263-7
LM22673TJE-5.0DKR-ND - IC REG BUCK 5V 3A TO263-7
LM22673MRE-ADJDKR-ND - IC REG BUCK ADJ 3A 8PSOP
LM22673MRE-5.0DKR-ND - IC REG BUCK 5V 3A 8PSOP
更多...
其它名称: *LM22673EVAL
LM22673EVAL
LM22673EVAL-ND
SNVS586N – SEPTEMBER 2008 – REVISED APRIL 2013
Connection Diagram
BOOT
NC
IADJ
FB
1
2
3
4
8
7
6
5
SW
VIN
GND
SS
Exposed Pad
Connect to GND
Figure 1. 8-Lead Plastic SO PowerPAD Package
Package Number DDA0008B
7 SS
6 FB
5 IADJ
4 GND
3 BOOT
2 VIN
1 SW
Exposed Pad
Connect to GND
Figure 2. 7-Lead Plastic PFM Package
Package Number NDR0007A
PIN DESCRIPTIONS
Pin Numbers
SO PowerPAD
Package
1
2
Pin Numbers
PFM Package
3
-
Name
BOOT
NC
Description
Bootstrap input
Not Connected
Application Information
Provides the gate voltage for the high side NFET.
Pin is not electrically connected inside the chip. Pin does
function as thermal conductor.
3
5
IADJ
Current limit adjust input pin
A resistor attached between this pin and GND can be
used to set the current limit threshold. Pin can be left
floating and internal setting will be default.
4
5
6
7
FB
SS
Feedback input
Soft-Start pin
Feedback input to regulator.
Used to increase soft-start time. See Soft-Start section
of data sheet.
6
4
GND
Ground input to regulator; system System ground pin.
common
7
8
EP
2
1
EP
VIN
SW
EP
Input voltage
Switch output
Exposed Pad
Supply input to the regulator.
Switching output of regulator.
Connect to ground. Provides thermal connection to PCB.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
2
Product Folder Links: LM22673
Copyright ? 2008–2013, Texas Instruments Incorporated
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相关代理商/技术参数
参数描述
LM22673MR-5.0 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4.5V to 42V 8-Pin PSOP EP Rail
LM22673MR-5.0/NOPB 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM22673MR-ADJ 制造商:Texas Instruments 功能描述:REGULATOR, ADJ. VOLTAGE, 3A 8PSOP 制造商:Texas Instruments 功能描述:REGULATOR, ADJ. VOLTAGE, 3A 8PSOP; Primary Input Voltage:42V; No. of Outputs:1; Output Current:3A; Voltage Regulator Case Style:SOP; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:125C; SVHC:No SVHC ;RoHS Compliant: Yes
LM22673MR-ADJ/NOPB 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM22673MRE-5.0 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4.5V to 42V 8-Pin PSOP EP T/R 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:SIMPLESWITCH 3.0A 4.5~42VIN 8PSOP 制造商:Texas Instruments 功能描述:SIMPLESWITCH, 3.0A 4.5~42VIN, 8PSOP 制造商:Texas Instruments 功能描述:SIMPLESWITCH, 3.0A 4.5~42VIN, 8PSOP, Primary Input Voltage:12V, No. of Outputs:1 制造商:Texas Instruments 功能描述:SIMPLESWITCH, 3.0A 4.5~42VIN, 8PSOP, Primary Input Voltage:12V, No. of Outputs:1, Output Voltage:5V, Output Current:3A, Voltage Regulator Case Style:SOP, No. of Pins:8, Operating Temperature Min:-40C, Operating Temperature , RoHS Compliant: Yes