LTC3672B-1
2
3672B1f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN
 ...............................................................0.3V to 6V
V
IN1
, BUCKOUT, ENALL, SW,
LDO2 ...........0.3V to the lesser of (V
IN
 + 0.3V) or 6V
LDO1 .............0.3V to the lesser of (V
IN1
 + 0.3V) or 6V
Junction Temperature ...........................................125癈
Operating Temperature Range......................40 to 85癈
Storage Temperature Range .......................65 to 125癈
(Notes 1, 2, 3)
TOP VIEW
SW
GND
ENALL
BUCKOUT
V
IN
LDO2
LDO1
V
IN1
DC PACKAGE
8-LEAD (2mm 2mm) PLASTIC DFN
9
4
1
2
3
6
5
7
8
T
JMAX
 = 125癈, ?/DIV>
JA
 = 102癈/W, ?/DIV>
JC
 = 20癈/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
 
The ?/SPAN> denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
 = 25癈. V
IN
 = 3.6V, unless otherwise noted.
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3672BEDC-1#PBF    LTC3672BEDC-1#TRPBF  LCWH
8-Lead (2mm ?2mm) Plastic DFN    40癈 to 85癈
Consult LTC Marketing for parts speci ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based  nish parts.
*For more information on lead free part marking, go to: http://www.linear.com/leadfree/ 
For more information on tape and reel speci cations, go to: http://www.linear.com/tapeandreel/
SYMBOL
PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
V
IN
Input Voltage Range
?SPAN class="pst LTC3672BEDC-1-TRPBF_2465726_12">   2.9
5.5
V
V
UVLO
V
IN
 Undervoltage Lockout Threshold
V
IN
 Rising
1.7    2
V
Undervoltage Lockout Hysteresis
12    100    mV
I
Q,VIN
V
IN
 Quiescent Current
All Outputs Enabled, No Load
Shutdown
(Note 4)
V
BUCKOUT
 = 1.9V
V
ENALL
 = 0V
260   400
1
I
Q,VIN1
V
IN1
 Quiescent Current
All Outputs Enabled, No Load
Shutdown
V
IN1
 = 1.8V
V
ENALL
 = 0V
2.3    5
1
V
IL
ENALL Pin Logic Low Voltage
?/DIV>
0.4
V
V
IH
ENALL Pin Logic High Voltage
?SPAN class="pst LTC3672BEDC-1-TRPBF_2465726_12">   1.2
V
R
ENALL
ENALL Pin Pulldown Resistance
5.5
M?/DIV>
Synchronous Buck Regulator
f
OSC
Oscillator Frequency
1.8   2.25   2.7    MHz
V
BUCKOUT
Regulated Output Voltage
?SPAN class="pst LTC3672BEDC-1-TRPBF_2465726_12">  1.755   1.8   1.845
V
I
MAXP
PMOS Switch Maximum Peak Current (Note 5)
550   800   1100    mA
I
OUT,BUCK
Available Output Current
400
mA
R
P,BUCK
PMOS Switch On-Resistance
0.6
?/DIV>
R
N,BUCK
NMOS Switch On-Resistance
0.7
?/DIV>
相关PDF资料
LTC3700EMS#TRPBF IC REG DL BUCK/LINEAR 10MSOP
LTC4151HMS#TRPBF IC PWR MONITOR MS 80V SD 10MSOP
LTC4210-2CS6#TRM IC CONTROLLER HOT SWAP TSOT23-6
LTC4211IMS8 IC CONTROLLER HOT SWAP 8-MSOP
LTC4212IMS#TRPBF IC CTRLR HOTSWAP TIMEOUT 10MSOP
LTC4214-1IMS#TRPBF IC CTRLR HOTSWAP NEGVOLT 10MSOP
LTC4215IUFD#PBF IC CNTRLR HOT SWAP 24-QFN
LTC4216IDE#TRPBF IC CNTRLR HOT SWAP 12-DFN
相关代理商/技术参数
LTC3672BEDC-2#TRMPBF 功能描述:IC REG TRPL BCK/LINEAR 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压(降压)同步(3),线性(LDO)(2) 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:*
LTC3672BEDC-2#TRPBF 功能描述:IC REG TRPL BCK/LINEAR 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压(降压)同步(3),线性(LDO)(2) 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:*
LTC3675EUFF#PBF 功能描述:IC PMIC PWR SUPPLYED DVR 44-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3675EUFF#TRPBF 功能描述:IC PMIC PWR SUPPLYED DVR 44-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3675EUFF-1#PBF 制造商:Linear Technology 功能描述:MISC 制造商:Linear Technology 功能描述:IC PWR SUPPLY + LED DRVR 44QFN 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, 8-Channel Configurable High Power PMIC
LTC3675EUFF-1#TRPBF 制造商:Linear Technology 功能描述:7-CHANNEL CONFI GURABLE HIGH POWER PMIC 制造商:Linear Technology 功能描述:IC PWR SUPPLY + LED DRVR 44QFN 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, 8-Channel Configurable High Power PMIC
LTC3676EUJ#PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
LTC3676EUJ-1#PBF 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors