参数资料
型号: LT1073CS8#TR
厂商: Linear Technology
文件页数: 1/16页
文件大小: 0K
描述: IC REG BUCK BOOST INV ADJ 8SOIC
标准包装: 2,500
类型: 降压(降压),升压(升压),反相
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 1 V ~ 30 V
频率 - 开关: 19kHz
电流 - 输出: 400mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LT1073
Micropower
DC/DC Converter
Adjustable and Fixed 5V, 12V
FEATURES
DESCRIPTIO
s
s
s
s
s
s
s
s
s
s
No Design Required
Operates at Supply Voltages from 1V to 30V
Consumes Only 95 μ A Supply Current
Works in Step-Up or Step-Down Mode
Only Three External Off-the-Shelf Components
Required
Low-Battery Detector Comparator On-Chip
User-Adjustable Current Limit
Internal 1A Power Switch
Fixed or Adjustable Output Voltage Versions
Space-Saving 8-Pin PDIP or SO-8 Package
The LT ? 1073 is a versatile micropower DC/DC converter.
The device requires only three external components to
deliver a fixed output of 5V or 12V. The very low minimum
supply voltage of 1V allows the use of the LT1073 in
applications where the primary power source is a single
cell. An on-chip auxiliary gain block can function as a low-
battery detector or linear post-regulator.
Average current drain of the LT1073-5 used as shown in
the Typical Application circuit below is just 135 μ A un-
loaded, making it ideal for applications where long battery
life is important. The circuit shown can deliver 5V at 40mA
APPLICATIO S
from an input as low as 1.25V and 5V at 10mA from a 1V
input.
s
s
s
s
s
s
s
s
s
s
Pagers
Cameras
Single-Cell to 5V Converters
Battery Backup Supplies
Laptop and Palmtop Computers
Cellular Telephones
Portable Instruments
4mA to 20mA Loop Powered Instruments
Hand-Held Inventory Computers
Battery-Powered α , β , and γ Particle Detectors
The device can easily be configured as a step-up or step-
down converter, although for most step-down applica-
tions or input sources greater than 3V, the LT1173 is
recommended. Switch current limiting is user-adjustable
by adding a single external resistor. Unique reverse-
battery protection circuitry limits reverse current to safe,
nondestructive levels at reverse supply voltages up to
1.6V.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO N
Single Alkaline “AA” Cell Operating
Single-Cell to 5V Converter
CADDELL-BURNS
1000
Hours vs DC Load Current
7300-12
82 μ H
1N5818
5V
40mA
1
I LIM
2
V IN
100
1.5V
AA CELL*
SW1
LT1073-5
SENSE
3
8
10
L = 180 μ H
GND
5
SW2
4
+
100 μ F
SANYO
0S-CON
L = 82 μ H
1
OPERATES WITH CELL VOLTAGE ≥ 1V
* ADD 10 μ F DECOUPLING CAPACITOR IF
BATTERY IS MORE THAN 2" AWAY FROM LT1073
1073 TA01
1
10
LOAD CURRENT (mA)
100
LT1073 TA02
1
相关PDF资料
PDF描述
RSA10DTMT CONN EDGECARD 20POS R/A .125 SLD
LT1110CS8-5#TR IC REG BUCK BOOST 5V 0.4A 8SOIC
RMA10DTMT CONN EDGECARD 20POS R/A .125 SLD
RBA24DTMT CONN EDGECARD 48POS R/A .125 SLD
RSA10DTBT CONN EDGECARD 20POS R/A .125 SLD
相关代理商/技术参数
参数描述
LT1074CK 制造商:Maxim Integrated Products 功能描述:5A, STEP-DOWN, PWM, SWITCH MODE DC-DC REGULAT - Rail/Tube
LT1074CT 功能描述:IC REG MULTI CONFIG ADJ TO220-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LT1074CT#06 制造商:Linear Technology 功能描述:Step-Down Switching Regulator
LT1074CT#06PBF 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 7.3V to 45V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO-220-5
LT1074CT#30PBF 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO220-5