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参数资料
| 型号： | LT1110CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST ADJ 0.4A 8SOIC |
| 标准包装： | 100 |
| 类型： | 降压（降压），升压（升压） |
| 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： | 70kHz |
| 电流 - 输出： | 400mA |
| 同步整流器： | 无 |
| 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： | 管件 |
| 供应商设备封装： | 8-SOIC |
LT1110
Micropower
DC-DC Converter
Adjustable and Fixed 5V, 12V
FEATURE S
D ESCRIPTIO
s
s
s
s
s
s
Operates at Supply Voltages From 1.0V to 30V
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
The LT1110 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 1.0V allows the use of the LT1110 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.
Fixed or Adjustable Output Voltage Versions
Space-Saving 8-Pin MiniDIP or S8 Package
s
s
A PPLICATI S
The 70kHz oscillator allows the use of surface mount
inductors and capacitors in many applications. Quiescent
current is just 300 μ A, making the device ideal in remote or
battery powered applications where current consumption
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
Laser Diode Drivers
Hand-Held Inventory Computers
must be kept to a minimum.
The device can easily be configured as a step-up or
step-down converter, although for most step-down
applications or input sources greater than 3V, the LT1111
is recommended. Switch current limiting is user-adjustable
by adding a single external resistor. Unique reverse battery
protection circuitry limits reverse current to safe, non-
destructive levels at reverse supply voltages up to 1.6V.
TYPICAL A PPLICATI
All Surface Mount
Single Cell to 5V Converter
SUMIDA
90
Efficiency
CD54-470K
47 μ H
MBRS120T3
85
1
2
5V
80
V IN = 1.50V
I LIM
V IN
75
V IN = 1.25V
1.5V
AA CELL*
LT1110-5
SW1
3
70
65
V IN = 1.00V
GND
5
SENSE
SW2
4
8
+
15 μ F
TANTALUM
60
55
OPERATES WITH CELL VOLTAGE ≥ 1.0V
50
0
5
10
15
20
25
30
35
40
*ADD 10 μ F DECOUPLING CAPACITOR IF BATTERY
IS MORE THAN 2" AWAY FROM LT1110.
LT1110 ? TA01
LOAD CURRENT (mA)
LT1110 ? TA02
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1111 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1111_03 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1111-12 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1111-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1111C | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
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