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参数资料
| 型号： | LT1109CZ-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST 5V 0.1A TO92-3 |
| 标准包装： | 100 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 3V，5V |
| 频率 - 开关： | 120kHz |
| 电流 - 输出： | 100mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 包装： | 散装 |
| 供应商设备封装： | TO-92-3 |
LT1109
Micropower Low Cost
DC/DC Converter
Adjustable and Fixed 5V, 12V
FEATURE S
D ESCRIPTIO
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Uses Off-the-Shelf Inductors
Only 33 μ H Inductor Required
Low Cost
3-Lead TO-92, SO8, or 8-Pin DIP
Adjustable or Fixed 5V or 12V Output
120kHz Oscillator
Only Three External Components Required
320 μ A I Q
1.6V Minimum Start-Up Voltage
Logic Controlled Shutdown
The LT1109 is a simple step-up DC/DC converter. Avail-
able in 8-pin SO, 3-lead TO-92 (fixed output only) or
miniDIP packages, the devices require only three external
components to construct a complete DC/DC converter.
Current drain is just 320 μ A at no load, making the device
ideal for cost-sensitive applications where standby cur-
rent must be kept to a minimum.
The LT1109-5 can deliver 5V at 100mA from a 3V input
and the LT1109-12 can deliver 12V at 60mA from a 5V
input. The 8-pin versions also feature a logic controlled
A PPLICATI
S
SHUTDOWN pin that turns off the oscillator when taken
low. The gated-oscillator design requires no frequency
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Flash Memory VPP Generators
3V to 5V Converters
5V to 12V Converters
Disk Drives
PC Plug-In Cards
Peripherals
Battery-Powered Equipment
compensation components. The high frequency 120kHz
oscillator permits the use of small surface mount induc-
tors and capacitors. For a 5V to 12V at 120mA converter,
see the LT1109A. Foa a 5V to 12V at 200mA converter
with 20 μ A shutdown current, see the LT1301.
TYPICAL A PPLICATI
All Surface Mount
Flash Memory VPP Generator
Output Voltage
Flash Memory Program Output
L1 |
33 μ H
MBRS120T3
15
V IN = 5V
V OUT
5V/DIV
12
3
V IN
V IN
5V
1
SW
SENSE
LT1109CS8-12
8
V OUT
12V
80mA
9
OV
SHUTDOWN
5V/DIV
7
SHUTDOWN*
+
C1**
22 μ F
6
1ms/DIV
LT1109 ? TA02
GND
4
16V
3
SHUTDOWN
PROGRAM
| L1 = SUMIDA CD54-330LC (I
OUT = 50mA)
* 8-PIN PACKAGE ONLY
OUT = 80mA)
COILTRONICS CTX33-1 (80mA)
MURATA-ERIE LQH4N330K (I
ISI LCS2414-330K (I OUT = 50mA)
**C1 = MATSUO 267M1602226 OR EQUIVALENT
LT1109 ? TA01
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
LT1109 ? TPC01
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT111 | 制造商:SEOUL 制造商全称:Seoul Semiconductor 功能描述:Infrared LAMP LED |
| LT1110 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC-DC Converter Adjustable and Fixed 5V, 12V |
| LT1110-12 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC-DC Converter Adjustable and Fixed 5V, 12V |
| LT1110-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower DC-DC Converter Adjustable and Fixed 5V, 12V |
| LT1110CN8 | 功能描述:IC REG BUCK BOOST ADJ 0.4A 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
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