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參數資料
| 型號： | LT1110CS8-5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower DC-DC Converter Adjustable and Fixed 5V, 12V |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 70 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 310K |
| 代理商： | LT1110CS8-5 |
LT1110
1
D
U
ESCRIPTIO
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.
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
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.
S
FEATURE
I
Operates at Supply Voltages From 1.0V to 30V
I
Works in Step-Up or Step-Down Mode
I
Only Three External Off-the-Shelf Components
Required
I
Low-Battery Detector Comparator On-Chip
I
User-Adjustable Current Limit
I
Internal 1A Power Switch
I
Fixed or Adjustable Output Voltage Versions
I
Space-Saving 8-Pin MiniDIP or S8 Package
S
A
O
PPLICATI
U
I
Pagers
I
Cameras
I
Single-Cell to 5V Converters
I
Battery Backup Supplies
I
Laptop and Palmtop Computers
I
Cellular Telephones
I
Portable Instruments
I
Laser Diode Drivers
I
Hand-Held Inventory Computers
Micropower
DC-DC Converter
Adjustable and Fixed 5V, 12V
LOAD CURRENT (mA)
0
E
50
60
70
80
85
90
10
20
30
40
LT1110 TA02
75
65
55
5
15
25
35
V
IN
= 1.50V
V
IN
= 1.25V
V
IN
= 1.00V
U
A
O
PPLICATI
All Surface Mount
Single Cell to 5V Converter
TYPICAL
Efficiency
LT1110 TA01
+
GND
SW2
SENSE
SW1
LIM
I
IN
V
5
4
1
3
8
LT1110-5
1.5V
AA CELL*
*ADD 10 F DECOUPLING CAPACITOR IF BATTERY
IS MORE THAN 2" AWAY FROM LT1110.
15
μ
F
TANTALUM
5V
MBRS120T3
SUMIDA
CD54-470K
47
μ
H
OPERATES WITH CELL VOLTAGE 1.0V
2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1110CS8-5#PBF | 功能描述:IC REG BUCK BOOST 5V 0.4A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數:1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應商設備封裝:10-MSOP 裸露焊盤 |
| LT1110CS8-5#TR | 功能描述:IC REG BUCK BOOST 5V 0.4A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數:1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應商設備封裝:10-MSOP 裸露焊盤 |
| LT1110CS8PBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up/Down 1-30V SOIC8 |
| LT1111 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1111_03 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
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