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參數(shù)資料
| 型號： | LT1304CS8-5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower DC/DC Converters with Low-Battery Detector Active in Shutdown |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 345K |
| 代理商： | LT1304CS8-5 |
1
LT1304/LT1304-3.3/LT1304-5
Micropower
DC/DC Converters with
Low-Battery Detector
Active in Shutdown
The LT
1304 is a micropower step-up DC/DC converter
ideal for use in small, low voltage, battery-operated sys-
tems. The devices operate from a wide input supply range
of 1.5V to 8V. The LT1304-3.3 and LT1304-5 generate
regulated outputs of 3.3V and 5V and the adjustable
LT1304 can deliver output voltages up to 25V. Quiescent
current, 120
μ
A in active mode, decreases to just 10
μ
A in
shutdown with the low-battery detector still active. Peak
switch current, internally set at 1A, can be reduced by
adding a single resistor from the I
LIM
pin to ground. The
high speed operation of the LT1304 allows the use of
small, surface-mountable inductors and capacitors. The
LT1304 is available in an 8-lead SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO
S
U
I
2-, 3-, or 4-Cell to 5V or 3.3V Step-Up
I
Portable Instruments
I
Bar Code Scanners
I
Palmtop Computers
I
Diagnostic Medical Instrumentation
I
Personal Data Communicators/Computers
I
5V at 200mA from Two Cells
I
10
μ
A Quiescent Current in Shutdown
I
Operates with V
IN
as Low as 1.5V
I
Low-Battery Detector Active in Shutdown
I
Low Switch V
CESAT
: 370mV at 1A Typical
I
120
μ
A Quiescent Current in Active Mode
I
Switching Frequency Up to 300kHz
I
Programmable Peak Current with One Resistor
I
8-Lead SO Package
FEATURES
DESCRIPTIO
N
U
TYPICAL APPLICATIO
N
U
Efficiency
LOAD CURRENT (mA)
40
50
60
70
80
90
E
1304 TA02
0.1
1
10
500
100
V
IN
= 3.3V
V
IN
= 2.5V
V
IN
= 1.8V
V
IN
SW
SHDN
GND
SENSE
LBI
3
4
8
2
5
7
6
1
LBO
I
LIM
LT1304-5
+
+
100k
100
μ
F
NC
*
**
604k
100
μ
F
2 CELLS
499k
22
μ
H*
D1**
5V
200mA
LBO
LOW WHEN
V
BAT
< 2.2V
SUMIDA CD54-220
1N5817
1304 TA01
SHUTDOWN
2-Cell to 5V Step-Up Converter with Low-Battery Detect
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1304CS8-5#PBF | 功能描述:IC REG BOOST 5V 0.2A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT1304CS8-5#TR | 功能描述:IC REG BOOST 5V 0.2A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設(shè)備封裝:8-SOIC |
| LT1304CS8-5#TRPBF | 功能描述:IC REG BOOST 5V 0.2A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設(shè)備封裝:8-SOIC |
| LT1304CS8PBF | 制造商:Linear Technology 功能描述:DC-DC Adj. Micropower Low-Battery SOIC8 |
| LT1305 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower High Power DC/DC Converter with Low-Battery Detector |
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