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參數(shù)資料
| 型號： | LT1302- 5 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower High Output Current Step-Up Fixed 5V DC/DC Converters(微功耗,高輸出電流,5V固定輸出電壓,步升DC/DC變換器) |
| 中文描述： | 微高輸出電流升壓型固定5V直流/直流轉(zhuǎn)換器（微功耗，高輸出電流，5V的固定輸出電壓，步升直流/直流變換器） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 313K |
| 代理商： | LT1302- 5 |
1
LT1302/LT1302-5
Micropower
High Output Current
Step-Up Adjustable and
Fixed 5V DC/DC Converters
Figure 1. 2-Cell to 5V/600mA DC/DC Converter
S
FEATURE
D
The LT
1302/LT1302-5 are micropower step-up DC/DC
converters that maintain high efficiency over a wide
range of output current. They operate from a supply
voltage as low as 2V and feature automatic shifting
between Burst Mode operation at light load, and current
mode operation at heavy load.
The internal low loss NPN power switch can handle
current in excess of 2A and switch at frequencies up to
400kHz. Quiescent current is just 200
μ
A and can be
further reduced to 15
μ
A in shutdown.
Available in 8-pin PDIP or 8-pin SO packaging, the LT1302/
LT1302-5 have the highest switch current rating of any
similarly packaged switching regulators presently on the
market.
U
ESCRIPTIO
I
5V at 600mA or 12V at 120mA from 2-Cell Supply
I
200
μ
A Quiescent Current
I
Logic Controlled Shutdown to 15
μ
A
I
Low V
CESAT
Switch: 310mV at 2A Typical
I
Burst Mode
TM
Operation at Light Load
I
Current Mode Operation for Excellent
Line and Load Transient Response
I
Available in 8-Lead SO or PDIP
I
Operates with Supply Voltage as Low as 2V
U
S
A
O
PPLICATI
, LTC and LT are registered trademarks of Linear Technology Corporation.
Burst Mode is a trademark of Linear Technology Corporation.
I
Notebook and Palmtop Computers
I
Portable Instruments
I
Personal Digital Assistants
I
Cellular Telephones
I
Flash Memory
U
A
O
PPLICATI
TYPICAL
+
NC
C3
0.1
μ
F
SHUTDOWN
V
IN
SW
I
T
V
C
PGND
GND
SHDN
SENSE
2
R
C
20k
C
0.01
μ
F
C1
100
μ
F
D1
+
C2
100
μ
F
L1
10
μ
H
2 CELLS
LT1302 F01
C1 = C2 = SANYO OS-CON
L1 = COILTRONICS CTX10-3
COILCRAFT DO3316-103
OUTPUT
5V
600mA
1
8
7
6
5
3
4
D1 = MOTOROLA MBRS130LT3
LT1302-5
LOAD CURRENT (mA)
1
78
E
80
82
84
86
10
100
1000
LT1302 TA02
76
74
72
70
88
90
V
IN
= 3V
V
IN
= 2.5V
V
IN
= 2V
2-Cell to 5V Converter Efficiency
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1302CN8 | 功能描述:IC REG BOOST ADJ 0.12A 8DIP 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(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1302CN8#PBF | 功能描述:IC REG BOOST ADJ 0.12A 8DIP 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(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1302CN8-5 | 功能描述:IC REG BOOST 5V 0.6A 8DIP 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(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1302CN85#PBF | 制造商:Linear Technology 功能描述:LT1302CN85#PBF |
| LT1302CN8-5#PBF | 功能描述:IC REG BOOST 5V 0.6A 8DIP 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(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
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