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參數(shù)資料
| 型號： | AS1340A-BTDT-10 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 50V, 100mA, 1MHz, Boost |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 765K |
| 代理商： | AS1340A-BTDT-10 |
AS1340
50V, Micropower, DC-DC Boost Converter
wwwaustriamcrosystems.com/DC-DC_Step-Up/AS1340
Revision 1.12
1 - 17
Datasheet
1 General Description
The AS1340 boost converter contains a 1.4A internal switch in a tiny
TDFN-8 3x3mmpackage. The device operates froma 2.7 to 5.5V
supply, and can boost voltages up to 50V output.
The output voltage can easily be adjusted by an external resistor
divider.
The AS1340 uses a unique control scheme providing the highest
efficiency over a wide range of load conditions. An internal 1.4A
MOSFET reduces external component count, and a fixed high
switching frequency (1MHz) allows for tiny surface-mount
components.
The AS1340 also features power-OK circuitry which monitors the
output voltage.
Additionally the AS1340 features a low quiescent supply current and
a shutdown mode to save power. During shutdown an output
disconnect switch separates the input fromthe output.
The AS1340 is ideal for LCD or OLED panels with low current
requirements and can also be used in a wide range of other
applications.
The device is available in a low-profile TDFN-8 3x3mmpackage.
Figure 1. AS1340 - Typical Application Diagram
2 Key Features
2.7V to 50V Adjustable Output Voltage
2.7V to 50V Input Voltage Range
2.7V to 5.5V Supply Voltage Range
High Output Currents:
- 100mA @ 12V from3.3V V
IN
- 50mA @ 24V from3.3V V
IN
- 30mA @ 36V from3.3V V
IN
Efficiency: Up to 93%
Switching Frequency: 1MHz
Output Disconnect
Power-OK Output
Operating Supply Current: 30μA
Shutdown Current: 0.1μA
TDFN-8 3x3mmPackage
3 Applications
The device is ideal for OLED display power supply, LED power
supply, LCD bias generators, mobile/cordless phones, palmtop
computers, PDAs and organizers, handy termnals or any other
portable, battery-powered device.
V
IN
= 2.7V
to 5.5V
1
EN
3
SWVIN
2
VCC
8
FB
4
POK
5
LX
On
Off
R
2
R
1
V
OUT
= > V
IN
to 50V
AS1340
L
1
4.7μH
C
IN
C
OUT
6
SWOUT
7, 9
GND
3
L
1
6
LX
VCC
V
IN
= 2.7V to
5.5V
3
L
1
6
LX
VCC
V
IN
= 2.7V to
5.5V
V
IN
= 2.7V to
~V
OUT
If not needed the output disconnect switch can be left unconnected which will also increase the efficiency.
Additionally the supply of the chip can be split to allow higher supply voltages for the coil. In this case the output disconnect switch must not be used.
V
OUT
V
OUT
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS1340A-BTDT-10-1k | 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| AS1340ABTDT10-1K | 制造商:ams 功能描述:TDFN 8 |
| AS1340A-BTDT-10-6K | 功能描述:IC REG BOOST SYNC ADJ 1.4A 8TDFN 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:50 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:5 V ~ 25 V 輸入電壓:2.3 V ~ 5.5 V PWM 型:電流模式 頻率 - 開關:600kHz，1.2MHz 電流 - 輸出:1A 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-TSSOP，8-MSOP（0.118"，3.00mm 寬） 包裝:管件 供應商設備封裝:8-MSOP |
| AS1340A-TD-10_EK_S | 功能描述:AS1340 - DC/DC, Step Up 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件狀態(tài):在售 主要用途:DC/DC，步升 輸出和類型:1，非隔離 功率 - 輸出:- 電壓 - 輸出:2.7 V ~ 50 V 電流 - 輸出:100mA 電壓 - 輸入:2.7 V ~ 5.5 V 穩(wěn)壓器拓撲:升壓 頻率 - 開關:1MHz 板類型:完全填充 所含物品:板 使用的 IC/零件:AS1340 標準包裝:1 |
| AS1340A-TD-10_EK_ST | 功能描述:AS1340 - DC/DC, Step Up 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件狀態(tài):有效 主要用途:DC/DC，步升 輸出和類型:1，非隔離 功率 - 輸出:- 電壓 - 輸出:2.7 V ~ 50 V 電流 - 輸出:100mA 電壓 - 輸入:2.7 V ~ 5.5 V 穩(wěn)壓器拓撲:升壓 頻率 - 開關:1MHz 板類型:完全填充 所含物品:板 使用的 IC/零件:AS1340 標準包裝:1 |
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