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參數(shù)資料
| 型號(hào)： | AS1329C-BTTT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Adj. 315mA, 1.2MHz Boost feed.; Package Type: TSOT23-6; Miscellaneous: Continuous Switching |
| 中文描述： | 低電壓，微功耗，型DC - DC升壓轉(zhuǎn)換器 |
| 封裝： | TSOT23-6 |
| 文件頁(yè)數(shù)： | 1/21頁(yè) |
| 文件大?。?/td> | 990K |
| 代理商： | AS1329C-BTTT |
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Datasheet
1 General Description
The AS1329A, AS1329B and the AS1329C are synchronous, fixed
frequency, very high-efficiency DC-DC boost converters capable of
supplying 3.3V at 160mA froma single AA-supply. Compact size and
mnimumexternal parts requirements make these devices perfect for
modern portable devices.
High-speed switching frequency (1.2MHz) and internally
compensated PWMcurrent mode design provide highly-reliable DC-
DC conversion, especially when driving white LEDs. The converters
are available as the standard products listed in
Table 1
.
The devices contain two internal MOSFET switches: one NMOS
switch and one PMOS synchronous rectifier. Anti-ringing control
circuitry reduces EMI by damping the inductor in discontinuous
mode, and the devices exhibit extremely low quiescent current (<
1μA) in shutdown.
In shutdown mode the battery is connected directly to the output
enabling the supply of real-time-clocks. The AS1329 is available in a
6-pin TSOT-23 package and 6-bump WL-CSP.
Figure 1. Typical Application Diagram– Single Cell to 3.3V
Synchronous Boost Converter
2 Key Features
!
Low Start-Up Voltage: 0.85V
!
Output Range: 2.5V to 5.0V
!
Single-Cell Operation
!
Operating with coils down to 2.2μH
!
Delivers 160mA @ 3.3V (fromSingle AA Cell)
!
Delivers 220mA @ 5.0V (fromTwo AA Cells)
!
Delivers 570mA @ 3.3V (fromTwo AA Cells)
!
95% Efficiency
!
High-Speed Fixed-Frequency: 1.2MHz
!
Internal PMOS Synchronous Rectifier
!
Automatic Powersave Operation (AS1329A&B)
!
Continuous Switching at Light Loads (AS1329C)
!
Logic Controlled Shutdown (< 1μA)
!
6-pin TSOT-23 Package and 6-bump WL-CSP
3 Applications
The AS1329 is ideal for low-power applications where ultra-small
size is critical as in medical diagnostic equipment, hand-held
instruments, pagers, digital cameras, remote wireless transmtters,
MP3 players, LCD bias supplies, cordless phones, GPS receivers,
and PC cards.
Table 1. Standard Products
Model
Light Load Switching
AS1329A
MediumLoad
Automatic Powersave Operation
AS1329B
Light Load Automatic Powersave Operation
AS1329C
Continuous Switching
AA Battery
AS1329
C
2
10μF
R
2
604k
Ω
1%
R
1
1.02M
Ω
1%
On
Off
L1
4.7μH
C
1
10μF
GND
2
SW
1
V
OUT
3.3V
160mA
4
SHDNN
3
FB
6
VIN
5
VOUT
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| AS1331-BTDT-AD | 300mA Buck-Boost Converter; Package Type: TDFN(3x3)-10; Output Range: 2.5 to 3.3V |
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| AS1332-BWLT | 650mA, RF Buck Converter, Vcon |
| AS1333-BWLT | 650mA, RF, Buck Converter; Package Type: CS-WLP(1.5x1.5)-8; Output Range: 3.09V |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1329C-TT_EK_ST | 功能描述:AS1329C - 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:3.3V 或 5V 電流 - 輸出:570mA 電壓 - 輸入:0.85 V ~ 5 V 穩(wěn)壓器拓?fù)?升壓 頻率 - 開關(guān):1.2MHz 板類型:完全填充 所含物品:板 使用的 IC/零件:AS1329C 標(biāo)準(zhǔn)包裝:1 |
| AS132R4FLF | 制造商:TT Electronics / IRC 功能描述:AS132R4FLF |
| AS132R4HLF | 制造商:TT Electronics / IRC 功能描述:AS132R4HLF |
| AS132R4JLF | 制造商:TT Electronics / IRC 功能描述:AS132R4JLF |
| AS1330 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:4MHz, Low Voltage, DC-DC Step-Up Converter |
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