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參數資料
| 型號： | AS1335-BTDT-100 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1.5A Buck Converter |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 1656K |
| 代理商： | AS1335-BTDT-100 |
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Datasheet
1 General Description
The AS1335 is a high-efficiency, constant-frequency
synchronous buck converter available in a fixed or an
adjustable output voltage version. The wide input volt-
age range (2.6V to 5.25V), the high output current (up to
1.5A) and minimal external component requirements
make the AS1335 perfect for any single Li-Ion battery-
powered application.
Typical supply current with no load is 400μA and
decreases to
≤
1μA in shutdown mode. The highly effi-
cient duty cycle (100%) provides low dropout operation,
prolonging battery life in portable systems.
The device also offers a power-ok signal with a 215ms
delay, which can be reseted or delayed further via the
RSI pin.
An internal synchronous switch increases efficiency and
eliminates the need for an external Schottky diode. The
internally fixed switching frequency (1.5MHz) allows for
the use of small surface mount external components.
The AS1335 is available in a 10-pin TDFN 3x3mm pack-
age.
Figure 1. AS1335 - Typical Application Diagram
2 Key Features
!
High Efficiency: Up to 96%
!
Output Current: 1.5A
!
Input Voltage Range: 2.6V to 5.25V
!
Output Voltage Range: 0.6V to V
IN
!
Constant Frequency Operation: 1.5MHz
!
No Schottky Diode Required
!
Power OK with 215ms delay
!
Low Dropout Operation: 100% Duty Cycle
!
Low Quiescent Supply Current: 400μA
!
Shutdown Mode Supply Current:
≤
1μA
!
Current Mode Operation for Excellent Line/Load
Transient Response
!
Thermal Protection
!
10-pin TDFN 3x3mm Package
3 Applications
The device is ideal for mobile communication devices,
laptops and PDAs, ultra-low-power systems, threshold
detectors/discriminators, telemetry and remote systems,
medical instruments, or any other space-limited applica-
tion with low power-consumption requirements.
AS1335
C
OUT
22μF
C
IN
22μF
V
IN
2.6V to 5.25V
V
OUT
1.0V, 1.5A
2.2μH
NC
GND
VIN
SW
POK
FB
EN
GND
PGND
RSI
相關PDF資料 |
PDF描述 |
|---|---|
| AS1335-BTDT-AD | 1.5A Buck Converter |
| AS1339-BWLT | 650mA Buck+2x10mA LDOs RF-PA; Package Type: CS-WLP-16 |
| AS1340A-BTDT-10 | 50V, 100mA, 1MHz, Boost |
| AS1341-BTDT | 20V, Hyst.600mA Buck Converter; Package Type: TDFN(3x3)-8 |
| AS1343A-BTDT-10 | 42V, 1MHz, Single Cell, Boost; Package Type: TDFN(3x3)-10; Temperature Range: -40 - +85 °C; Dimension: 3 x 3 mm; Shutdown: Yes; Output Current: 140mA; Output Range: 5.5 to 42V; Supply Voltage: 0,90-3,60 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AS1335-BTDT-AD | 功能描述:IC REG BUCK SYNC ADJ 10WFDFN 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:可調式 輸出數: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 |
| AS1336A/B EB | 制造商:AMS 功能描述:BOARD EVAL FOR AS1336A/B |
| AS1336A/B-EB | 制造商:ams 功能描述:AS1336A/B Evaluation Board |
| AS1336A-BQFT | 功能描述:IC REG BST SYNC ADJ 75MA 16TQFN 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:可調式 輸出數: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 |
| AS1336A-BQFT-AD | 制造商:AMS 功能描述:0 |
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