参数资料
| 型号： | AS1302-BWLT |
| 厂商： | ams |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SWITCHD CAP 5V 8WLCSP |
| 标准包装： | 1 |
| 类型： | 升压（升压），切换电容（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 2.9 V ~ 5.15 V |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 30mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFBGA，WLCSP |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-WLCSP |
| 其它名称： | AS1302-BWLTDKR |
Datasheet
AS1302
5V/30mA Adaptive Inductorless Boost Converter
1 General Description
2 Key Features
The AS1302 is a 30mA inductorless boost converter
using a double H-bridge charge-pump topology with two
external flying capacitors. The AS1302 charge pump
features 1:2 and 2:3 operation modes as well as a 1:1
operation mode where the input is directly connected to
the output.
The AS1302 runs on a 1.2MHz fixed frequency and is
utilized with a low noise regulation scheme to allow
usage together with sensitive RF circuitry from the same
battery supply. Additionally to increase efficiency the
AS1302 switches to 49kHz at light loads.
Designed to reside in portable and space limited
equipment the 1.2MHz charge pump converts a 2.9V to
5.15V input to regulated 5V output with 3% accuracy.
The shutdown function reduces the supply current to
<1μA and disconnects the load from the output. The
integrated soft-start circuitry prevents high inrush
currents being drawn from the battery during start-up.
The AS1302 includes built-in under-voltage lockout,
short circuit-, and thermal protection circuitry.
The AS1302 is available in TDFN (3x3x0.8mm) 10-pin
and an extremely small 1.2x1.2mm WL-CSP 8-bumps
package with 0.4mm pitch.
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Up to 90% Efficiency
2.9V to 5.15V Input Voltage
Regulated 5V Output
Automatic Mode Switching
<1μA Shutdown Current
Startup with Full Load (within 1ms)
Up to 30mA Load Current
Short Circuit Protection
Output Disconnected During Shutdown
Soft-Start
No Inductor Required
Small External Components Required
(C OUT =2.2μF, C FLY =220nF)
Low Noise Fixed Frequency (1.2MHz, 49kHz)
Charge Pump:
- 1:1 Battery Feed Through Mode
- 2:3 Single Phase Mode
- 1:2 Single Phase Mode
Package Options:
- TDFN (3x3x0.8mm) 10-pin
- WL-CSP 8-bumps with 0.4mm Pitch
3 Applications
The device is ideal for two or three AA cells or a single
Li-Ion battery cell to 5V conversion, mobile phones,
portable instruments, microprocessor based systems
and remote data-acquisition systems.
Figure 1. AS1302 - Typical Application Diagram
C FLY1
220nF
C1+
C1-
V BATT
2.9V to 5.15V
C BAT
VBATT
VOUT
V OUT = 5V
C OUT
2.2μF
On
Off
EN
AS1302
C2+
C2-
GND
2.2μF
220nF
C FLY2
Revision 1.03
1 - 18
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1302-EB | 制造商:ams 功能描述:AS1302 Evaluation Board |
| AS1302-WL_EK_ST | 功能描述:AS1302 - DC/DC, Step Up 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件状态:有效 主要用途:DC/DC，步升 输出和类型:1，非隔离 功率 - 输出:- 电压 - 输出:5V 电流 - 输出:30mA 电压 - 输入:2.9 V ~ 5.15 V 稳压器拓扑:升压 频率 - 开关:1.2MHz 板类型:完全填充 所含物品:板 使用的 IC/零件:AS1302 标准包装:1 |
| AS130-73 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPST RF Reflective Switch |
| AS130-73LF | 制造商:SKYWORKS 制造商全称:SKYWORKS 功能描述:GaAs SPST High-Isolation Switch 300 kHz-2.5 GHz |
| AS1308-02 | 功能描述:扬声器与变频器 8 OHM 800-5KHz RoHS:否 制造商:PUI Audio 产品:Speakers 类型:Electromagnetic 频率:900 Hz to 12 kHz 声压级:88 dBA 阻抗:8 Ohms 功率额定值:1.2 W 形状:Round 端接类型:Solder Pad 直径:15 mm 长度: 宽度: 深度:4.4 mm 磁体材料:Neodymium Iron Boran (NdFeB) 圆锥体材料:Mylar |
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