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参数资料
| 型号： | AS1362-BTTT-30 |
| 厂商： | AUSTRIAMICROSYSTEMS AG |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 300mA 9μVrms, 92dB, POK; Package Type: TSOT23-6; Temperature Range: -40 - +85 °C; Dimension: 3 x 3 mm; Miscellaneous: Ultra-Low-Noise, POK; Shutdown: Yes; Output Current: 300mA; Output Range: 3.3V; Supply Voltage: 2,00-5,50 |
| 中文描述： | 无电容，NMOS管，150mA的低压差稳压器的反向电流保护 |
| 封装： | TSOT23-6 |
| 文件页数： | 12/15页 |
| 文件大小： | 730K |
| 代理商： | AS1362-BTTT-30 |
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Revision 1.03
12 - 15
AS1361/AS1362
Datasheet - Application Information
9 Application Information
Capacitor Selection and Regulator Stability
For normal operation, use a 1μF capacitor at pin IN and a 1μF capacitor at pin OUT. Larger input capacitor values and
lower ESR provide better noise rejection and line-transient response. Reduce output noise and improve load-transient
response, stability, and power-supply rejection by using large output capacitors.
Note:
Some ceramic dielectrics exhibit large capacitance and ESR variation with temperature. With dielectrics such
as Z5U and Y5V, it may be necessary to use a 2.2μF or larger output capacitor to ensure stability at tempera-
tures below -10°C. With X7R or X5R dielectrics, 1μF is sufficient at all operating temperatures.
Bypass Capacitor
Use a 0.01μF bypass capacitor at pin BYPASS for low-output voltage noise reduction. The leakage current going into
pin BYPASS should be less than 10nA. Increasing the capacitance slightly decreases the output noise. Values above
0.1μF and below 0.001μF are not recommended.
Noise, PSRR, and Transient Response
The AS1361/AS1362 are designed to deliver ultra-low noise and high PSRR, as well as low dropout and low quiescent
currents in battery-powered systems. The power-supply rejection is 92dB at 1kHz and 62dB at 100kHz.
(see PSRR vs.
Frequency; IOUT = 10mA on page 7)
.
When operating from sources other than batteries, improved supply-noise rejection and transient response can be
achieved by increasing the values of the input and output capacitors, and through passive filtering techniques.
The
Figure 16
and
Figure 14 on page 8
show the AS1361/AS1362 line- and load-transient responses.
Dropout Voltage
The AS1361/AS1362 minimum dropout voltage determines the lowest usable supply voltage. In battery-powered sys-
tems, this determines the useful end-of-life battery voltage.
Since the AS1361/AS1362 use a P-channel MOSFET pass transistor, the dropout voltage is a function of drain-to-
source on-resistance (R
DS(ON)
) multiplied by I
LOAD
(see Figure 6 on page 6)
.
相关PDF资料 |
PDF描述 |
|---|---|
| AS1362-BTTT-33 | 300mA 9μVrms, 92dB, POK; Package Type: TSOT23-6; Output Range: 3.3V |
| AS1362-BTTT-45 | 300mA 9μVrms, 92dB, POK; Package Type: TSOT23-6; Output Range: 4.5V |
| AS1363-BSTT-AD | 500mA Low-Dropout, Low Noise |
| AS1364-BTDT-AD | 1A LDO, Low Noise |
| AS1367-BTDT-12 | Adaptive LDO |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1362-BTTT-30 EB | 制造商:ams 功能描述:Evaluation Board |
| AS1362BTTT33 | 制造商:ams 功能描述:IC LDO VOLT REG 3.3V 0.3A 6-TSOT-23 制造商:ams 功能描述:IC, LDO VOLT REG, 3.3V, 0.3A, 6-TSOT-23, Input Voltage Min:2V, Input Voltage Max:5.5V, Output Current:300mA, Dropout Voltage Vdo:140mV, No. of Pins:6, Operating Temperature Min:-40C, Operating Temperature Max:85C, MSL:- , RoHS Compliant: Yes |
| AS1362-BTTT-33 | 功能描述:IC REG LDO 3.3V .3A TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:8V 输入电压:10.5 V ~ 23 V 电压 - 压降（标准）:1.7V @ 40mA 稳压器数量:1 电流 - 输出:100mA（最小值） 电流 - 限制（最小）:- 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:剪切带 (CT) 产品目录页面:1075 (CN2011-ZH PDF) 其它名称:296-24390-1 |
| AS1362-BTTT-39 | 功能描述:IC REG LDO 3.9V .3A TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，固定式 输出电压:2.5V 输入电压:2.5 V ~ 5.5 V 电压 - 压降（标准）:- 稳压器数量:1 电流 - 输出:300mA（最小值） 电流 - 限制（最小）:360mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 供应商设备封装:TSOT-23-5 包装:带卷 (TR) |
| AS1362-BTTT-45 | 功能描述:IC REG LDO 4.5V .3A TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，固定式 输出电压:2.5V 输入电压:2.5 V ~ 5.5 V 电压 - 压降（标准）:- 稳压器数量:1 电流 - 输出:300mA（最小值） 电流 - 限制（最小）:360mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 供应商设备封装:TSOT-23-5 包装:带卷 (TR) |
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