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| 型号： | AS1358-BTTT-45 |
| 厂商： | AUSTRIAMICROSYSTEMS AG |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 150mA 9μVrms, 92dB - LDO; Package Type: TSOT23-5; Output Range: 4.5V |
| 封装： | TSOT23-5 |
| 文件页数： | 1/16页 |
| 文件大小： | 900K |
| 代理商： | AS1358-BTTT-45 |
AS1358 / AS1359
150mA/300mA, Ultra-Low-Noise, High-PSRR Low Dropout Regulators
www.austriamicrosystems.com
Revision 1.5
1 - 16
Datasheet
1 General Description
The AS1358 / AS1359 are ultra-low-noise, low-dropout linear
regulators specifically designed to deliver up to 150/300mA
continuous output current, and can achieve a low 140mV dropout for
300mA load current. The LDOs are designed and optimized to work
with low-cost, small-capacitance ceramic capacitors.
The devices are available as the standard products listed in
Table 1
.
An integrated P-channel MOSFET pass transistor allows the devices
to maintain extremely low quiescent current (40μA).
The AS1358 / AS1359 uses an advanced architecture to achieve
ultra-low output voltage noise of 9μV
RMS
and a power-supply
rejection-ratio of better than 80dB (up to 10kHz).
The AS1358 / AS1359 requires only 1μF output capacitor for stability
at any load. When the LDO is disabled, current consumption drops
below 500nA.
The devices are available in a TSOT23 5-pin package.
Figure 1. Typical Application Circuit
2 Key Features
Preset Output Voltages: 1.5V to 4.5V (in 50mV steps)
Output Noise: 9μV
RMS
@ 100Hz to 100kHz
Power-Supply Rejection Ratio: 92dB @ 1kHz
Low Dropout: 140mV @ 300mA Load
Stable with 1μF Ceramic Capacitor for any Load
Guaranteed 150mA / 300mA Output
1.25V Internal Reference
Extremely-Low Quiescent Current: 40μA
Excellent Load/Line Transient
Overcurrent and Thermal Protection
TSOT23 5-pin Package
3 Applications
The devices are ideal for mobile phones, wireless phones, PDAs,
handheld computers, mobile phone base stations, Bluetooth portable
radios and accessories, wireless LANs, digital cameras, personal
audio devices, and any other portable, battery-powered application.
Table 1. Standard Products
Model
Load Current
Output Voltage
AS1358
150mA
Preset – 1.5V to 4.5V
AS1359
300mA
Preset – 1.5V to 4.5V
AS1358 / AS1359
4
BYPASS
2
GND
1
IN
5
OUT
3
SHDNN
C
IN
1μF
On
Off
Input
2V to 5.5V
C
OUT
1μF
Output
1.5V to 4.5V
C
BYPASS
10nF
相关PDF资料 |
PDF描述 |
|---|---|
| AS1360-18-T | 1.5μA Low-Power, 20V, LDO; Package Type: SOT23-3; Output Range: 1.8V |
| AS1360-21-T | 1.5μA Low-Power, 20V, LDO; Package Type: SOT23-3; Output Range: 2.1V |
| AS1360-25-T | 1.5μA Low-Power, 20V, LDO; Package Type: SOT23-3; Output Range: 2.5V |
| AS1360-30-T | 1.5μA Low-Power, 20V, LDO; Package Type: SOT23-3; Output Range: 3.0V |
| AS1360-33-T | 1.5μA Low-Power, 20V, LDO; Package Type: SOT23-3; Output Range: 3.3V |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1359 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:150mA/300mA, Ultra-Low-Noise, High-PSRR Low Dropout Regulators |
| AS1359-15 EB | 制造商:AMS 功能描述:BOARD EVAL FOR AS1359-15 |
| AS1359-15-EB | 制造商:ams 功能描述:AS1359 Evaluation Board |
| AS1359-18 EB | 制造商:AMS 功能描述:BOARD EVAL FOR AS1359-18 |
| AS1359-18-EB | 制造商:ams 功能描述:AS1359 Evaluation Board |
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