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| 型号： | LT1963AES8-3.3 |
| 厂商： | Linear Technology |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V 1.5A 8SOIC |
| 标准包装： | 100 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 20V |
| 电压 - 压降（标准）： | 0.34V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.6A |
| 工作温度： | -40°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： | 管件 |
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LT1963A Series
1.5A, Low Noise,
Fast Transient Response
LDO Regulators
Optimized for Fast Transient Response
Output Current: 1.5A
Dropout Voltage: 340mV
Low Noise: 40μV RMS (10Hz to 100kHz)
1mA Quiescent Current
No Protection Diodes Needed
Controlled Quiescent Current in Dropout
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
Adjustable Output from 1.21V to 20V
< 1μA Quiescent Current in Shutdown
Stable with 10μF Output Capacitor*
Stable with Ceramic Capacitors*
Reverse Battery Protection
No Reverse Current
Thermal Limiting
5-Lead TO-220, DD, 3-Lead SOT-223 and
3.3V to 2.5V Logic Power Supplies
Post Regulator for Switching Supplies
FEATURES
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8-Lead SO Packages
APPLICATIONS
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DESCRIPTION
The LT ? 1963A series are low dropout regulators optimized
for fast transient response. The devices are capable of
supplying 1.5A of output current with a dropout voltage of
340mV. Operating quiescent current is 1mA, dropping to
< 1μA in shutdown. Quiescent current is well controlled; it
does not rise in dropout as it does with many other regula-
tors. In addition to fast transient response, the LT1963A
regulators have very low output noise which makes them
ideal for sensitive RF supply applications.
Output voltage range is from 1.21V to 20V. The LT1963A
regulators are stable with output capacitors as low as
10μF. Internal protection circuitry includes reverse bat-
tery protection, current limiting, thermal limiting and
reverse current protection. The devices are available in
fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as
an adjustable device with a 1.21V reference voltage. The
LT1963A regulators are available in 5-lead TO-220, DD,
3-lead SOT-223, 8-lead SO and 16-lead TSSOP packages.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners. Protected by U.S. Patents including 6118263, 6144250.
*See Applications Information Section.
TYPICAL APPLICATION
Dropout Voltage
3.3V to 2.5V Regulator
400
350
V IN > 3V
+
10μF*
IN OUT
LT1963A-2.5
+
10μF*
2.5V
1.5A
300
250
SHDN
SENSE
200
GND
1963A TA01
*TANTALUM,
CERAMIC OR
ALUMINUM ELECTROLYTIC
150
100
50
0
0
0.2
0.4
0.6 0.8
1.0
1.2
1.4 1.6
OUTPUT CURRENT (A)
1963A TA02
1
For more information www.linear.com/LT1963A
1963aff
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1963AES8PBF | 制造商:Linear Technology 功能描述: |
| LT1963AES8-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise, Fast Transient Response LDO Regulators |
| LT1963AES8TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AES8TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AEST | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise, Fast Transient Response |
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