LT1964ES5-5
Negative 5V low-dropout regulator in a small 5-pin TSOT-23 package, supporting up to 0.2A output currentLT1964ES5-5
Negative 5V low-dropout regulator in a small 5-pin TSOT-23 package, supporting up to 0.2A output current
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製造商零件號 # : LT1964ES5-5
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包裝/封裝: SOT23-5
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零件狀態 : OBSOLETE
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製造商: Analog Devices
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產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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LT1964ES5-5 數據表
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詳細說明
The LT®1964 is a micropower low noise, low dropout negative regulator. The device is capable of supplying 200mA of output current with a dropout voltage of 340mV. Low quiescent current (30µA operating and 3µA shut down) makes the LT1964 an excellent choice for battery powered applications. Quiescent current is well controlled in dropout.FEATURES ■ Low Profile (1mm) ThinSOTTM Package ■ Low Noise: 30µVRMS (10Hz to 100kHz) ■ Low Quiescent Current: 30µA ■ Low Dropout Voltage: 340mV ■ Output Current: 200mA ■ Fixed Output Voltage: –5V ■ Adjustable Output from –1.22V to –20V ■ Positive or Negative Shutdown Logic ■ 3µA Quiescent Current in Shutdown ■ Stable with 1µF Output Capacitor ■ Stable with Aluminum, Tantalum, or Ceramic Capacitors ■ Thermal LimitingAPPLICATIONS ■ Battery-Powered Instruments ■ Low Noise Regulator for Noise-Sensitive Instrumentation ■ Negative Complement to LT1761 Family of Positive LDOs
主要特徵
- The MCP73811 is a high efficiency voltage regulator module
- It features a built-in bypass diode to prevent over-discharge
- It has a compact size with a footprint of 0.75" x 0.6"
應用
- Capacitor selection is crucial
- Consider dielectric characteristics
- LT1964ES5-5 package details
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | LDO Voltage Regulators | RoHS | N |
Mounting Style | SMD/SMT | Package / Case | SOT-5 |
Output Voltage | - 5 V | Output Current ! | 200 mA |
Number of Outputs | 1 Output | Polarity | Negative |
Quiescent Current ! | 30 uA | Input Voltage, Min | - 20 V |
Input Voltage, Max | - 1.9 V | PSRR / Ripple Rejection - Typ | 54 dB |
Output Type | Fixed | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 125 C | Dropout Voltage ! | 340 mV |
Series | LT1964 | Brand | Analog Devices |
Dropout Voltage - Max | 420 mV | Line Regulation ! | 15 mV |
Load Regulation ! | 15 mV | Operating Supply Current | 30 uA |
Product | LDO Voltage Regulators | Product Type ! | LDO Voltage Regulators |
Subcategory | PMIC - Power Management ICs | Type | Low Dropout Micropower Regulator |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LT1964ES5-5?
The LT1964ES5-5 is a low dropout linear voltage regulator manufactured by Analog Devices. It is designed to provide a stable and precise output voltage despite changes in input voltage or load conditions, making it suitable for various electronic devices and systems.
How Does LT1964ES5-5 Work?
The LT1964ES5-5 regulates the output voltage by comparing the reference voltage with a divided fraction of the output voltage and providing the necessary feedback to ensure regulation. It maintains a constant output voltage by adjusting the pass transistor to compensate for input voltage fluctuations and load variations.
How Many Pins does LT1964ES5-5 have and What are the Functions of the Pinout Configuration?
The LT1964ES5-5 is housed in a SOT-23 package with 5 pins. The pinout configuration includes:
- OUT: Regulated output voltage pin.
- IN: Input voltage pin.
- GND: Ground pin.
- SHDN: Shutdown control pin.
- ADJ: Output voltage adjust pin.
What are the Pros and Cons of LT1964ES5-5?
Pros:
- Low Dropout Voltage: Operates with a low dropout voltage, ensuring efficient voltage regulation.
- Precision Regulation: Provides stable and accurate output voltage, suitable for sensitive electronic circuits.
- Low Noise and Ripple: Minimizes output noise and ripple for clean power delivery.
- Thermal Shutdown Protection: Includes thermal shutdown protection to prevent overheating.
- Compact Size: SOT-23 package offers space-saving benefits for compact designs.
Cons:
- Higher Cost: May be more expensive compared to standard linear regulators.
- External Components: Requires external capacitors and resistors for proper operation and stability.
- Heat Dissipation: May require additional heat sinking for higher power dissipation applications.
Are There Any Equivalents/Alternatives to LT1964ES5-5 for Recommendation?
- Alternatives to the LT1964ES5-5 include the LM2940 from Texas Instruments and the LP2950 from ON Semiconductor.
- The equivalent part to the LT1964ES5-5 is the MAX8881 from Maxim Integrated.
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