Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
Product Details:
Payment & Shipping Terms:
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Supply Voltage (VIN) .: | –20V To +32V | Enable Input Voltage (VEN) .: | –0.3V To +32V |
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Power Dissipation (PD),: | Internally Limited | Junction Temperature (TJ): | .–40°C To +125°C |
Storage Temperature (TS) ..: | –65°C To +150°C | Payment Term: | T/T, W/S, PAYPAL |
High Light: | bridge rectifier circuit,signal schottky diode |
MIC5239 Low Quiescent Current 500mA µCap LDO Regulator
General Description
The MIC5239 is a low quiescent current, µCap low-dropout regulator. With a maximum operating input voltage of 30V and a quiescent current of 23µA, it is ideal for supplying keepalive power in systems with high-voltage batteries. Capable of 500mA output, the MIC5239 has a dropout voltage of only 350mV. It can provide high output current for applications such as USB. As a µCap LDO, the MIC5239 is stable with either a ceramic or a tantalum output capacitor. It only requires a 3.3µF output capacitor for stability. The MIC5239 includes a logic compatible enable input and an undervoltage error flag indicator. Other features of the MIC5239 include thermal shutdown, current-limit, overvoltage shutdown, load-dump protection, reverse leakage protections, and reverse battery protection. Available in the thermally enhanced SOIC-8, MSOP-8 and SOT-223, the MIC5239 comes in fixed 3.0V and adjustable voltages. For other output voltages, contact Micrel.
Features
• Ultra-low quiescent current (IQ = 23µA @IO = 100µA)
• Continuious 500mA output current
• Wide input range: 2.3V to 30V
• Low dropout voltage: 350mV @500mA;
• ±1.0% initial output accuracy
• Stable with ceramic or tantalum output capacitor
• Logic compatible enable input
• Low output voltage error flag indicator
• Overcurrent protection
• Thermal shutdown
• Reverse-leakage protection
• Reverse-battery protection
• High-power SOIC-8, MSOP-8 and SOT-223 packages
Pin Configuration
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