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- This item: HT7333-LDO 3.3V LINEAR VOLTAGE REGULATORS(
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HT7333A 3.3V 100mA Low Dropout Voltage Regulator SOT-89 is a compact linear voltage regulator designed for low-power applications requiring stable 3.3V supply. With its ultra-low dropout voltage and minimal quiescent current, it’s ideal for battery-powered devices, IoT modules, and portable electronics.
Key Features:
-
- Fixed 3.3V Output: ±2% voltage accuracy
- Ultra-Low Dropout: 40mV typical at 40mA load
- Low Quiescent Current: Just 4μA in standby mode
- Compact Package: Space-saving SOT-89-3 footprint
- No External Components: Requires only output capacitor
Technical Specifications:
-
- Input Voltage Range: 3.4V to 12V DC
- Output Voltage: 3.3V ±2%
- Output Current: Up to 100mA continuous
- Dropout Voltage: 40mV @ 40mA, 300mV @ 100mA
- Line Regulation: 0.05%/V typical
- Load Regulation: 0.3%/mA typical
- Operating Temperature: -40°C to +85°C
Pin Configuration (SOT-89-3):
-
- Pin 1 (GND): Ground connection
- Pin 2 (VOUT): 3.3V regulated output
- Pin 3 (VIN): Unregulated input voltage
Typical Application Circuit:
-
- Basic Setup:
- Input capacitor: 0.1μF ceramic (optional)
- Output capacitor: 1μF ceramic or tantalum
- Design Notes:
- Keep traces short for best stability
- Place output capacitor close to VOUT pin
- Input voltage must exceed 3.4V for regulation
- Basic Setup:
Thermal Characteristics:
-
- Thermal Resistance: 160°C/W (junction-to-air)
- Max Power Dissipation: 0.5W @ 25°C ambient
- Automatic Shutdown: Thermal overload protection
Applications:
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- Battery-Powered Devices: Efficient voltage conversion
- IoT Modules: ESP8266/ESP32 backup power
- Sensor Nodes: Low-power sensor arrays
- Portable Electronics: Handheld devices
- Reference Voltage: ADC/DAC power supply
Equivalent Regulators:
-
- XC6206P332MR: Similar SOT-23 regulator
- AP2112K-3.3: Higher current alternative
Datasheet:
Keywords:
-
- HT7333A 3.3V Regulator
- 100mA LDO Voltage Regulator
- SOT-89 3.3V Regulator
- Low Dropout 3.3V Regulator
- Battery Voltage Regulator
Package Includes:
-
- 1 x HT7333A 3.3V 100mA LDO Voltage Regulator SOT-89
Additional information
| Weight | .1 g |
|---|---|
| PACKAGE | SOT-89 |
by Nisu
Fast shipping and best price.
by VInod V
Ht7333 is a great product I have used this and gives a optimum regulation voltage