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- Part Number HT7833
- Manufacturer Holtek
- Pin Count 5
- Part Category Integrated Circuit
- Package Category SOT23 (5-Pin)
- Footprint Name SOT23 (5-Pin) - 5-pin SOT23-5
- Released Date Nov 23, 2019
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
HT7833 Details
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Manufacturer Part Number:
HT7833
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Holtek Semiconductor Inc
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YTEOL:
6.8
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Regulator Type:
FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
HT7833 Frequently Asked Questions (FAQs)
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The recommended layout and placement for the HT7833 involves keeping the device away from high-frequency noise sources, using a solid ground plane, and placing decoupling capacitors close to the power pins. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
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To ensure proper power-up and initialization, the HT7833 requires a stable power supply, a reset signal (RST) that is held low for at least 100ns, and a clock signal (CLK) that is stable before releasing the reset signal. The device should also be powered up in a specific sequence, with VDD powered up before VBAT.
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The maximum current that can be drawn from the HT7833's internal voltage regulator is 50mA. Exceeding this current may cause the regulator to overheat or malfunction.
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The HT7833's BOD and POR functions can be configured through the device's registers. The BOD threshold voltage can be set to one of four levels (2.0V, 2.2V, 2.5V, or 2.7V), and the POR delay can be set to one of two levels (1ms or 10ms). Consult the datasheet for specific register settings and configuration details.
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The recommended oscillator crystal frequency for the HT7833 is 32.768kHz, and the recommended load capacitance is 12pF to 20pF. The crystal frequency and load capacitance can be adjusted to optimize the oscillator's performance and stability.
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HT7833 Overview
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