Part Details for HT7133-1 by Holtek Semiconductor Inc
Results Overview of HT7133-1 by Holtek Semiconductor Inc
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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HT7133-1 Information
HT7133-1 by Holtek Semiconductor Inc is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for HT7133-1
| Part # | Distributor | Description | Stock | Price | Buy | |
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Chip 1 Exchange | INSTOCK | 14060 |
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RFQ |
Part Details for HT7133-1
HT7133-1 CAD Models
HT7133-1 Part Data Attributes
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HT7133-1
Holtek Semiconductor Inc
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Datasheet
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HT7133-1
Holtek Semiconductor Inc
Fixed Positive LDO Regulator, 3.3V, CMOS, PSSO3, SOT-89, 3 PIN
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | HOLTEK SEMICONDUCTOR INC | |
| Part Package Code | SOT-89 | |
| Pin Count | 3 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Holtek | |
| Adjustability | FIXED | |
| Dropout Voltage1-Max | 0.055 V | |
| Dropout Voltage1-Nom | 0.035 V | |
| Input Voltage Absolute-Max | 33 V | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 4.5 V | |
| JESD-30 Code | R-PSSO-F3 | |
| Length | 4.495 mm | |
| Line Regulation-Max | 0.1683% | |
| Load Regulation-Max | 0.045% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 150 °C | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current1-Max | 0.03 A | |
| Output Voltage1-Max | 3.399 V | |
| Output Voltage1-Min | 3.201 V | |
| Output Voltage1-Nom | 3.3 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SSO | |
| Package Equivalence Code | TO-243 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 1.6 mm | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Terminal Form | FLAT | |
| Terminal Pitch | 1.5 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tolerance-Max | 3% | |
| Width | 2.44 mm |
Alternate Parts for HT7133-1
This table gives cross-reference parts and alternative options found for HT7133-1. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of HT7133-1, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| MIC5206-3.0YMM | Microchip Technology Inc | $1.3520 | 3V FIXED POSITIVE LDO REGULATOR, 0.35V DROPOUT, PDSO8 | HT7133-1 vs MIC5206-3.0YMM |
| MIC5206-3.3YMM | Microchip Technology Inc | $1.3520 | 3.3V FIXED POSITIVE LDO REGULATOR, 0.35V DROPOUT, PDSO8 | HT7133-1 vs MIC5206-3.3YMM |
| MIC5206-4.0YMM-TR | Microchip Technology Inc | $1.9100 | 4V FIXED POSITIVE LDO REGULATOR, 0.35V DROPOUT, PDSO8 | HT7133-1 vs MIC5206-4.0YMM-TR |
| TC1173-2.8VUART | Microchip Technology Inc | Check for Price | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.48 V DROPOUT, PDSO8, MSOP-8 | HT7133-1 vs TC1173-2.8VUART |
| TPS71025PE4 | Texas Instruments | Check for Price | Low-Dropout (LDO) Voltage Regulator 8-PDIP 0 to 125 | HT7133-1 vs TPS71025PE4 |
| LP2951ACD-3.0R2 | onsemi | Check for Price | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45V DROPOUT, PDSO8, PLASTIC, SOIC-8 | HT7133-1 vs LP2951ACD-3.0R2 |
| TC1173-2.8VOART | Microchip Technology Inc | Check for Price | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.48 V DROPOUT, PDSO8, SOIC-8 | HT7133-1 vs TC1173-2.8VOART |
| TPS7325QP | Texas Instruments | Check for Price | 500-mA, 10-V, low-dropout voltage regulator with power good & enable 8-PDIP -40 to 85 | HT7133-1 vs TPS7325QP |
| LP2951ACD-3.0 | Rochester Electronics LLC | Check for Price | Fixed/Adjustable Positive LDO Regulator, 2.958V Min, 3.042V Max, 0.45V Dropout, PDSO8, PLASTIC, SOIC-8 | HT7133-1 vs LP2951ACD-3.0 |
| LP2951ACD-3.0R2 | Rochester Electronics LLC | Check for Price | Fixed/Adjustable Positive LDO Regulator, 2.958V Min, 3.042V Max, 0.45V Dropout, PDSO8, PLASTIC, SOIC-8 | HT7133-1 vs LP2951ACD-3.0R2 |
HT7133-1 Frequently Asked Questions (FAQ)
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It is recommended to follow a star connection for the power pins (VCC and GND) to minimize noise and ensure stable operation. Place decoupling capacitors close to the IC and use a solid ground plane to reduce EMI.
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Use a soft-start circuit to slowly ramp up the input voltage to prevent inrush currents. Also, ensure the input voltage is within the recommended range (4.5V to 18V) and use a suitable capacitor value for the VCC pin.
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The HT7133-1 can deliver up to 3A of output current, but it's recommended to derate the output current based on the ambient temperature and PCB layout to ensure reliable operation.
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The output voltage can be adjusted by using a resistive divider network between the VOUT pin and the GND pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula provided in the datasheet.
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The EN pin is used to enable or disable the regulator. When the EN pin is pulled high (above 2.5V), the regulator is enabled, and when it's pulled low (below 0.8V), the regulator is disabled. This pin can be used to implement power-saving modes or to control the regulator's operation.