S-1200B49-A6T1U vs S-1200B43-A6T1U
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| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear |
| Manufacturer | ABLIC U.S.A. Inc. | ABLIC U.S.A. Inc. |
| Description | IC REG LINEAR 4.9V 150MA HSNT-6A | IC REG LINEAR 4.3V 150MA HSNT-6A |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | S-1200 | S-1200 |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 6-SMD, Flat Lead Exposed Pad | 6-SMD, Flat Lead Exposed Pad |
| Supplier Device Package | HSNT-6A | HSNT-6A |
| Output Type | Fixed | Fixed |
| Voltage - Output (Min/Fixed) | 4.9V | 4.3V |
| Voltage - Output (Max) | - | - |
| Current - Output | 150mA | 150mA |
| Output Configuration | Positive | Positive |
| Control Features | Enable | Enable |
| Voltage - Input (Max) | 10V | 10V |
| Number of Regulators | 1 | 1 |
| Voltage Dropout (Max) | 0.19V @ 100mA | 0.19V @ 100mA |
| Current - Quiescent (Iq) | 1 µA | 1 µA |
| Current - Supply (Max) | 40 µA | 40 µA |
| PSRR | 65dB (1kHz) | 65dB (1kHz) |
| Protection Features | Over Current | Over Current |
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1. What is a linear regulator?
A linear regulator is an electronic device that is primarily used to maintain a specified output voltage stable when the input voltage or load conditions change. It is an important component in electronics that acts as a buffer to protect the components of the circuit from damage. A linear regulator works by using an active device (such as a BJT or MOSFET) controlled by a high-gain amplifier, using the variable conductivity of the active pass device to maintain the output voltage. This regulator acts as a voltage divider to produce a regulated output voltage, where a linear element (such as a resistive load) is used to regulate the output voltage. The transistor stays in its active region of operation during voltage regulation. To maintain a constant output voltage, the internal resistance can be varied, providing a variable resistance by using a transistor controlled by the amplifier feedback loop.
A linear regulator is also called a buck converter, where the output voltage is always -
2. What are the alternatives to linear regulators?
Alternatives to linear regulators include Semiconductor HT7144S, K7805-2000R3, TPS70933DBVR, CLR6212, XC6220B331MR-G, LR7550-M, SGM2054XTD10G/TR, ME6213C33M5G, RS3236-3.3YF5, KL2036-2.2V, etc. These alternatives cover different package forms (such as SOT-23, SOP8, etc.) and output voltage and current specifications to meet the needs of different applications. For example, the HT7144S is a three-terminal linear regulator, while the TPS70933DBVR is an LDO (low dropout linear regulator) with lower output voltage and current specifications. CLR6212 and XC6220B331MR-G provide higher output current capabilities and are suitable for applications that require larger current outputs. LR7550-M and SGM2054XTD10G/TR provide specific voltage and current specifications to meet the needs of specific fields. ME6213C33M5G and RS3236-3.3YF5 are regulators with specific packaging forms, suitable for space-constrained application scenarios. KL2036-2.2V is a linear regulator with a lower output voltage, su
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3. What is the difference between a linear regulator and a resistor?
Linear regulators and resistors have significant differences in function, working principle and application scenarios.
Function and working principle:
A linear regulator is an electronic device that achieves a stable voltage output by adjusting linear elements (such as resistors, transistors, etc.) in the circuit. It uses the negative feedback principle. When the input voltage changes, the regulator senses this change and adjusts the parameters of the circuit elements (such as the resistance value or the conduction state of the transistor) accordingly to keep the output voltage stable within the required range. Linear regulators can provide lower output noise and fluctuations, and have better responsiveness to load changes.
Resistors are a basic electronic component used to limit current and divide voltage. It works by hindering the flow of current, has a fixed resistance value, and does not have the function of adjusting the output voltage.
Application scenarios:
Linear regulator -
4. What is the minimum input voltage of a linear regulator?
The minimum input voltage range of linear regulator varies from model and application.
For certain low -voltage lower -voltage regulators, its minimum input voltage range is usually 2.5V to 2.7V. This type of regulator design is used to power the internal LDO drive circuit and can drive PMOS FET to provide high output current. However, when the output voltage is lower than 1.8V and the output current is greater than 2.5A, the linear regulator with PMOS bypass components may be used for external heat dissipation due to additional air flow requirements and/or the heat generated by the regulator. It becomes inconvenient and the cost will increase.
For universal linear stabilizers, its input voltage range can be very wide. For example, some general -purpose linear regulators have 3V to 40V input voltage range. Even for models suitable for 24V systems, the input maximum voltage can reach 60V Then, then
In summary, the minimum input voltage of the linear regulator does not have a fixed st
