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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - Linear~~S-812C24BMC-C4ET2U~~

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S-812C24BMC-C4ET2U - ABLIC Inc.

Manufacturer Part Number: S-812C24BMC-C4ET2U

Manufacturer: ABLIC

Allelco Part Number: 98D-S-812C24BMC-C4ET2U

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 28,690 pcs available, New & Original

Parts Description: IC REG LINEAR 2.4V 30MA SOT23-5

Package: SOT-23-5

Data sheet: S-812C24BMC-C4E.pdf

Datasheets
Cylindrical Battery Holders.pdf

PCN Design/Specification
Solder Plating Material Chg 10/Dec/2018.pdf All Dev Materials Chg 23/Mar/2020.pdf

RoHs Status: RoHS Compliant

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In stock: 28690

Unit Price: $0.521
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Specifications

S-812C24BMC-C4ET2U Tech Specifications
ABLIC Inc. - S-812C24BMC-C4ET2U technical specifications, attributes, parameters and parts with similar specifications to ABLIC Inc. - S-812C24BMC-C4ET2U

Product Attribute	Attribute Value
Manufacturer	ABLIC
Voltage Dropout (Max)	0.95V @ 10mA
Voltage - Output (Min/Fixed)	2.4V
Voltage - Output (Max)	-
Voltage - Input (Max)	16V
Supplier Device Package	SOT-23-5
Series	S-812C
Protection Features	Short Circuit
Package / Case	SC-74A, SOT-753
Package	Tape & Reel (TR)
PSRR	-

Product Attribute	Attribute Value
Output Type	Fixed
Output Configuration	Positive
Operating Temperature	-40°C ~ 85°C (TA)
Number of Regulators	1
Mounting Type	Surface Mount
Current - Supply (Max)	1.6 µA
Current - Quiescent (Iq)	500 nA
Current - Output	30mA
Control Features	Enable
Base Product Number	S-812

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

How does the S-812C24BMC-C4ET2U compare to other regulators in the S-812C series when considering dropout voltage and load current requirements for a 30mA system?: The S-812C24BMC-C4ET2U delivers a fixed 2.4V output with a maximum dropout voltage of 0.95V at 10mA, which is critical when input voltages are near the output level. At full 30mA load current, the actual dropout will exceed this specified value, so designs must ensure sufficient headroom between Vin and Vout. This performance is typical across the S-812C family, where each variant shares the same internal architecture and protection features but differs only in output voltage. When selecting among these, engineers must evaluate whether the 0.95V dropout at partial load meets their efficiency needs, especially in battery-powered applications where input voltage may decay over time.

What is the significance of the 500 nA quiescent current and 1.6 µA supply current in the S-812C24BMC-C4ET2U, and how do they affect low-power design decisions?: The S-812C24BMC-C4ET2U exhibits a quiescent current (Iq) of just 500 nA, which is exceptionally low for a linear regulator capable of sourcing 30mA. This enables extended operation from coin-cell or energy-harvesting sources in intermittent-use devices. However, note that the "Current - Supply (Max)" parameter listed as 1.6 µA appears inconsistent with standard terminology—this likely refers to shutdown current rather than active supply current. In practice, during active regulation, total current drawn from the input equals Iq plus the load current divided by efficiency. For a 30mA output at 2.4V under a 5V input, efficiency is roughly (2.4 / 5) ≈ 48%, resulting in an input current of about 62.5 mA. The ultra-low leakage makes this device suitable for always-on sensors or IoT edge nodes where sleep-mode consumption dominates power budget.

Can the S-812C24BMC-C4ET2U reliably operate in automotive environments given its operating temperature range and package characteristics?: The S-812C24BMC-C4ET2U is rated for industrial temperatures from -40°C to +85°C, which exceeds basic commercial-grade performance but falls short of AEC-Q100 qualified automotive standards. While it can function in many non-critical automotive subsystems such as infotainment or body electronics, it lacks the robustness required for under-hood or safety-related applications. Engineers should consider alternative parts with automotive qualification if exposed to thermal cycling, vibration, or humidity beyond controlled conditions. The SOT-23-5 package provides adequate solder joint reliability within the specified temperature window, assuming proper PCB layout and thermal management.

Why would someone choose the S-812C24BMC-C4ET2U over a switching regulator despite higher efficiency typically being associated with switchers?: The S-812C24BMC-C4ET2U offers simplicity, low noise, and compact size—advantages that often outweigh efficiency losses in noise-sensitive analog circuits like sensor interfaces, RF front-ends, or precision ADC supplies. With only 30mA output capability, the power loss (P_loss = (Vin - Vout) × I_load) remains manageable even at moderate input voltages. For example, from a 3.6V Li-ion cell down to 2.4V at 30mA, loss is only 36 mW. Combined with its 500 nA Iq and integrated enable pin, it simplifies control logic compared to discrete LDO implementations. Switching alternatives would require inductors, increase EMI risk, and consume more board space unless high-current demands justify the complexity.

How does the short circuit protection feature in the S-812C24BMC-C4ET2U influence fault tolerance in battery-backed systems?: The S-812C24BMC-C4ET2U includes built-in short-circuit protection that limits output current to safe levels during overload events. This prevents catastrophic failure due to accidental shorts on the output trace or connected load. In battery-powered designs, this protects both the regulator and the power source from excessive stress during connector insertion faults or wiring errors. Unlike some regulators that latch off after triggering protection, ABLIC’s implementation likely uses cycle-by-cycle or hiccup-mode recovery, allowing automatic restart once the fault clears. This enhances system resilience without requiring external fuses or current-limiting resistors, simplifying reliability engineering for consumer or industrial equipment.

What considerations apply when cascading multiple stages using the S-812C24BMC-C4ET2U in a multi-voltage microcontroller system?: Cascading regulators like the S-812C24BMC-C4ET2U requires attention to noise coupling, stability margins, and cumulative dropout voltage. Since this device generates low-noise DC, placing it before analog loads improves signal integrity. However, stacking several LDOs increases total power dissipation and footprint. For instance, driving two ICs—one at 2.4V (30mA) and another at 1.8V (20mA)—with a shared 5V rail using two S-812Cs results in total losses of (2.6×0.03)+(3.2×0.02)=0.078+0.064=0.142W. Engineers should verify that the combined Iq adds linearly (e.g., 1µA total) and that output capacitance doesn’t destabilize either stage. Additionally, enabling sequencing via the EN pin prevents inrush currents during power-up.

How does the Moisture Sensitivity Level (MSL) of 1 impact handling and storage of S-812C24BMC-C4ET2U components during manufacturing?: With an MSL rating of 1, the S-812C24BMC-C4ET2U is not sensitive to moisture absorption and can be stored indefinitely under normal ambient conditions without special dry packaging. This simplifies inventory management and reduces costs for manufacturers who handle high-volume production runs. No bake-out cycles are needed prior to reflow soldering, and exposure to typical factory humidity levels poses negligible risk of popcorning during thermal processing. This characteristic aligns well with automated assembly lines and Just-In-Time (JIT) supply chains common in consumer electronics manufacturing.

What role does the Enable pin play in optimizing power sequencing for microcontrollers powered by the S-812C24BMC-C4ET2U?: The Enable (EN) pin on the S-812C24BMC-C4ET2U allows software-controlled turn-on/off of the regulator, enabling precise power sequencing in multi-rail systems. By connecting EN to a GPIO pin, designers can delay activation until upstream rails stabilize or suppress startup transients that might reset downstream logic. For example, in a system with a buck converter supplying a microcontroller, asserting the MCU’s reset line high while holding its core supply low via the S-812C ensures clean initialization. The EN pin typically has threshold voltages compatible with standard CMOS levels, supporting direct digital control without additional level-shifting circuitry.

Parts with Similar Specifications

The three parts on the right have similar specifications to ABLIC Inc. S-812C24BMC-C4ET2U

Product Attribute
Part Number	S-812C24BMC-C4ET2G	S-812C24AMC-C2ET2U	S-812C24AMC-C2ET2G	S-812C24BPI-C4ETFU
Manufacturer	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Voltage - Output (Max)	-	-	-	-
Voltage - Input (Max)	-	-	-	-
Output Configuration	-	-	-	-
PSRR	-	-	-	-
Current - Supply (Max)	-	-	-	-
Voltage - Output (Min/Fixed)	-	-	-	-
Current - Quiescent (Iq)	-	-	-	-
Series	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Protection Features	-	-	-	-
Number of Regulators	-	-	-	-
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Voltage Dropout (Max)	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Control Features	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Current - Output	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)

S-812C24BMC-C4ET2U Datasheet PDF

Download S-812C24BMC-C4ET2U pdf datasheets and ABLIC Inc. documentation for S-812C24BMC-C4ET2U - ABLIC Inc..

Datasheets: Cylindrical Battery Holders.pdf
PCN Design/Specification: Solder Plating Material Chg 10/Dec/2018.pdf All Dev Materials Chg 23/Mar/2020.pdf

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

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Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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