S-1335A22-A4T2U3

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The S-1335A22-A4T2U3 is a positive voltage regulator IC from the S-1335 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 2.2 V with an accuracy of ±1.0%. The device supports an output current of up to 150 mA and operates within an input voltage range of 1.5 V to 5.5 V. It features a typical dropout voltage of 70 mV at 100 mA and low current consumption of 36 μA during operation. The component utilizes HSNT-4 (1010) surface-mount packaging.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated soft-start function controls output voltage rise time after power-on or activation of the ON/OFF pin.
• Built-in overcurrent protection circuit limits load current to prevent exceeding the capacity of the output transistor.
• ON/OFF circuit enables long battery life in battery-powered devices through controlled shutdown states.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Constant-voltage power supply for digital still cameras
• Constant-voltage power supply for television equipment
• Constant-voltage power supply for cellular phones
• Constant-voltage power supply for portable equipment

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific product type 'A' configuration, which includes active high ON/OFF logic, available discharge shunt function, and available pull-down resistor. Confirm the HSNT-4 (1010) package designation matches the required board layout. Ensure environmental compliance requirements such as lead-free and halogen-free status are met for the target assembly process.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 2.2 V output is required with high-density mounting constraints. The HSNT-4 (1010) package is suitable for applications needing small footprint solutions. Consider the built-in soft-start feature if minimizing output voltage overshoot during startup is critical. Verify that the application's thermal dissipation requirements align with the package's power handling capabilities under maximum load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the S-1335 Series of CMOS voltage regulators developed by ABLIC Inc. The series offers various output voltages selectable in 0.05 V steps and multiple package options including SOT-23-5, SC-82AB, and HSNT-4 (1010). The S-1335A22-A4T2U3 specifically represents the 'A' type variant with defined internal functions and the HSNT-4 (1010) physical form factor.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

S-1335A22-N4T1U3 (SC-82AB package)

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the soft-start time for the S-1335A22-A4T2U3?

The soft-start time is fixed at 0.1 ms typ. for the S-1335 Series A type.

Does the S-1335A22-A4T2U3 have a pull-down resistor?

Yes, the Series A type includes an available pull-down resistor function.