BU13TD3WG-GTR

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

The BU13TD3WG-GTR is a fixed-output CMOS Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 1.3 V output with a maximum continuous current of 200 mA. The device operates within an input voltage range of 1.7 V to 6 V and maintains a typical power supply rejection ratio (PSRR) of 70 dB. Quiescent current consumption is limited to 35 uA, ensuring efficiency in battery-powered applications. The regulator features a dropout voltage ranging from 600 mV to 900 mV at full load. Line regulation is specified at 2 mV, while load regulation is 10 mV. Maximum power dissipation is rated at 540 mW. The component supports an operating temperature range from -40°C to +85°C and is housed in an SSOP-5 surface-mount package.

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

• CMOS LDO architecture optimized for low current consumption and high noise immunity
• Built-in over-current protection and thermal shutdown circuits for enhanced reliability
• Compatible with small ceramic capacitors for minimal external component requirements
• Fixed 1.3 V output voltage with high accuracy regulation

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

• Power supplies for logic ICs in portable equipment
• RF module power regulation
• Camera module power management
• Battery-powered consumer electronics

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

Verify the specific suffix GTR corresponds to the required reel packaging configuration before ordering. Confirm that the SSOP-5 footprint matches the target PCB design constraints. Ensure input voltage levels remain within the 1.7 V to 6 V operational window to prevent regulation failure. Check RoHS compliance documentation if environmental standards are mandatory for the final assembly process.

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

Select this component when a fixed 1.3 V rail is required with moderate 200 mA current capability. The low quiescent current makes it suitable for battery-operated devices where standby power loss is critical. The SSOP-5 package offers a compact solution for space-constrained designs. Consider the dropout voltage characteristics relative to the minimum input voltage available in the system to ensure stable regulation under all load conditions.

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

This part belongs to the BUxxTD3WG series of standard CMOS LDO regulators designed for portable equipment. The series shares common architectural features including low noise performance and small external capacitor compatibility. Variants within the series differ primarily in their fixed output voltage settings, allowing designers to select the precise rail voltage needed for different subsystems while maintaining consistent package and electrical interface characteristics.

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

BU11TD3WG-GTR: Provides 1.1 V output instead of 1.3 V; otherwise similar specifications. BU2JTD3WG-TR: Provides 2.85 V output; check dropout voltage differences. BU31TD3WG-TR: Provides 3.1 V output. Verify pinout compatibility across these variants as they share the SSOP-5 package.