Product Specification Summary for MLM305G

Basic Information

• Manufacturer: Texas Instruments
• Part Number: MLM305G
• Package Type: Metal Can
• Operating Temperature Range: 0°C to +70°C

General Description

• Type: Monolithic Positive Voltage Regulator
• Function: The MLM305G is a precision voltage regulator that can be programmed by a single external resistor to supply an output voltage from 4.5 volts to 40 volts.

Features and Benefits

• Output Currents: In excess of 10 A possible by the addition of external transistors.
• Load Regulation: Better than 0.1% at full load with current limiting.
• DC Line Regulation: 0.03% per volt.
• Ripple Rejection: 0.01% per volt.
• Temperature Stability: ±1.0% over the operating temperature range.
• Output Noise Voltage: 0.005V RMS (10 Hz to 10 kHz).
• Standby Current Drain: 1.0 mA max at Vin = 40V.

Applications

• Basic Regulator Circuit: Suitable for a wide range of applications requiring precise voltage regulation.
• Current Limiting: Provides built-in current limiting for enhanced reliability.

Ordering Information

• Device: MLM305G
• Temperature Range: 0°C to +70°C
• Package: Metal Can (CASE 601)

Electrical Characteristics

• Input Voltage Range (Vin):Min: 8.5VMax: 40V
• Output Voltage Range (Vo):Min: 4.5VMax: 40V
• Output-Ininput Voltage Differential (Vin-Vo):Min: 3.0V
• Load Regulation:Typ: 0.02% at 12 mA load (RsC = 182Ω, TA = +25°C)Max: 0.1%
• Line Regulation:Typ: 0.03% at Vin-Vo ≤ 5.0VMax: 0.1%Typ: 0.015% at Vin-Vo > 5.0V
• Ripple Rejection:Typ: 0.01% at Cref = 10 μF, f = 120 Hz
• Temperature Stability:Typ: ±0.3% over the operating temperature rangeMax: ±1.0%
• Feedback Sense Voltage (Vref):Typ: 1.63VMax: 1.81V
• Output Noise Voltage (Vn):Typ: 0.002V RMS (10 Hz to 10 kHz) at CRef > 0.1 μF
• Standby Current Drain (Is):Typ: 0.8 mA at Vin = 40VMax: 2.0 mA at Vin = 50V

Maximum Ratings (TA = +25°C unless otherwise noted)

• Input Voltage (Vin): 50V
• Input-Output Voltage Differential (Vin-Vo): 40V
• Power Dissipation (PD): 680 mW
• Operating Temperature Range (TA): 0°C to +70°C
• Storage Temperature Range (Tstg): -65°C to +150°C
• Lead Temperature (Ts): 300°C (soldering, t = 10 s)

Package Outline

• Dimensions:Length: 11.1 mmWidth: 11.1 mmHeight: 6.35 mm

Circuit Schematic

• Input: Metal Package
• Regulated Output: Vout
• Feedback: Vref
• Bypass: Reference Bypass
• Ground: Ground

Notes

1. Power Dissipation: The package must be derated based on thermal resistance to ensure reliable operation at elevated temperatures.
2. Temperature Characteristics: Specifications apply over the operating temperature range of -25°C to +85°C for the LM205 and 0°C to +70°C for the LM305.