Manufacturer Part Number
LM120H-12
Manufacturer
Texas Instruments
Introduction
The LM120H-12 is a negative fixed output linear low-dropout (LDO) regulator designed for power management, specifically in applications requiring a regulated lower voltage from a higher input voltage.
Product Features and Performance
Negative output configuration
Fixed output voltage of -12V
Maximum input voltage of -32V
Current output capacity of 200mA
Power supply rejection ratio (PSRR) of 64dB at 120Hz
Operates effectively from -55°C to 150°C
Product Advantages
Robust thermal performance due to over-temperature protection
High efficiency with low dropout
Stability with low quiescent current (1 mA)
Ideal for high-reliability applications due to a wide operating temperature range
Key Technical Parameters
Voltage - Input (Max): -32V
Voltage - Output (Min/Fixed): -12V
Current - Output: 200mA
Current - Quiescent (Iq): 1 mA
PSRR: 64 dB (120Hz)
Operating Temperature: -55°C ~ 150°C
Quality and Safety Features
Over-temperature protection ensures device operation under safe thermal conditions
Compatibility
Through hole mounting type fits standard TO-3 package
Suitable for power sensitive applications due to low quiescent current and noise rejection features
Application Areas
Suitable for automotive electronics, military and space applications, and high-performance computing systems requiring stable low voltage supply even under variable and harsh conditions
Product Lifecycle
Active product status
Not nearing discontinuation; no information on replacements or upgrades specified, confirming long-term availability
Several Key Reasons to Choose This Product
Reliable performance in extreme temperatures from -55°C to 150°C
Low dropout feature ensures efficiency in voltage regulation
Sturdy over-temperature protection enhances device safety and endurance
Low quiescent current optimizes power usage
High PSRR of 64dB at 120Hz effectively minimizes power supply noise
LM120H-12/883QSNS
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