1A, Low Noise, Wide Bandwidth, High PSRR, Low Dropout Linear Regulator.
SGM2079Q
SGM2079Q.pdf
SGM2079Q.pdf
No.14168
FEATURES
• AEC-Q100 Qualified for Automotive Applications Device
Temperature Grade 1
TA = -40℃ to +125℃
• Operating Input Voltage: 2.2V to 5.5V
• Adjustable Output Voltage: 0.8V to 5.0V
• Low Dropout Voltage: 140mV (TYP) at 1A
• Low Noise:
13μVRMS (TYP) at VOUT(NOM) = 1.1V (10Hz to 100kHz)
• Power Supply Rejection Ratio at VOUT(NOM) = 1.1V:
74dB (TYP) at 1kHz
66dB (TYP) at 10kHz
48dB (TYP) at 1MHz
• Current Limiting and Thermal Protection
• Excellent Load and Line Transient Responses
• With Output Automatic Discharge
• Stable with Small Case Size Ceramic Capacitors
• -40℃ to +125℃ Operating Temperature Range
• Available in a Green TDFN-3×3-8JL Package
DESCRIPTION
The SGM2079xQ is a low noise, high PSRR, low dropout voltage linear regulator. It is capable of supplying 1A output current with typical dropout voltage of only 140mV. The operating input voltage range is from 2.2V to 5.5V and output voltage range is from 0.8V to 5.0V.
Other features include logic-controlled shutdown mode, short-circuit current limit and thermal shutdown protection. The SGM2079xQ has automatic discharge function to quickly discharge VOUT in the disabled status.
This device is AEC-Q100 qualified (Automotive Electronics Council (AEC) standard Q100 Grade 1) and it is suitable for automotive applications.
The SGM2079xQ is available in a Green TDFN-3×3-8JL package. It operates over an operating temperature range of -40℃ to +125℃.
APPLICATION CIRCUIT
PIN CONFIGUTION
