20V, 500mA, Low Noise,Low Dropout Linear Regulator, SGM2211 Replace ADP7118.
SGM2211
SGM2211.pdf
SGM2211.pdfFEATURES
• Input Voltage Range: 2.7V to 20V
• Low Noise:
- 9.3μVRMS at VOUT = 1.2V
- 11μVRMS at VOUT = 2.8V
- 14μVRMS at VOUT = 5.0V
• PSRR (VIN = VOUT(NOM) + 1V):
- 100dB at 1kHz
- 83dB at 10kHz
- 52dB at 100kHz
- 55dB at 1MHz
• Maximum Output Current: 500mA
• Output Voltage Accuracy: ±1% at +25℃
• Low Dropout Voltage:
360mV (TYP) at 500mA Load when VOUT = 5.0V
• User Programmable Soft-Start (TDFN Package Only)
• Low Quiescent Current: 39μA (TYP)
• Shutdown Current: 1.2μA (TYP)
• Stable with a 2.2μF Ceramic Output Capacitor
• Adjustable Output from 1.2V to (VIN - VDROP),
Output can be Adjusted above Initial Set Point
• Reverse Current Protection when VOUT > VIN
• Automatic VOUT Discharge when Disabled
• TDFN-2×2-6AL and SOT-23-5 Packages
PIN CONFIGUTION
优势替代
FEATURES
• Low noise: 11 µV rms independent of fixed output voltage
• PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz,
VOUT ≤ 5 V, VIN = 7 V
• Input voltage range: 2.7 V to 20 V
• Maximum output current: 200 mA
• Initial accuracy: ±0.8%
• Accuracy over line, load, and temperature
−1.2% to +1.5%, TJ = −40°C to +85°C
±1.8%, TJ = −40°C to +125°C
• Low dropout voltage: 200 mV (typical) at a 200 mA load,
VOUT = 5 V
• User programmable soft start (LFCSP and SOIC only)
• Low quiescent current, IGND = 50 μA (typical) with no load
• Low shutdown current: 1.8 μA at VIN = 5 V, 3.0 μA at VIN = 20 V
- Stable with a small 2.2 µF ceramic output capacitor
• Fixed output voltage options: 1.8V, 2.5V, 3.3V, 4.5 V, and 5.0V
- 16 standard voltages between 1.2 V and 5.0 V are available
• Adjustable output from 1.2 V to VIN – VDO, output can be
- adjusted above initial set point
• 2 mm × 2 mm, 6-lead LFCSP, 8-Lead SOIC, 5-Lead TSOT
PIN CONFIGUTION
