Low Noise, High PSRR, Negative Output, 500mA LDO, SGM2209 Replace ADP7182.
SGM2209
SGM2209.pdf
SGM2209.pdfFEATURES
• Low Noise:
- 10.5μVRMS at VOUT = -1.2V
- 12μVRMS at VOUT = -2.5V
- 16μVRMS at VOUT = -5.0V
• Power Supply Rejection Ratio (PSRR):
-60dB at 10kHz at VOUT = -2.5V
• Positive or Negative Enable Logic
• Stable with Small 2.2μF Ceramic Output Capacitor
• Input Voltage Range: -2.7V to -24V
• Maximum Output Current: -500mA
• Output Voltage Accuracy: ±1% at +25℃
• Low Quiescent Current:
IGND = -1.2mA (TYP) with -500mA Load
• Low Shutdown Current: -1.1μA (TYP)
• Adjustable Output from -1.2V to -VIN + VDROP
• Current-Limit and Thermal Overload Protection
• Available in Green TDFN-2×2-6AL, TDFN-3×3-8L
and SOT-23-5 Packages
PIN CONFIGUTION
优势替代
FEATURES
• Low noise: 18 µV rms
• Power supply rejection ratio (PSRR): 66 dBat 10kHz at VOUT=−3 V
• Positive or negative enable logic
• Stable with small 2.2 µF ceramic output capacitor
• Input voltage range: −2.7 V to −28 V
• Maximum output current: −200 mA
• Low dropout voltage: −185 mV at −200 mA load
• Initial accuracy: ±1%
• Accuracy over line, load, and temperature
+2% maximum/−3% minimum
• Low quiescent current, IGND = −650 µA with −200 mA load
• Low shutdown current: −2 µA
• Adjustable output from −1.22V to −VIN + VDO
• Current-limit and thermal overload protection
• 8-lead LFCSP and 5-lead TSOT
PIN CONFIGUTION
