Datasheet MAX38911, MAX38912 (Maxim) - 9

MAX38911/MAX38912 11µVRMS Low-Noise, 500mA LDO Linear Regulators with Low-Power Mode
INPUT SUPPLY PSRR vs. FREQUENCY INPUT SUPPLY PSRR vs. FREQUENCY
0 toc17 0 toc18 V V -10 IN = 2.5V, VOUT = 1.8V -10 IN = 1.7V, VOUT = 1.0V -20 -20 -30 ) IOUT = 500mA -30 I B ) OUT = 500mA B -40 -40 -50 -50 GNITUDE (d -60 A GNITUDE (d -60 M A M -70 -70 IOUT = 250mA IOUT = 250mA -80 -80 -90 I I OUT = 100mA -90 OUT = 100mA -100 -100 10 100 1000 10000 100000 1000000 10000000 10 100 1000 10000 100000 1000000 10000000 FREQUENCY (Hz) FREQUENCY (Hz)
OUTPUT NOISE SPECTRAL DENSITY OUTPUT NOISE SPECTRAL DENSITY vs. FREQUENCY vs. FREQUENCY
toc19 toc20 1E-05 1E-05 VIN= 2.1V, VOUT = 1.8V VIN = 2.1V, VOUT = 1.8V, IOUT = 500mA I OUT = 100mA C ) BYP = 10nF I ) OUT = 250mA C Hz BYP = 47nF √ 1E-06 Hz √ 1E-06 C (V/ I OUT = 500mA (V/ BYP = 100nF TY TY DENSI DENSI E E 1E-07 1E-07 NOIS NOIS 1E-08 1E-08 1 10 100 1K 10K 100K 1 10 100 1K 10K 100K FREQUENCY (Hz) FREQUENCY (Hz) www.maximintegrated.com Maxim Integrated | 9 Document Outline General Description Applications Benefits and Features Application Diagram Absolute Maximum Ratings Package Information Electrical Characteristics Typical Operating Characteristics Pin Configurations Pin Descriptions Simplified Block Diagram Detailed Description Modes of Operation Low-Power Mode of Operation High-Power Mode of Operation MODE Transition Enable (EN) Bypass (BYP) Power-OK (POK) Protection Undervoltage Lockout (UVLO) Output Voltage Configuration MAX38911 Output Voltage Configuration MAX38912 Output Voltage Configuration Application Information Input and Output Capacitors Thermal Consideration Typical Application Circuits Ordering Information