Datasheet LTC3025-1, LTC3025-2, LTC3025-3, LTC3025-4 (Analog Devices) - 6

LTC3025-1/LTC3025-2/ LTC3025-3/LTC3025-4
Typical perForMance characTerisTics (TA = 25°C unless otherwise noted) VIN Ripple Rejection BIAS Ripple Rejection vs Frequency vs Frequency 3MHz VIN Supply Rejection
70 70 50 45 60 60 C COUT = 10µF OUT = 10µF COUT = 10µF 40 50 50 35 COUT = 1µF 30 40 40 C 25 OUT = 1µF 30 30 20 REJECTION (dB) C REJECTION (dB) REJECTION (dB) OUT = 1µF 20 15 20 V V BIAS = 3.6V BIAS = 3.6V V 10 V 10 IN = 1.5V 10 IN = 1.5V VOUT = 1.2V 5 VBIAS = 3.6V IOUT = 100mA VOUT = 1.2V IOUT = 100mA VOUT = 1.2V IOUT = 300mA IOUT = 100mA 0 0 0 100 1k 10k 100k 1M 10M 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 100 1k 10k 100k 1M 10M FREQUENCY (Hz) VIN (V) FREQUENCY (Hz) 30251234 G11 30251234 G12 30251234 G10
VIN to VOUT Dropout Voltage VIN to VOUT Dropout Voltage Transient Response vs VIN (25°C) LTC3025-1 vs VIN (90°C) LTC3025-1
0.300 0.300 250mA 0.275 BIAS = 2.7V 0.275 IOUT 0.250 0.250 10mA 0.225 0.225 0.200 BIAS = 3V BIAS = 3.3V 0.200 0.175 0.175 0.150 0.150 VOUT BIAS = 3.8V AC 0.125 BIAS = 3.8V 0.125 10mV/DIV DROPOUT (V) DROPOUT (V) 0.100 0.100 BIAS = 5V 0.075 BIAS = 5V 0.075 BIAS = 3.3V V 0.050 VADJ = 0.385 0.050 VADJ = 0.385 IN = 1.5V 100µs/DIV 30251234 G13 BIAS = 3V V I IOUT = 500mA OUT = 1.2V 0.025 OUT = 500mA 0.025 BIAS = 2.7V V T TA = 90°C BIAS = 3.6V A = 25°C 0 0 COUT = 1µF 1 1.5 2 2.5 3 3.5 4 4.5 1 1.5 2 2.5 3 3.5 4 4.5 VIN (V) VIN (V) 30251234 G14 30251234 G15 30251234ff 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts