Datasheet LT3023 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Dual 100mA, Low Dropout, Low Noise, Micropower Regulator |
| Pages / Page | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. SHDN1 or SHDN2 Pin Threshold. SHDN1 … |
| File Format / Size | PDF / 281 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. SHDN1 or SHDN2 Pin Threshold. SHDN1 or SHDN2 Pin Input. (Off-to-On). Current
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LT3023
TYPICAL PERFORMANCE CHARACTERISTICS SHDN1 or SHDN2 Pin Threshold SHDN1 or SHDN2 Pin Input SHDN1 or SHDN2 Pin Input (Off-to-On) Current Current
1.0 1.0 1.4 VSHDN = 20V 0.9 0.9 1.2 0.8 IL = 100mA 0.8 0.7 0.7 1.0 0.6 I 0.6 L = 1mA 0.8 0.5 0.5 0.6 0.4 0.4 PIN THRESHOLD (V) 0.3 PIN INPUT CURRENT (μA) 0.3 PIN INPUT CURRENT (μA) 0.4 SHDN 0.2 0.2 SHDN SHDN 0.2 0.1 0.1 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SHDN PIN VOLTAGE (V) TEMPERATURE (°C) 3023 G10 3023 G11 3023 G12
ADJ1 or ADJ2 Pin Bias Current Current Limit Current Limit
100 350 350 V 90 OUT = 0V VIN = 7V 300 TJ = 25°C 300 VOUT = 0V 80 70 250 250 60 200 200 50 40 150 150 30 100 CURRENT LIMIT (mA) 100 ADJ PIN BIAS CURRENT (nA) 20 SHORT-CIRCUIT CURRENT (mA) 50 50 10 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3023 G13 3023 G14 3023 G15
Reverse Output Current Reverse Output Current Input Ripple Rejection
100 18 80 TA = 25°C VIN = 0V 90 VIN = 0V VOUT = VADJ = 1.22V 70 V 15 80 OUT = VADJ CURRENT FLOWS 60 70 INTO OUTPUT PIN 12 50 60 COUT = 10μF 50 9 40 40 30 6 30 RIPPLE REJECTION (dB) 20 20 REVERSE OUTPUT CURRENT (μA) REVERSE OUTPUT CURRENT (μA) 3 I 10 L = 100mA 10 VIN = 2.3V + 50mVRMS RIPPLE COUT = 1μF CBYP = 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 100 1000 OUTPUT VOLTAGE (V) TEMPERATURE (°C) FREQUENCY (kHz) 3023 G18 3023 G16 3023 G17 3023fa 5
TYPICAL PERFORMANCE CHARACTERISTICS SHDN1 or SHDN2 Pin Threshold SHDN1 or SHDN2 Pin Input SHDN1 or SHDN2 Pin Input (Off-to-On) Current Current
1.0 1.0 1.4 VSHDN = 20V 0.9 0.9 1.2 0.8 IL = 100mA 0.8 0.7 0.7 1.0 0.6 I 0.6 L = 1mA 0.8 0.5 0.5 0.6 0.4 0.4 PIN THRESHOLD (V) 0.3 PIN INPUT CURRENT (μA) 0.3 PIN INPUT CURRENT (μA) 0.4 SHDN 0.2 0.2 SHDN SHDN 0.2 0.1 0.1 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SHDN PIN VOLTAGE (V) TEMPERATURE (°C) 3023 G10 3023 G11 3023 G12
ADJ1 or ADJ2 Pin Bias Current Current Limit Current Limit
100 350 350 V 90 OUT = 0V VIN = 7V 300 TJ = 25°C 300 VOUT = 0V 80 70 250 250 60 200 200 50 40 150 150 30 100 CURRENT LIMIT (mA) 100 ADJ PIN BIAS CURRENT (nA) 20 SHORT-CIRCUIT CURRENT (mA) 50 50 10 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3023 G13 3023 G14 3023 G15
Reverse Output Current Reverse Output Current Input Ripple Rejection
100 18 80 TA = 25°C VIN = 0V 90 VIN = 0V VOUT = VADJ = 1.22V 70 V 15 80 OUT = VADJ CURRENT FLOWS 60 70 INTO OUTPUT PIN 12 50 60 COUT = 10μF 50 9 40 40 30 6 30 RIPPLE REJECTION (dB) 20 20 REVERSE OUTPUT CURRENT (μA) REVERSE OUTPUT CURRENT (μA) 3 I 10 L = 100mA 10 VIN = 2.3V + 50mVRMS RIPPLE COUT = 1μF CBYP = 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 100 1000 OUTPUT VOLTAGE (V) TEMPERATURE (°C) FREQUENCY (kHz) 3023 G18 3023 G16 3023 G17 3023fa 5
