Datasheet LT3028 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Dual 100mA/500mA Low Dropout, Low Noise, Micropower Regulators with Independent Inputs |
| Pages / Page | 16 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. SHDN1 or SHDN2 Pin Threshold. SHDN1 … |
| File Format / Size | PDF / 348 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. SHDN1 or SHDN2 Pin Threshold. SHDN1 or SHDN2 Pin Input. (Off-to-On). Current
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LT3028
W U TYPICAL PERFOR A CE 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 TJ = 25°C VSHDN = 20V 0.9 0.9 1.2 0.8 IL = FULL A) A) µ 0.8 µ 0.7 0.7 1.0 0.6 I 0.6 L = 1mA 0.8 0.5 0.5 0.4 0.6 0.4 0.3 0.3 0.4 SHDN PIN THRESHOLD (V) 0.2 0.2 SHDN PIN INPUT CURRENT ( SHDN PIN INPUT CURRENT ( 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) 3028 G16 3028 G17 3028 G18
ADJ1 or ADJ2 Pin Bias Current Output 2 Current Limit Output 2 Current Limit
100 350 350 VOUT2 = 0V VIN2 = 7V 90 TJ = 25°C VOUT2 = 0V 300 300 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) 3028 G19 3028 G20 3028 G21
Output 1 Current Limit Output 1 Current Limit
1.0 1.2 VOUT1 = 0V VIN1 = 7V 0.9 TJ = 25°C VOUT1 = 0V 1.0 0.8 0.7 0.8 0.6 0.5 0.6 0.4 CURRENT LIMIT (A) 0.4 0.3 CURRENT LIMIT (A) 0.2 0.2 0.1 0 0 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) TEMPERATURE (°C) 3028 G22 3028 G23 3028f 6
W U TYPICAL PERFOR A CE 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 TJ = 25°C VSHDN = 20V 0.9 0.9 1.2 0.8 IL = FULL A) A) µ 0.8 µ 0.7 0.7 1.0 0.6 I 0.6 L = 1mA 0.8 0.5 0.5 0.4 0.6 0.4 0.3 0.3 0.4 SHDN PIN THRESHOLD (V) 0.2 0.2 SHDN PIN INPUT CURRENT ( SHDN PIN INPUT CURRENT ( 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) 3028 G16 3028 G17 3028 G18
ADJ1 or ADJ2 Pin Bias Current Output 2 Current Limit Output 2 Current Limit
100 350 350 VOUT2 = 0V VIN2 = 7V 90 TJ = 25°C VOUT2 = 0V 300 300 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) 3028 G19 3028 G20 3028 G21
Output 1 Current Limit Output 1 Current Limit
1.0 1.2 VOUT1 = 0V VIN1 = 7V 0.9 TJ = 25°C VOUT1 = 0V 1.0 0.8 0.7 0.8 0.6 0.5 0.6 0.4 CURRENT LIMIT (A) 0.4 0.3 CURRENT LIMIT (A) 0.2 0.2 0.1 0 0 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) TEMPERATURE (°C) 3028 G22 3028 G23 3028f 6
