Datasheet LT3021, LT3021-1.2, LT3021-1.5, LT3021-1.8 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| Pages / Page | 18 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. SHDN Pin Input Current. Current … |
| File Format / Size | PDF / 326 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. SHDN Pin Input Current. Current Limit. Reverse Output Current. Load Regulation
Model Line for this Datasheet
- LT3021EDH#PBF LT3021EDH#TRPBF LT3021EDH-1.2#PBF LT3021EDH-1.2#TRPBF LT3021EDH-1.5#PBF LT3021EDH-1.5#TRPBF LT3021EDH-1.8#PBF LT3021EDH-1.8#TRPBF LT3021ES8#PBF LT3021ES8#TRPBF LT3021ES8-1.2#PBF LT3021ES8-1.2#TRPBF LT3021ES8-1.5#PBF LT3021ES8-1.5#TRPBF LT3021ES8-1.8#PBF LT3021ES8-1.8#TRPBF LT3021IS8-1.8#PBF LT3021IS8-1.8#TRPBF
Text Version of Document
LT3021/LT3021-1.2/ LT3021-1.5/LT3021-1.8
TYPICAL PERFORMANCE CHARACTERISTICS SHDN Pin Input Current Current Limit Reverse Output Current
5 V 2.0 500 SHDN = 10V VOUT = 0V VIN = 0V 1.8 450 VOUT = 1.2V A) A) μ 4 V 1.6 IN = 10V μ 400 1.4 350 3 1.2 VIN = 1.7V 300 1.0 250 2 0.8 200 PIN INPUT CURRENT ( CURRENT LIMIT (A) 0.6 150 SHDN 1 0.4 100 REVERSE OUTPUT CURRENT ( 0.2 50 0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3021 G10 3021 G12 3021 G13
Load Regulation Input Ripple Rejection Input Ripple Rejection ∆IL = 1mA to 500mA
70 100 2.5 90 2.0 60 80 1.5 50 COUT = 22μF 70 1.0 40 60 0.5 TION (mV) 50 0 30 40 –0.5 COUT = 4.7μF 20 30 –1.0 LOAD REGULA VIN = 1.15V INPUT RIPPLE REJECTION (dB) INPUT RIPPLE REJECTION (dB) 20 –1.5 VOUT = 0.5V 10 VIN = 1.5V + 50mVRMS RIPPLE VIN = 1.5V + 0.5VP-P RIPPLE AT 120Hz *LOAD REGULATION NUMBER REFERS VOUT = 0.5V 10 VOUT = 0.5V –2.0 TO CHANGE IN THE 200mV REFERENCE I I 0 L = 500mA L = 500mA VOLTAGE 0 –2.5 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 3021 G14 3021 G15 3021 G17 Rev.D 8 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description
TYPICAL PERFORMANCE CHARACTERISTICS SHDN Pin Input Current Current Limit Reverse Output Current
5 V 2.0 500 SHDN = 10V VOUT = 0V VIN = 0V 1.8 450 VOUT = 1.2V A) A) μ 4 V 1.6 IN = 10V μ 400 1.4 350 3 1.2 VIN = 1.7V 300 1.0 250 2 0.8 200 PIN INPUT CURRENT ( CURRENT LIMIT (A) 0.6 150 SHDN 1 0.4 100 REVERSE OUTPUT CURRENT ( 0.2 50 0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3021 G10 3021 G12 3021 G13
Load Regulation Input Ripple Rejection Input Ripple Rejection ∆IL = 1mA to 500mA
70 100 2.5 90 2.0 60 80 1.5 50 COUT = 22μF 70 1.0 40 60 0.5 TION (mV) 50 0 30 40 –0.5 COUT = 4.7μF 20 30 –1.0 LOAD REGULA VIN = 1.15V INPUT RIPPLE REJECTION (dB) INPUT RIPPLE REJECTION (dB) 20 –1.5 VOUT = 0.5V 10 VIN = 1.5V + 50mVRMS RIPPLE VIN = 1.5V + 0.5VP-P RIPPLE AT 120Hz *LOAD REGULATION NUMBER REFERS VOUT = 0.5V 10 VOUT = 0.5V –2.0 TO CHANGE IN THE 200mV REFERENCE I I 0 L = 500mA L = 500mA VOLTAGE 0 –2.5 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 3021 G14 3021 G15 3021 G17 Rev.D 8 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description
