Datasheet LT1121, LT1121-3.3, LT1121-5 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Micropower Low Dropout Regulators with Shutdown |
| Seiten / Seite | 16 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1121. Shutdown Pin Current. … |
| Dateiformat / Größe | PDF / 275 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. LT1121. Shutdown Pin Current. Shutdown Pin Input Current. Adjust Pin Bias Current
Modelllinie für dieses Datenblatt
- LT1121ACS8#PBF LT1121ACS8#PBF LT1121ACS8#TRPBF LT1121ACS8#TRPBF LT1121ACS8-3.3#PBF LT1121ACS8-3.3#PBF LT1121ACS8-3.3#TRPBF LT1121ACS8-3.3#TRPBF LT1121ACS8-5#PBF LT1121ACS8-5#PBF LT1121ACS8-5#TRPBF LT1121ACS8-5#TRPBF LT1121AHVCS8#PBF LT1121AHVCS8#PBF LT1121AHVCS8#TRPBF LT1121AHVCS8#TRPBF LT1121AHVIS8#PBF LT1121AHVIS8#PBF LT1121AHVIS8#TRPBF LT1121AHVIS8#TRPBF LT1121AIS8#PBF LT1121AIS8#PBF LT1121AIS8#TRPBF LT1121AIS8#TRPBF LT1121AIS8-3.3#PBF LT1121AIS8-3.3#PBF LT1121AIS8-3.3#TRPBF LT1121AIS8-3.3#TRPBF LT1121AIS8-5#PBF LT1121AIS8-5#PBF LT1121AIS8-5#TRPBF LT1121AIS8-5#TRPBF LT1121CN8#PBF LT1121CN8#PBF LT1121CN8-3.3#PBF LT1121CN8-3.3#PBF LT1121CN8-5#PBF LT1121CN8-5#PBF LT1121CS8#PBF LT1121CS8#PBF LT1121CS8#TRPBF LT1121CS8#TRPBF LT1121CS8-3.3#PBF LT1121CS8-3.3#PBF LT1121CS8-3.3#TRPBF LT1121CS8-3.3#TRPBF LT1121CS8-5#PBF LT1121CS8-5#PBF LT1121CS8-5#TRPBF LT1121CS8-5#TRPBF LT1121CST-3.3#PBF LT1121CST-3.3#PBF LT1121CST-3.3#TRPBF LT1121CST-3.3#TRPBF LT1121CST-5#PBF LT1121CST-5#PBF LT1121CST-5#TRPBF LT1121CST-5#TRPBF LT1121CZ-3.3#PBF LT1121CZ-3.3#PBF LT1121CZ-3.3#TRPBF LT1121CZ-3.3#TRPBF LT1121CZ-5#PBF LT1121CZ-5#PBF LT1121CZ-5#TRPBF LT1121CZ-5#TRPBF LT1121HVCS8#PBF LT1121HVCS8#PBF LT1121HVCS8#TRPBF LT1121HVCS8#TRPBF LT1121HVIS8#PBF LT1121HVIS8#PBF LT1121HVIS8#TRPBF LT1121HVIS8#TRPBF LT1121IN8#PBF LT1121IN8#PBF LT1121IN8-3.3#PBF LT1121IN8-3.3#PBF LT1121IN8-5#PBF LT1121IN8-5#PBF LT1121IS8#PBF LT1121IS8#PBF LT1121IS8#TRPBF LT1121IS8#TRPBF LT1121IS8-3.3#PBF LT1121IS8-3.3#PBF LT1121IS8-3.3#TRPBF LT1121IS8-3.3#TRPBF LT1121IS8-5#PBF LT1121IS8-5#PBF LT1121IS8-5#TRPBF LT1121IS8-5#TRPBF LT1121IST-3.3#PBF LT1121IST-3.3#PBF LT1121IST-3.3#TRPBF LT1121IST-3.3#TRPBF LT1121IST-5#PBF LT1121IST-5#PBF LT1121IST-5#TRPBF LT1121IST-5#TRPBF LT1121IZ-3.3#PBF LT1121IZ-3.3#PBF LT1121IZ-3.3#TRPBF LT1121IZ-3.3#TRPBF LT1121IZ-5#PBF LT1121IZ-5#PBF LT1121IZ-5#TRPBF LT1121IZ-5#TRPBF
Textversion des Dokuments
LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFORMANCE CHARACTERISTICS LT1121 Shutdown Pin Current Shutdown Pin Input Current Adjust Pin Bias Current
10 25 400 VSHDN = 0V 9 350 A) μ 8 20 300 7 6 15 250 5 200 4 10 150 3 100 SHUTDOWN PIN CURRENT ( 2 5 ADJUST PIN BIAS CURRENT (nA) 1 SHUTDOWN PIN INPUT CURRENT (mA) 50 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SHUTDOWN PIN VOLTAGE (V) TEMPERATURE (°C) 1121 G19 1121 G20 1121 G21
Reverse Output Current Current Limit Current Limit
30 400 400 VIN = 0V VOUT = 0V VIN = 7V VOUT = 5V (LT1121-5) 350 350 VOUT = 0V 25 VOUT = 3.3V (LT1121-3.3) A) V μ OUT = 3.8V (LT1121) 300 300 20 250 250 15 200 200 150 150 10 CURRENT LIMIT (mA) 100 100 OUTPUT PIN CURRENT ( 5 SHORT-CIRCUIT CURRENT (mA) 50 50 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) 1121 G22 1121 G23 1121 G24
Reverse Output Current Ripple Rejection Ripple Rejection
100 64 100 T J = 25°C VIN = VOUT (NOMINAL) + 1V IOUT = 100mA 90 VIN = 0V + 0.5V 90 VIN = 6V + 50mVRMS RIPPLE CURRENT FLOWS 62 P-P RIPPLE AT f = 120Hz IOUT = 100mA A) 80 INTO OUTPUT PIN 80 μ 70 60 70 COUT = 47μF SOLID TANTALUM 60 LT1121 60 (V 58 50 OUT = VADJ) 50 40 56 40 LT1121-3.3 30 30 RIPPLE REJECTION (dB) 54 RIPPLE REJECTION (dB) C OUTPUT PIN CURRENT ( OUT = 1μF 20 20 SOLID TANTALUM LT1121-5 52 10 10 0 50 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M OUTPUT VOLTAGE (V) TEMPERATURE (°C) FREQUENCY (Hz) 1121 G25 1121 G27 1121 G26 1121fg 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS LT1121 Shutdown Pin Current Shutdown Pin Input Current Adjust Pin Bias Current
10 25 400 VSHDN = 0V 9 350 A) μ 8 20 300 7 6 15 250 5 200 4 10 150 3 100 SHUTDOWN PIN CURRENT ( 2 5 ADJUST PIN BIAS CURRENT (nA) 1 SHUTDOWN PIN INPUT CURRENT (mA) 50 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SHUTDOWN PIN VOLTAGE (V) TEMPERATURE (°C) 1121 G19 1121 G20 1121 G21
Reverse Output Current Current Limit Current Limit
30 400 400 VIN = 0V VOUT = 0V VIN = 7V VOUT = 5V (LT1121-5) 350 350 VOUT = 0V 25 VOUT = 3.3V (LT1121-3.3) A) V μ OUT = 3.8V (LT1121) 300 300 20 250 250 15 200 200 150 150 10 CURRENT LIMIT (mA) 100 100 OUTPUT PIN CURRENT ( 5 SHORT-CIRCUIT CURRENT (mA) 50 50 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) 1121 G22 1121 G23 1121 G24
Reverse Output Current Ripple Rejection Ripple Rejection
100 64 100 T J = 25°C VIN = VOUT (NOMINAL) + 1V IOUT = 100mA 90 VIN = 0V + 0.5V 90 VIN = 6V + 50mVRMS RIPPLE CURRENT FLOWS 62 P-P RIPPLE AT f = 120Hz IOUT = 100mA A) 80 INTO OUTPUT PIN 80 μ 70 60 70 COUT = 47μF SOLID TANTALUM 60 LT1121 60 (V 58 50 OUT = VADJ) 50 40 56 40 LT1121-3.3 30 30 RIPPLE REJECTION (dB) 54 RIPPLE REJECTION (dB) C OUTPUT PIN CURRENT ( OUT = 1μF 20 20 SOLID TANTALUM LT1121-5 52 10 10 0 50 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M OUTPUT VOLTAGE (V) TEMPERATURE (°C) FREQUENCY (Hz) 1121 G25 1121 G27 1121 G26 1121fg 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Related Parts