Datasheet LT1121, LT1121-3.3, LT1121-5 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Micropower Low Dropout Regulators with Shutdown |
| Pages / Page | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1121-3.3. LT1121-5. LT1121. Ground … |
| File Format / Size | PDF / 275 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. LT1121-3.3. LT1121-5. LT1121. Ground Pin Current. Shutdown Pin Threshold. (On-to-Off)
Model Line for this Datasheet
- 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
Text Version of Document
LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFORMANCE CHARACTERISTICS LT1121-3.3 LT1121-5 LT1121 Ground Pin Current Ground Pin Current Ground Pin Current
800 800 800 TJ = 25°C TJ = 25°C TJ = 25°C RLOAD = 150Ω 700 700 V R 700 OUT = VADJ LOAD = 200Ω ILOAD = 25mA* A) RLOAD = 130Ω A) ILOAD = 25mA* A) μ 600 ILOAD = 25mA* μ 600 μ 600 500 500 500 R R 400 LOAD = 330Ω 400 LOAD = 500Ω R I I 400 LOAD = 380Ω LOAD = 10mA* LOAD = 10mA* ILOAD = 10mA* 300 300 300 *FOR VOUT = 3.3V *FOR VOUT = 5V *FOR VOUT = 3.75V 200 200 200 GROUND PIN CURRENT ( R GROUND PIN CURRENT ( R LOAD = 3.3k LOAD = 5k GROUND PIN CURRENT ( RLOAD = 3.8k 100 ILOAD = 1mA* 100 ILOAD = 1mA* 100 ILOAD = 1mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1121 G10 1121 G11 1121 G12
LT1121-3.3 LT1121-5 LT1121 Ground Pin Current Ground Pin Current Ground Pin Current
10 10 10 TJ = 25°C TJ = 25°C TJ = 25°C 9 9 9 VOUT = VADJ 8 8 8 RLOAD = 22Ω 7 I 7 RLOAD = 33Ω R LOAD = 150mA* I 7 LOAD = 25Ω LOAD = 150mA* I 6 6 6 LOAD = 150mA* R 5 LOAD = 33Ω 5 RLOAD = 50Ω I 5 LOAD = 100mA* I R LOAD = 100mA* LOAD = 38Ω 4 4 4 ILOAD = 100mA* 3 3 3 RLOAD = 66Ω RLOAD = 100Ω R GROUND PIN CURRENT (mA) 2 I GROUND PIN CURRENT (mA) LOAD = 50mA* 2 I LOAD = 75Ω LOAD = 50mA* GROUND PIN CURRENT (mA) 2 ILOAD = 50mA* 1 1 1 *FOR VOUT = 3.3V *FOR VOUT = 5V *FOR VOUT = 3.75V 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1121 G13 1121 G14 1121 G15
Shutdown Pin Threshold Shutdown Pin Threshold Ground Pin Current (On-to-Off) (Off-to-On)
14 2.0 2.0 VIN = 3.3V (LT1121-3.3) ILOAD = 1mA V 1.8 1.8 12 IN = 5V (LT1121-5) VIN = 3.75V (LT1121) DEVICE IS OPERATING 1.6 1.6 I 10 IN DROPOUT LOAD = 150mA 1.4 1.4 T 8 J = 125°C 1.2 1.2 ILOAD = 1mA 1.0 1.0 6 TJ = 25°C 0.8 0.8 TJ = –55°C 4 0.6 0.6 GROUND PIN CURRENT (mA) SHUTDOWN THRESHOLD (V) 0.4 SHUTDOWN THRESHOLD (V) 0.4 2 0.2 0.2 0 0 0 0 20 40 60 80 100 120 140 160 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1121 G16 1121 G17 1121 G18 1121fg 6 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 LT1121-3.3 LT1121-5 LT1121 Ground Pin Current Ground Pin Current Ground Pin Current
800 800 800 TJ = 25°C TJ = 25°C TJ = 25°C RLOAD = 150Ω 700 700 V R 700 OUT = VADJ LOAD = 200Ω ILOAD = 25mA* A) RLOAD = 130Ω A) ILOAD = 25mA* A) μ 600 ILOAD = 25mA* μ 600 μ 600 500 500 500 R R 400 LOAD = 330Ω 400 LOAD = 500Ω R I I 400 LOAD = 380Ω LOAD = 10mA* LOAD = 10mA* ILOAD = 10mA* 300 300 300 *FOR VOUT = 3.3V *FOR VOUT = 5V *FOR VOUT = 3.75V 200 200 200 GROUND PIN CURRENT ( R GROUND PIN CURRENT ( R LOAD = 3.3k LOAD = 5k GROUND PIN CURRENT ( RLOAD = 3.8k 100 ILOAD = 1mA* 100 ILOAD = 1mA* 100 ILOAD = 1mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1121 G10 1121 G11 1121 G12
LT1121-3.3 LT1121-5 LT1121 Ground Pin Current Ground Pin Current Ground Pin Current
10 10 10 TJ = 25°C TJ = 25°C TJ = 25°C 9 9 9 VOUT = VADJ 8 8 8 RLOAD = 22Ω 7 I 7 RLOAD = 33Ω R LOAD = 150mA* I 7 LOAD = 25Ω LOAD = 150mA* I 6 6 6 LOAD = 150mA* R 5 LOAD = 33Ω 5 RLOAD = 50Ω I 5 LOAD = 100mA* I R LOAD = 100mA* LOAD = 38Ω 4 4 4 ILOAD = 100mA* 3 3 3 RLOAD = 66Ω RLOAD = 100Ω R GROUND PIN CURRENT (mA) 2 I GROUND PIN CURRENT (mA) LOAD = 50mA* 2 I LOAD = 75Ω LOAD = 50mA* GROUND PIN CURRENT (mA) 2 ILOAD = 50mA* 1 1 1 *FOR VOUT = 3.3V *FOR VOUT = 5V *FOR VOUT = 3.75V 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1121 G13 1121 G14 1121 G15
Shutdown Pin Threshold Shutdown Pin Threshold Ground Pin Current (On-to-Off) (Off-to-On)
14 2.0 2.0 VIN = 3.3V (LT1121-3.3) ILOAD = 1mA V 1.8 1.8 12 IN = 5V (LT1121-5) VIN = 3.75V (LT1121) DEVICE IS OPERATING 1.6 1.6 I 10 IN DROPOUT LOAD = 150mA 1.4 1.4 T 8 J = 125°C 1.2 1.2 ILOAD = 1mA 1.0 1.0 6 TJ = 25°C 0.8 0.8 TJ = –55°C 4 0.6 0.6 GROUND PIN CURRENT (mA) SHUTDOWN THRESHOLD (V) 0.4 SHUTDOWN THRESHOLD (V) 0.4 2 0.2 0.2 0 0 0 0 20 40 60 80 100 120 140 160 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1121 G16 1121 G17 1121 G18 1121fg 6 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
