Datasheet LT1521, LT1521-3, LT1521-3.3, LT1521-5 (Analog Devices) - 6

Производитель	Analog Devices
Описание	300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
Страниц / Страница	16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1521-3. LT1521-3.3. Ground Pin …
Формат / Размер файла	PDF / 210 Кб
Язык документа	английский

TYPICAL PERFORMANCE CHARACTERISTICS. LT1521-3. LT1521-3.3. Ground Pin Current. LT1521-5. LT1521. Shutdown Pin Threshold. (On-to-Off)

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LT1521

LT1521CMS8#PBF LT1521CMS8#PBF LT1521CMS8-3#PBF LT1521CMS8-3#PBF LT1521CMS8-3#TRPBF LT1521CMS8-3#TRPBF LT1521CMS8-3.3#PBF LT1521CMS8-3.3#PBF LT1521CMS8-3.3#TRPBF LT1521CMS8-3.3#TRPBF LT1521CMS8-5#PBF LT1521CMS8-5#PBF LT1521CS8#PBF LT1521CS8#PBF LT1521CS8#TRPBF LT1521CS8#TRPBF LT1521CS8-3#PBF LT1521CS8-3#PBF LT1521CS8-3#TRPBF LT1521CS8-3#TRPBF LT1521CS8-3.3#PBF LT1521CS8-3.3#PBF LT1521CS8-3.3#TRPBF LT1521CS8-3.3#TRPBF LT1521CS8-5#PBF LT1521CS8-5#PBF LT1521CS8-5#TRPBF LT1521CS8-5#TRPBF LT1521CST-3#PBF LT1521CST-3#PBF LT1521CST-3#TRPBF LT1521CST-3#TRPBF LT1521CST-3.3#PBF LT1521CST-3.3#PBF LT1521CST-3.3#TRPBF LT1521CST-3.3#TRPBF LT1521CST-5#PBF LT1521CST-5#PBF LT1521CST-5#TRPBF LT1521CST-5#TRPBF LT1521IS8#PBF LT1521IS8#PBF LT1521IS8#TRPBF LT1521IS8#TRPBF LT1521IS8-3#PBF LT1521IS8-3#PBF LT1521IS8-3#TRPBF LT1521IS8-3#TRPBF LT1521IS8-3.3#PBF LT1521IS8-3.3#PBF LT1521IS8-3.3#TRPBF LT1521IS8-3.3#TRPBF LT1521IS8-5#PBF LT1521IS8-5#PBF LT1521IS8-5#TRPBF LT1521IS8-5#TRPBF LT1521IST-3#PBF LT1521IST-3#PBF LT1521IST-3#TRPBF LT1521IST-3#TRPBF LT1521IST-3.3#PBF LT1521IST-3.3#PBF LT1521IST-3.3#TRPBF LT1521IST-3.3#TRPBF LT1521IST-5#PBF LT1521IST-5#PBF LT1521IST-5#TRPBF LT1521IST-5#TRPBF

Текстовая версия документа

LT1521/LT1521-3 LT1521-3.3/LT1521-5
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1521-3 LT1521-3.3 LT1521-3.3 Ground Pin Current Ground Pin Current Ground Pin Current
8 1000 8 TJ = 25°C TJ = 25°C TJ = 25°C 7 900 *FOR V 7 OUT = 3V *FOR VOUT = 3.3V *FOR VOUT = 3.3V 800 6 µA) RLOAD = 66Ω 6 700 R I LOAD = 10Ω LOAD = 50mA* RLOAD = 11Ω 5 I 5 LOAD = 300mA* 600 ILOAD = 300mA* RLOAD = 132Ω 4 500 ILOAD = 25mA* 4 R 3 LOAD = 20Ω 400 3 RLOAD = 22Ω ILOAD = 150mA* RLOAD = 330Ω I 300 LOAD = 150mA* I 2 LOAD = 10mA* 2 GROUND PIN CURRENT (mA) GROUND PIN CURRENT ( 200 R GROUND PIN CURRENT (mA) LOAD = 3.3k 1 RLOAD = 30Ω ILOAD = 1mA* 1 RLOAD = 33Ω I 100 LOAD = 100mA* ILOAD = 100mA* 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) LT1521 • TPC13 LT1521 • TPC14 LT1521 • TPC15
LT1521-5 LT1521-5 LT1521 Ground Pin Current Ground Pin Current Ground Pin Current
1000 8 1000 T T J = 25°C J = 25°C VOUT = VADJ 900 TJ = 25°C R 900 *FOR V 7 LOAD = 16.7Ω *FOR V OUT = 5V OUT = 3.75V R *FOR V LOAD = 100Ω OUT = 5V I 800 LOAD = 300mA* 800 µA) ILOAD = 50mA* 6 µA) RLOAD = 75Ω 700 700 ILOAD = 50mA* 5 600 600 R R LOAD = 150Ω LOAD = 200Ω 500 ILOAD = 25mA* 4 500 ILOAD = 25mA* 400 RLOAD = 500Ω 400 3 RLOAD = 33.3Ω RLOAD = 375Ω ILOAD = 10mA* I 300 LOAD = 150mA* 300 ILOAD = 10mA* 2 GROUND PIN CURRENT ( GROUND PIN CURRENT ( 200 GROUND PIN CURRENT (mA) 200 R R LOAD = 3.8k LOAD = 5k 1 100 I RLOAD = 50Ω 100 ILOAD = 1mA* LOAD = 1mA* ILOAD = 100mA* 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) LT1521 • TPC16 LT1521 • TPC18 LT1521 • TPC17
LT1521 Shutdown Pin Threshold Ground Pin Current Ground Pin Current (On-to-Off)
8 10 2.0 TJ = 25°C VIN = 3V (LT1521-3) 7 V 1.8 I OUT = VADJ 9 LOAD = 1mA V *FOR V IN = 3.3V (LT1521-3.3) OUT = 3.75V V T IN = 5V (LT1521-5) J = 125°C 1.6 8 6 RLOAD = 12.5Ω V I IN = 3.75V (LT1521) LOAD =300mA* 1.4 7 DEVICE IS OPERATING 5 6 IN DROPOUT 1.2 4 5 1.0 TJ = 25°C R T 3 LOAD = 25Ω 4 J = 55°C 0.8 ILOAD =150mA* 0.6 3 2 GROUND PIN CURRENT (mA) GROUND PIN CURRENT (mA) 0.4 2 1 SHUTDOWN PIN THRESHOLD (V) RLOAD = 37.5Ω 1 0.2 ILOAD =100mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 50 100 150 200 250 300 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) OUTPUT CURRENT (mA) TEMPERATURE (°C) LT1521 • TPC19 LT1521 • TPC20 LT1521 • TPC21 1521335fb 6

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