Datasheet LT1121, LT1121-3.3, LT1121-5 (Analog Devices) - 7

FabricanteAnalog Devices
DescripciónMicropower Low Dropout Regulators with Shutdown
Páginas / Página16 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1121. Shutdown Pin Current. …
Formato / tamaño de archivoPDF / 275 Kb
Idioma del documentoInglés

TYPICAL PERFORMANCE CHARACTERISTICS. LT1121. Shutdown Pin Current. Shutdown Pin Input Current. Adjust Pin Bias Current

TYPICAL PERFORMANCE CHARACTERISTICS LT1121 Shutdown Pin Current Shutdown Pin Input Current Adjust Pin Bias Current

Línea de modelo para esta hoja de datos

LT1121

Versión de texto del documento

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