Datasheet LT1763 (Analog Devices) - 10

制造商Analog Devices
描述500mA, Low Noise, LDO Micropower Regulators
页数 / 页22 / 10 — Typical perForMance characTerisTics. SHDN Pin Input Current. ADJ Pin Bias …
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Typical perForMance characTerisTics. SHDN Pin Input Current. ADJ Pin Bias Current. Current Limit. Reverse Output Current

Typical perForMance characTerisTics SHDN Pin Input Current ADJ Pin Bias Current Current Limit Reverse Output Current

该数据表的模型线

LT1763

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LT1763 Series
Typical perForMance characTerisTics SHDN Pin Input Current ADJ Pin Bias Current Current Limit
1.6 140 1.0 VSHDN = 20V VOUT = 0V 1.4 0.9 120 0.8 1.2 100 0.7 1.0 80 0.6 0.8 0.5 60 0.6 0.4 PIN INPUT CURRENT (µA) CURRENT LIMIT (A) 0.3 0.4 40 ADJ PIN BIAS CURRENT (nA) SHDN 0.2 0.2 20 0.1 0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 1763 G37 1763 G38 1763 G39
Current Limit Reverse Output Current Reverse Output Current
1.2 100 20 V V IN = 7 TJ = 25°C, VIN = 0V LT1763-1.5 IN = 0V, VOUT = 1.22V (LT1763) VOUT = 0V 90 CURRENT FLOWS 18 VOUT = 1.5V (LT1763-1.5) 1.0 V 80 INTO OUTPUT PIN 16 OUT = 1.8V (LT1763-1.8) V V OUT = VADJ (LT1763) OUT = 2.5V (LT1763-2.5) 14 VOUT = 3V (LT1763-3) 0.8 70 LT1763 VOUT = 3.3V (LT1763-3.3) 60 LT1763-1.8 12 VOUT = 5V (LT1763-5) 0.6 50 LT1763-2.5 10 40 LT1763-3 8 LT1763-1.5/-1.8/ CURRENT LIMIT (A) 0.4 LT1763-3.3 -2.5/-3/-3.3/-5 30 6 4 0.2 20 REVERSE OUTPUT CURRENT (µA) REVERSE OUTPUT CURRENT (µA) LT1763 10 LT1763-5 2 0 0 0 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) OUTPUT VOLTAGE (V) TEMPERATURE (°C) 1763 G40 1763 G41 1763 G42
Input Ripple Rejection Input Ripple Rejection Ripple Rejection
80 80 68 70 70 CBYP = 0.01µF 66 60 60 64 C 50 OUT = 10µF 50 CBYP = 1000pF 62 CBYP = 100pF 40 40 60 30 30 58 RIPPLE REJECTION (dB) 20 IL = 500mA RIPPLE REJECTION (dB) 20 I RIPPLE REJECTION (dB) 56 VIN = VOUT (NOMINAL) + V L = 500mA IN = VOUT(NOMINAL) + COUT = 4.7µF VIN = VOUT(NOMINAL) + 1V + 0.5VP-P RIPPLE 10 1V + 50mVRMS RIPPLE 10 1V + 50mV 54 AT f = 120Hz C RMS RIPPLE BYP = 0 COUT = 10µF IL = 500mA 0 0 52 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 FREQUENCY (Hz) FREQUENCY (Hz) TEMPERATURE (°C) 1763 G43 1763 G44 1763 G45 1763fh 10 For more information www.linear.com/LT1763 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description Typical Application Related Parts