Datasheet LT1762 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 150mA, Low Noise, LDO Micropower Regulators |
| Seiten / Seite | 18 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. SHDN Pin Input Current. ADJ Pin Bias … |
| Revision | B |
| Dateiformat / Größe | PDF / 3.0 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. SHDN Pin Input Current. ADJ Pin Bias Current. Current Limit. Reverse Output Current
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LT1762 Series
TYPICAL PERFORMANCE CHARACTERISTICS SHDN Pin Input Current SHDN Pin Input Current ADJ Pin Bias Current
1.4 1.6 140 VSHDN = 20V 1.4 1.2 120 μA) μA) 1.2 1.0 100 1.0 0.8 80 0.8 0.6 60 0.6 0.4 0.4 40 ADJ PIN BIAS CURRENT (nA) SHDN PIN INPUT CURRENT ( SHDN PIN INPUT CURRENT ( 0.2 0.2 20 0 0 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SHDN PIN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 1762 G28 1762 G29 1762 G30
Current Limit Current Limit Reverse Output Current
500 500 100 T 450 VOUT = 0V 450 VIN = 7V J = 25°C, VIN = 0V V 90 OUT = 0V CURRENT FLOWS 400 400 μA) 80 INTO OUTPUT PIN VOUT = VSENSE LT1762 350 350 70 (LT1762-2.5/-3/-3.3/-5) V 300 300 60 OUT = VADJ (LT1762) 250 250 50 LT1762-2.5 200 200 40 LT1762-3 150 150 30 100 SHORT-CIRCUIT CURRENT (mA) 100 20 SHORT-CIRCUIT CURRENT (mA) REVERSE OUTPUT CURRENT ( LT1762-3.3 50 50 10 LT1762-5 0 0 0 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) TEMPERATURE (°C) OUTPUT VOLTAGE (V) 1762 G31 1762 G32 1762 G33
Reverse Output Current Input Ripple Rejection Input Ripple Rejection
30 80 80 VIN = 0V CBYP = 0.01μF VOUT = 1.22V (LT1762) 70 70 μA) 25 VOUT = 2.5V (LT1762-2.5) VOUT = 3V (LT1762-3) V 60 60 OUT = 3.3V (LT1762-3.3) C 20 V BYP = 1000pF OUT = 5V (LT1762-5) 50 50 CBYP = 100pF 15 40 COUT = 10μF 40 LT1762-2.5/-3/-3.3/-5 30 30 10 RIPPLE REJECTION (dB) I RIPPLE REJECTION (dB) LT1762 20 L = 150mA C 20 I V OUT = 2.2μF L = 150mA IN = VOUT(NOMINAL) + V REVERSE OUTPUT CURRENT ( 5 IN = VOUT(NOMINAL) + 10 1V + 50mVRMS RIPPLE 10 1V + 50mV C RMS RIPPLE BYP = 0 COUT = 10μF 0 0 0 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M TEMPERATURE (°C) FREQUENCY (Hz) FREQUENCY (Hz) 1762 G35 1762 G36 1762 G34 Rev B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS SHDN Pin Input Current SHDN Pin Input Current ADJ Pin Bias Current
1.4 1.6 140 VSHDN = 20V 1.4 1.2 120 μA) μA) 1.2 1.0 100 1.0 0.8 80 0.8 0.6 60 0.6 0.4 0.4 40 ADJ PIN BIAS CURRENT (nA) SHDN PIN INPUT CURRENT ( SHDN PIN INPUT CURRENT ( 0.2 0.2 20 0 0 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SHDN PIN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 1762 G28 1762 G29 1762 G30
Current Limit Current Limit Reverse Output Current
500 500 100 T 450 VOUT = 0V 450 VIN = 7V J = 25°C, VIN = 0V V 90 OUT = 0V CURRENT FLOWS 400 400 μA) 80 INTO OUTPUT PIN VOUT = VSENSE LT1762 350 350 70 (LT1762-2.5/-3/-3.3/-5) V 300 300 60 OUT = VADJ (LT1762) 250 250 50 LT1762-2.5 200 200 40 LT1762-3 150 150 30 100 SHORT-CIRCUIT CURRENT (mA) 100 20 SHORT-CIRCUIT CURRENT (mA) REVERSE OUTPUT CURRENT ( LT1762-3.3 50 50 10 LT1762-5 0 0 0 0 1 2 3 4 5 6 7 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) TEMPERATURE (°C) OUTPUT VOLTAGE (V) 1762 G31 1762 G32 1762 G33
Reverse Output Current Input Ripple Rejection Input Ripple Rejection
30 80 80 VIN = 0V CBYP = 0.01μF VOUT = 1.22V (LT1762) 70 70 μA) 25 VOUT = 2.5V (LT1762-2.5) VOUT = 3V (LT1762-3) V 60 60 OUT = 3.3V (LT1762-3.3) C 20 V BYP = 1000pF OUT = 5V (LT1762-5) 50 50 CBYP = 100pF 15 40 COUT = 10μF 40 LT1762-2.5/-3/-3.3/-5 30 30 10 RIPPLE REJECTION (dB) I RIPPLE REJECTION (dB) LT1762 20 L = 150mA C 20 I V OUT = 2.2μF L = 150mA IN = VOUT(NOMINAL) + V REVERSE OUTPUT CURRENT ( 5 IN = VOUT(NOMINAL) + 10 1V + 50mVRMS RIPPLE 10 1V + 50mV C RMS RIPPLE BYP = 0 COUT = 10μF 0 0 0 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M TEMPERATURE (°C) FREQUENCY (Hz) FREQUENCY (Hz) 1762 G35 1762 G36 1762 G34 Rev B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts