Datasheet ADP7105 (Analog Devices) - 3

制造商Analog Devices
描述20 V, 500 mA, Low Noise LDO Regulator with Soft Start
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Data Sheet. ADP7105. SPECIFICATIONS. Table 1. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit

Data Sheet ADP7105 SPECIFICATIONS Table 1 Parameter Symbol Test Conditions/Comments Min Typ Max Unit

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Data Sheet ADP7105 SPECIFICATIONS
VIN = (VOUT + 1 V) or 3.3 V (whichever is greater), EN = VIN, IOUT = 10 mA, CIN = COUT = 1 µF, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE RANGE V 3.3 20 V IN OPERATING SUPPLY CURRENT I I = 100 µA, V = 10 V 400 µA GND OUT IN I = 100 µA, V = 10 V, T = −40°C to +125°C 900 µA OUT IN J I = 10 mA, V = 10 V 450 µA OUT IN I = 10 mA, V = 10 V, T = −40°C to +125°C 1050 µA OUT IN J I = 300 mA, V = 10 V 750 µA OUT IN I = 300 mA, V = 10 V, T = −40°C to +125°C 1400 µA OUT IN J I = 500 mA, V = 10 V 900 µA OUT IN I = 500 mA, V = 10 V, T = −40°C to +125°C 1600 µA OUT IN J SHUTDOWN CURRENT I EN = GND, V = 12 V 40 50 µA GND-SD IN EN = GND, V = 12 V, T = −40°C to +125°C 75 µA IN J INPUT REVERSE CURRENT I EN = GND, V = 0 V, V = 20 V 0.3 µA REV-INPUT IN OUT EN = GND, V = 0 V, V = 20 V, T = −40°C to 5 µA IN OUT J +125°C OUTPUT VOLTAGE ACCURACY Fixed Output Voltage Accuracy V I = 10 mA −0.8 +0.8 % OUT OUT 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, −2 +1 % OUT IN OUT T = −40°C to +125°C J 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, –1.25 +1 % OUT IN OUT T = 0°C to +85°C J Adjustable Output Voltage V I = 10 mA 1.21 1.22 1.23 V ADJ OUT Accuracy 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, 1.196 1.232 V OUT IN OUT T = −40°C to +125°C J 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, 1.204 1.232 V OUT IN OUT T = 0°C to +85°C J LINE REGULATION ∆V /∆V V = (V + 1 V) to 20 V, T = −40°C to +125°C −0.015 +0.015 %/V OUT IN IN OUT J LOAD REGULATION1 ∆V /∆I 1 mA < I < 500 mA 0.2 %/A OUT OUT OUT 1 mA < I < 500 mA, T = −40°C to +125°C 0.75 %/A OUT J ADJ INPUT BIAS CURRENT2 ADJ 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, 10 nA I-BIAS OUT IN OUT ADJ connected to VOUT SENSE INPUT BIAS CURRENT2 SENSE 1 mA < I < 500 mA, V = (V + 1 V) to 20 V, 1 μA I-BIAS OUT IN OUT SENSE connected to VOUT, V = 1.5 V OUT DROPOUT VOLTAGE3 V I = 10 mA 20 mV DROPOUT OUT I = 10 mA, T = −40°C to +125°C 40 mV OUT J I = 150 mA 100 mV OUT I = 150 mA, T = −40°C to +125°C 175 mV OUT J I = 300 mA 200 mV OUT I = 300 mA, T = −40°C to +125°C 325 mV OUT J I = 500 mA 350 mV OUT I = 500 mA, T = −40°C to +125°C 550 mV OUT J START-UP TIME4 t C = 0 nF, I = 10 mA 625 µs START-UP SS OUT C = 10 nF, I = 10 mA 11.5 ms SS OUT CURRENT-LIMIT THRESHOLD5 I 625 775 1000 mA LIMIT PG OUTPUT LOGIC LEVEL PG Output Logic High PG I < 1 µA 1.0 V HIGH OH PG Output Logic Low PG I < 2 mA 0.4 V LOW OL PG OUTPUT THRESHOLD Output Voltage Falling PG −9.2 % FALL Output Voltage Rising PG −6.5 % RISE Rev. C | Page 3 of 26 Document Outline Features Applications Typical Application Circuits General Description Table of Contents Revision History Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programmable Undervoltage Lockout (UVLO) Soft Start Function Power-Good Feature Noise Reduction of the Adjustable ADP7105 Current-Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide