Datasheet ADP122, ADP123 (Analog Devices) - 3

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Data Sheet ADP122/ADP123 SPECIFICATIONS
Unless otherwise noted, VIN = (VOUT + 0.3 V) or 2.3 V, whichever is greater; ADJ connected to VOUT; IOUT = 10 mA; CIN = 1.0 µF; COUT = 1.0 µF; TA = 25°C.
Table 1. Parameter Symbol Test Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE V 2.3 5.5 V IN OPERATING SUPPLY CURRENT1 I I = 0 µA 45 µA GND OUT I = 0 µA, T = −40°C to +125°C 105 µA OUT J I = 1 mA 60 µA OUT I = 1 mA, T = −40°C to +125°C 120 µA OUT J I = 150 mA 130 µA OUT I = 150 mA, T = −40°C to +125°C 190 µA OUT J I = 300 mA 170 µA OUT I = 300 mA, T = −40°C to +125°C 240 µA OUT J SHUTDOWN CURRENT I EN = GND 0.1 µA SD EN = GND, T = −40°C to +125°C 1 µA J OUTPUT VOLTAGE ACCURACY2 V OUT Fixed Output I = 10 mA −1 +1 % OUT 100 µA < I < 300 mA, V = (V + 0.5 V) to 5.5 V, −2 +1.5 % OUT IN OUT T = −40°C to +125°C J Adjustable Output I = 10 mA 0.495 0.500 0.505 V OUT 100 µA < I < 300 mA, V = 2.3 V to 5.5 V, 0.490 0.500 0.5075 V OUT IN T = −40°C to +125°C J LINE REGULATION ∆V /∆V V = V = 2.3 V to 5.5 V, T = −40°C to +125°C −0.05 +0.05 %/V OUT IN IN IN J LOAD REGULATION3 ∆V /∆I I = 1 mA to 300 mA 0.0005 %/mA OUT OUT OUT I = 1 mA to 300 mA , T = −40°C to +125°C 0.001 %/mA OUT J ADJ INPUT BIAS CURRENT ADJ 2.3 V ≤ V ≤ 5.5 V, ADJ connected to VOUT 15 nA I-BIAS IN DROPOUT VOLTAGE4 V DROPOUT I = 10 mA, V > 2.3 V 3 mV OUT OUT I = 10 mA, T = −40°C to +125°C 5 mV OUT J I = 150 mA, V > 2.3 V 45 mV OUT OUT I = 150 mA, T = −40°C to +125°C 75 mV OUT J I = 300 mA, V > 2.3V 85 mV OUT OUT I = 300 mA, T = −40°C to +125°C 150 mV OUT J START-UP TIME5 t V = 3.0 V 350 µs START-UP OUT CURRENT LIMIT THRESHOLD6 I 350 500 650 mA LIMIT THERMAL SHUTDOWN Thermal Shutdown Threshold TS T rising 150 SD J °C Thermal Shutdown Hysteresis TS 15 SD-HYS °C EN INPUT EN Input Logic High V 2.3 V ≤ V ≤ 5.5 V 1.2 V IH IN EN Input Logic Low V 2.3 V ≤ V ≤ 5.5 V 0.4 V IL IN EN Input Leakage Current V EN = VIN or GND 0.1 µA I-LEAKAGE EN = VIN or GND, T = −40°C to +125°C 1 µA J UNDERVOLTAGE LOCKOUT UVLO Input Voltage Rising UVLO T = −40°C to +125°C 2.1 V RISE J Input Voltage Falling UVLO T = −40°C to +125°C 1.5 V FALL J Hysteresis UVLO T = 25°C 125 mV HYS A Rev. E | Page 3 of 24 Document Outline Features Applications General Description Typical Application Circuits Revision History Specifications 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 Undervoltage Lockout Enable Feature Current Limit and Thermal Overload Protection Thermal Considerations Junction Temperature Calculations For TSOT Package Junction Temperature Calculations For LFCSP Package Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide