Datasheet ADP7112 (Analog Devices) - 8

ADP7112 Data Sheet 2.5 1000 VIN = 2.7V LOAD = 5mA V LOAD = 10mA IN = 3V 900 V LOAD = 50mA IN = 5V 2.0 V LOAD = 100mA IN = 6V 800 A) V LOAD = 150mA IN = 10V (µ V A) 700 LOAD = 200mA T IN = 20V (µ N E 1.5 NT 600 RE URR C 500 N CUR W 1.0 400 O ND D U T O R 300 HU G S 0.5 200 100 0 0 –50 –25 0 25 50 75 100 125
010
4.8 5.0 5.2 5.4 5.6
013 8-
TEMPERATURE (°C) V
12508-
IN (V)
1250 Figure 10. Shutdown Current vs. Temperature at Various Input Voltages Figure 13. Ground Current vs. Input Voltage (VIN) in Dropout, VOUT = 5 V
250 3.35 LOAD = 100µA LOAD = 1mA LOAD = 10mA 200 3.33 LOAD = 50mA LOAD = 100mA (mV) LOAD = 200mA E G A 150 ) 3.31 T V L ( T VO T OUV U 100 3.29 O P O R D 50 3.27 0 3.25 1 10 100 1000
011
–40 –5 25 85 125
014 8-
ILOAD (mA) JUNCTION TEMPERATURE (°C)
12508- 1250 Figure 11. Dropout Voltage vs. Load Current (I Figure 14. Output Voltage (V LOAD), VOUT = 5 V OUT) vs. Junction Temperature, VOUT = 3.3 V
5.05 3.35 5.00 3.33 4.95 4.90 3.31 ) ) V 4.85 V ( ( T T OU OU V 4.80 V 3.29 4.75 LOAD = 5mA LOAD = 10mA 4.70 LOAD = 50mA 3.27 LOAD = 100mA 4.65 LOAD = 150mA LOAD = 200mA 4.60 3.25
5
4.8 5.0 5.2 5.4 5.6
012
0.1 1 10 100 1000
01 8-
V I IN (V) LOAD (mA)
1250 12508- Figure 12. Output Voltage (VOUT) vs. Input Voltage (VIN) in Dropout, VOUT = 5 V Figure 15. Output Voltage (VOUT) vs. Load Current (ILOAD), VOUT = 3.3 V Rev. D | Page 8 of 21 Document Outline Features Applications Typical Application Circuits General Description Revision History Specifications Input and Output Capacitance, Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programable Precision Enable Soft Start Noise Reduction of the ADP7112 in Adjustable Mode Current-Limit and Thermal Overload Protection Effect of Noise Reduction on Start-Up Time Thermal Considerations PCB Layout Considerations Outline Dimensions Ordering Guide