ADP171-BL1-EVZ Analog Devices Inc, ADP171-BL1-EVZ Datasheet
ADP171-BL1-EVZ
Specifications of ADP171-BL1-EVZ
Related parts for ADP171-BL1-EVZ
ADP171-BL1-EVZ Summary of contents
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... ADP170/ ADP171 ideal for battery-operated portable equipment. The ADP170 is capable of 31 fixed-output voltage options, ranging from 0 3.0 V. ADP171 is an adjustable version, which allows output voltages that range from 0 3.0 V via an external divider. The ADP170/ADP171 are optimized for stable operation with small 1 μ ...
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... ADP170/ADP171 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Typical Application Circuits ............................................................ 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Input and Output Capacitor, Recommended Specifications ........ 4 Absolute Maximum Ratings ............................................................ 5 Thermal Data ................................................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution .................................................................................. 5 Pin Configurations and Function Descriptions ........................... 6 REVISION HISTORY 5/10—Rev Rev. B Changes to Figure 1 and Figure 2 ................................................... 1 Updated Outline Dimensions ...
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... IN OUT Table 1. Parameter INPUT VOLTAGE RANGE 1 OPERATING SUPPLY CURRENT SHUTDOWN CURRENT FIXED-OUTPUT VOLTAGE ACCURACY ADJUSTABLE-OUTPUT VOLTAGE 2 ACCURACY (ADP171) ADJ INPUT BIAS CURRENT (ADP171) LINE REGULATION 3 LOAD REGULATION 4 DROPOUT VOLTAGE 5 START-UP TIME 6 CURRENT-LIMIT THRESHOLD THERMAL SHUTDOWN Thermal Shutdown Threshold Thermal Shutdown Hysteresis ...
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... POWER SUPPLY REJECTION RATIO 1 The current from the external resistor divider network in the case of adjustable voltage output (as with the ADP171) should be subtracted from the ground current measured. 2 Accuracy when VOUT is connected directly to ADJ. When the VOUT voltage is set by external feedback resistors, the absolute accuracy in adjust mode depends on the tolerances of resistors used ...
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... THERMAL DATA Absolute maximum ratings apply only individually, not in combination. The ADP170/ADP171 can be damaged when the junction temperature limits are exceeded. Monitoring ambient temperature does not guarantee that T J temperature limits. In applications with high power dissipation and poor thermal resistance, the maximum ambient temperature may have to be derated ...
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... No Connect. Not connected internally. 4 ADJ Adjust. A resistor divider from VOUT to ADJ sets the output voltage VOUT Regulated Output Voltage. Bypass VOUT to GND with a 1 μF or greater capacitor. VOUT NC Rev Page VIN 1 VOUT 5 ADP171 GND 2 TOP VIEW (Not to Scale ADJ Figure 4. ADP171 5-Lead TSOT ...
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... T = 25°C, unless otherwise noted. IN OUT A 85 125 100 1k 180 160 140 120 100 I = 200mA LOAD I = 300mA LOAD 3.1 3.3 3.5 Rev Page ADP170/ADP171 200 180 160 I = 300mA LOAD 140 120 I = 100mA LOAD 100 10mA LOAD 1mA LOAD 100µA ...
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... ADP170/ADP171 5 2. 2. 3. 3.5V 3 3.6V IN 2.5 2.0 1.5 1.0 0.5 0 –50 – TEMPERATURE (°C) Figure 11. Shutdown Current vs. Temperature at Various Input Voltages 25° 0 LOAD CURRENT (mA) Figure 12. Dropout Voltage vs. Load Current 1.85 1.80 1.75 1.70 1.65 1.60 1.55 1.50 1 ...
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... V Figure 20. RMS Noise vs. Load Current and Output Voltage OUT 10M CH1 Figure 21. Load Transient Response CH1 10k 100k Figure 22. Load Transient Response, C Rev Page ADP170/ADP171 3V 1.8V 0.8V 0.01 0 100 LOAD CURRENT (mA) I LOAD 1mA TO 300mA LOAD STEP, 2.5A/µs V OUT ...
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... ADP170/ADP171 V IN 2.6V TO 3.6V INPUT VOLTAGE STEP, 2V/µ OUT 2 CH1 1.00V CH2 10.0mV M10.0µs A CH1 T Figure 23. Line Transient Response, Load Current = 1.8V OUT 1µF IN OUT 2.94V 39.3000% Rev Page 2.6V TO 3.6V INPUT VOLTAGE STEP 2V/µ OUT 2 V OUT CH1 1.00V CH2 10.0mV M10.0µ ...
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... PMOS device is pulled higher, allowing less current VOUT to pass and decreasing the output voltage. The adjustable ADP171 has an output voltage range of 0 3.0 V. The output voltage is set by the ratio of two external resistors shown in Figure 2. The device servos the output to maintain the voltage at the ADJ pin at 0 ...
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... Input and Output Capacitor Properties Any good quality ceramic capacitor can be used with the ADP170/ADP171, as long as it meets the minimum capacitance and maximum ESR requirements. Ceramic capacitors are manu- factured with a variety of dielectrics, each with different behavior over temperature and applied voltage ...
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... ADP170/ADP171 inputs and the output behave in a predictable manner during power-up. ENABLE FEATURE The ADP170/ADP171 use the EN pin to enable and disable the VOUT pin under normal operating conditions. As shown in Figure 30, when a rising voltage on EN crosses the active threshold, VOUT turns on. When a falling voltage on EN crosses the inactive threshold, VOUT turns off ...
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... Consider the case where a hard short from VOUT to GND occurs. At first, the ADP170/ADP171 will limit the current so that only 450 mA is conducted into the short. If self-heating of the junction is great enough to cause its temperature to rise above 150°C, thermal shutdown will activate, turning off the output and reducing the output current to 0 ...
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... J dissipation (P = 100mA The typical value of Ψ 140 120 100 2.5 3 0.4 = 100mA = 10mA 2.5 3.0 Rev Page ADP170/ADP171 T MAX J = 300mA I = 150mA LOAD I = 100mA LOAD I = 25mA LOAD I = 1mA I = 10mA LOAD LOAD 1.0 1.5 2.0 2.5 V – V ...
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... CONSIDERATIONS Heat dissipation from the package can be improved by increasing the amount of copper attached to the pins of the ADP170/ADP171. However, as can be seen from Table 6, a point of diminishing returns is eventually reached, beyond which an increase in the copper size does not yield significant heat dissipation benefits. ...
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... ADP170AUJZ-2.5-R7 –40°C to +125°C ADP170AUJZ-2.8-R7 –40°C to +125°C ADP171AUJZ-R7 –40°C to +125°C ADP170-1.8-EVALZ ADP170-BL1-EVZ ADP171-EVALZ ADP171-BL1-EVZ RoHS Compliant Part. 2 For additional voltage options, contact your local Analog Devices, Inc., sales or distribution representative. 2.90 BSC 5 4 2.80 BSC 1 ...
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... ADP170/ADP171 NOTES Rev Page ...
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... NOTES Rev Page ADP170/ADP171 ...
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... ADP170/ADP171 NOTES ©2009–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07716-0-5/10(B) Rev Page ...