ADP3000AR Analog Devices, ADP3000AR Datasheet
ADP3000AR
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ADP3000AR Summary of contents
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... Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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ADP3000 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configurations and Function Descriptions ........................... 5 Typical Performance Characteristics ............................................. 6 Theory of Operation ........................................................................ 9 Applications Information .............................................................. 10 Component Selection................................................................. 10 Programming the Switching ...
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SPECIFICATIONS 0°C ≤ T ≤ +70° unless otherwise noted Table 1. Parameter INPUT VOLTAGE SHUT-DOWN QUIESCENT CURRENT COMPARATOR TRIP POINT VOLTAGE OUTPUT SENSE VOLTAGE COMPARATOR HYSTERESIS OUTPUT HYSTERESIS OSCILLATOR FREQUENCY DUTY CYCLE SWITCH-ON TIME ...
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ADP3000 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Input Supply Voltage, Step-Up Mode Input Supply Voltage, Step-Down Mode SW1 Pin Voltage SW2 Pin Voltage Feedback Pin Voltage (ADP3000) Switch Current Maximum Power Dissipation Operating Temperature Range Storage Temperature Range Lead Temperature ...
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PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS I FB (SENSE LIM ADP3000 V SET TOP VIEW SW1 (Not to Scale) SW2 GND 4 5 *FIXED VERSIONS Figure 4. 8-Lead Plastic DIP (N- ...
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ADP3000 TYPICAL PERFORMANCE CHARACTERISTICS 2.5 2.0 1 25° 1 0 25° 0.1 0.2 0.4 0.6 0.8 1.0 ...
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1.6 1 25° 85°C 0.8 A 0.6 0.4 0 100 R (Ω) LIM Figure 15. Maximum Switch Current vs Step-Up Mode (3 ...
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ADP3000 250 200 150 100 50 0 – TEMPERATURE (°C(T Figure 21. Feedback Bias Current vs. Temperature 700 V = 20V IN 600 500 400 300 200 100 0 – TEMPERATURE (°C(T Figure 22. Quiescent Current ...
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THEORY OF OPERATION The ADP3000 is a versatile, high frequency, switch mode power supply (SMPS) controller. The regulated output voltage can be greater than the input voltage (in boost or step-up mode) or less than the input voltage (in buck ...
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ADP3000 APPLICATIONS INFORMATION COMPONENT SELECTION Inductor Selection For most applications, the inductor used with the ADP3000 falls in the range of 4.7 µ µH. Table 4 shows recommended inductors and their vendors. When selecting an inductor for the ...
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The delay through the current limiting circuit is approximately 0.3 µs. If the switch-on time is reduced to less than 1.7 µs, accuracy of the current trip point is reduced as well. An attempt to program a switch-on time of ...
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ADP3000 Step-Down ⎡ ⎡ ⎛ ⎞ ⎜ ⎟ = ⎢ + ⎢ ⎜ ⎟ D − SW CESAT ⎢ ⎝ ⎠ ⎢ β ⎣ ⎣ IN where when the ...
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TYPICAL APPLICATION CIRCUITS L1 6.8µ 3. 120Ω 100µF 10V LIM IN SW1 3 ADP3000-3.3V SENSE 8 GND SW2 SUMIDA CR43-6R8 C1 AVX TPS D107 ...
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ADP3000 L1 = SUMIDA CR54-150 C1 = AVX TPS D476 M016R0150 C2 = AVX TPS D107 M010R0100 TYPICAL EFFICIENCY = 60% 2.5V TO 4.2V 100kΩ 120Ω 100µ 10V LIM AVX-TPS SET ADP3000 1MΩ GND 90kΩ Figure ...
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OUTLINE DIMENSIONS 0.375 (9.53) 0.365 (9.27) 0.355 (9.02 0.295 (7.49) 0.285 (7.24) 0.275 (6.98 0.325 (8.26) 0.310 (7.87) 0.100 (2.54) 0.300 (7.62) BSC 0.015 0.180 (0.38) (4.57) MIN MAX 0.150 (3.81) SEATING 0.130 (3.30) PLANE 0.110 ...
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... ADP3000AN- ADP3000AR Adjustable ADP3000AR-REEL Adjustable ADP3000AR-3.3 3.3 V ADP3000AR-3.3-REEL 3.3 V ADP3000AR ADP3000AR-5-REEL 5 V ADP3000AR- ADP3000AR-12-REEL 12 V ADP3000ARU Adjustable ADP3000ARU-REEL Adjustable © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 5.10 5.00 4. ...