ADP2107ACPZ-1.8 Analog Devices Inc, ADP2107ACPZ-1.8 Datasheet
ADP2107ACPZ-1.8
Specifications of ADP2107ACPZ-1.8
Related parts for ADP2107ACPZ-1.8
ADP2107ACPZ-1.8 Summary of contents
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FEATURES Extremely high 97% efficiency Ultralow quiescent current: 20 μA 1.2 MHz switching frequency 0.1 μA shutdown supply current Maximum load current ADP2105 ADP2106: 1.5 A ADP2107 Input voltage: 2 5.5 V Output voltage: ...
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ADP2105/ADP2106/ADP2107 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Typical Operating Circuit ................................................................ 1 Revision History ............................................................................... 2 Functional Block Diagram .............................................................. 3 Specifications ..................................................................................... 4 Absolute Maximum Ratings ............................................................ 6 Thermal Resistance ...................................................................... 6 ...
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FUNCTIONAL BLOCK DIAGRAM COMP 5 SOFT REFERENCE SS 6 START 0. ERROR AMP AGND 7 FOR PRESET VOLTAGE OPTIONS ONLY GND 2 GND 3 SLOPE GND 4 COMPENSATION NC 8 GND 15 OSCILLATOR EN 1 ...
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ADP2105/ADP2106/ADP2107 SPECIFICATIONS 25°C, unless otherwise noted Table 1. Parameter INPUT CHARACTERISTICS Input Voltage Range Undervoltage Lockout Threshold 2 Undervoltage Lockout Hysteresis OUTPUT CHARACTERISTICS Output Regulation Voltage Load Regulation 3 Line Regulation ...
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Parameter INPUT CURRENT CHARACTERISTICS IN Operating Current 4 IN Shutdown Current LX (SWITCH) NODE CHARACTERISTICS Resistance Leakage Current 5 LX Peak Current Limit LX Minimum On-Time ENABLE CHARACTERISTICS EN Input High Voltage EN Input ...
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ADP2105/ADP2106/ADP2107 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter IN, EN, SS, COMP AGND LX1, LX2 to PGND PWIN1, PWIN2 to PGND PGND to AGND GND to AGND PWIN1, PWIN2 to IN Operating Junction Temperature Range Storage Temperature Range Soldering ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 EN Enable Input. Drive EN high to turn on the device. Drive EN low to turn off the device and reduce the input current to ...
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ADP2105/ADP2106/ADP2107 TYPICAL PERFORMANCE CHARACTERISTICS 100 INDUCTOR: SD14, 2.5µH DCR: 60mΩ LOAD CURRENT (mA) ...
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INDUCTOR: SD12, 1.2µH 55 DCR: 37mΩ 25° 100 1k ...
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ADP2105/ADP2106/ADP2107 10k 1k +25°C –40°C 100 10 +125°C 1 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 INPUT VOLTAGE (V) Figure 17. Quiescent Current vs. Input Voltage 0.802 0.801 0.800 0.799 0.798 0.797 0.796 0.795 –40 – ...
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ADP2106 (1.5A) 2.20 2.15 2.10 2.05 2.00 1.95 1.90 1.85 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 INPUT VOLTAGE (V) Figure 23. Peak Current Limit of ADP2106 3.00 2.95 2.90 2.85 ADP2107 (2A) 2.80 2.75 2.70 ...
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ADP2105/ADP2106/ADP2107 190 180 170 160 PMOS POWER SWITCH 150 140 130 NMOS SYNCHRONOUS RECTIFIER 120 110 100 2.7 3.0 3.3 3.6 3.9 4.2 INPUT VOLTAGE (V) Figure 29. Switch On Resistance vs. Temperature—ADP2105 140 120 PMOS POWER SWITCH 100 80 ...
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LX (SWITCH) NODE 3 CHANNEL 3 FREQUENCY = 336.6kHz INDUCTOR CURRENT OUTPUT VOLTAGE 1 4 CH1 1V M 4µs CH3 5V CH4 1AΩ T 45% Figure 35. Current Limit Behavior of ADP2107 (Frequency Foldback) 3 Δ: 2.86A @: 2.86A 1 ...
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ADP2105/ADP2106/ADP2107 THEORY OF OPERATION The ADP2105/ADP2106/ADP2107 are step-down, dc-to-dc converters that use a fixed frequency, peak current mode archi- tecture with an integrated high-side switch and low-side synchron- ous rectifier. The high 1.2 MHz switching frequency and tiny 16-lead, 4 ...
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SLOPE COMPENSATION Slope compensation stabilizes the internal current control loop of the ADP2105/ADP2106/ADP2107 when operating beyond 50% duty cycle to prevent subharmonic oscillations imple- mented by summing a fixed, scaled voltage ramp to the current sense signal during ...
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ADP2105/ADP2106/ADP2107 APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION The external component selection for the ADP2105/ADP2106/ ADP2107 application circuits shown in Figure 37 and Figure 38 depend on input voltage, output voltage, and load current requirements. Additionally, trade-offs between performance parameters like efficiency ...
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When R is determined, calculate the value of the top resistor BOT ( using the following equation: TOP ⎡ ⎤ − OUT FB ⎢ ⎥ TOP BOT ⎣ ⎦ The ADP2105/ADP2106/ADP2107(x.x ...
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ADP2105/ADP2106/ADP2107 OUTPUT CAPACITOR SELECTION The output capacitor selection affects both the output voltage ripple and the loop dynamics of the converter. For a given loop crossover frequency (the frequency at which the loop gain drops to 0 dB), the maximum ...
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INPUT FILTER The IN pin is the power source for the ADP2105/ADP2106/ ADP2107 internal circuitry, including the voltage reference and current sense amplifier that are sensitive to power supply noise. To prevent high frequency switching noise on the PWIN pins ...
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ADP2105/ADP2106/ADP2107 BODE PLOTS LOOP GAIN LOOP PHASE 0 CROSSOVER OUTPUT VOLTAGE = 1.8V FREQUENCY = 87kHz –10 INPUT VOLTAGE = 5.5V LOAD CURRENT = 1A –20 INDUCTOR = 2.2µH (LPS4012) OUTPUT CAPACITOR = 22µF ...
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LOAD TRANSIENT RESPONSE T OUTPUT CURRENT 3 OUTPUT VOLTAGE (AC-COUPLED NODE (SWITCH NODE) CH1 2.00V CH2 100mV~ M 20.0µs CH3 1.00A Ω T 10.00% OUTPUT CAPACITOR: 22µF + 22µF + 4.7µF INDUCTOR: SD14, 2.5µH COMPENSATION RESISTOR: 270kΩ ...
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ADP2105/ADP2106/ADP2107 EFFICIENCY CONSIDERATIONS Efficiency is the ratio of output power to input power. The high efficiency of the ADP2105/ADP2106/ADP2107 has two distinct advantages. First, only a small amount of power is lost in the dc- to-dc converter package that reduces ...
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For example application where the ADP2107(1 used with an input voltage load current and a maximum ambient temperature of 85° load current the ...
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ADP2105/ADP2106/ADP2107 DESIGN EXAMPLE Consider an application with the following specifications: Input Voltage = 3 4.2 V. Output Voltage = 2 V. Typical Output Current = 600 mA. Maximum Output Current = 1.2 A. Soft Start Time = 2 ...
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EXTERNAL COMPON ENT RECOMMENDATIONS For popular output voltage options at 80 kHz crossover fre Figure 38). Table 11. Recommended External Com 1 Part V (V) C (μ F) OUT IN1 ADP2105(ADJ) 0.9 4.7 ADP2105(ADJ) 1.2 4.7 ADP2105(ADJ) 1.5 4.7 ADP2105(ADJ) ...
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ADP2105/ADP2106/ADP2107 For popular output voltage options at 80 kHz crossover frequency with 5 Figure 38). Table 12. Re commended External Components 1 Part V (V) C (μF) OUT IN1 ADP2105(ADJ) 0.9 4.7 ADP2105(ADJ) 1.2 4.7 ADP2105(ADJ) 1 ADP2105(ADJ) ...
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CIRCUIT BOARD LAYOUT RECOMMENDATIONS Good circui t board layout is essential to obtaining the best performance from the ADP2105/ADP2106/ADP21 circui t layout degrades utp ut ripple, a electromagnetic i terfer n ence (E MI) and elec compatibility ...
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ADP2105/ADP2106/ADP2107 EVALUATION BOARD EVALUATION BOARD SCHEMATIC FOR ADP210 VCC 100kΩ 140kΩ C6 68pF Figure 53. Evaluation Board Schematic RECOMMENDED PCB LAYOUT (EVALUATION BOAR ENABLE 100kΩ PULL-DOWN PLACE ...
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ENABL ANALOG GROUND PLANE CONNECT THE EXPOSED PAD OF THE ADP2105/ADP2106/ADP2107 TO A LARGE GROUND PLANE TO AID POWER DISSIPATION. FEEDBACK TRACE: THIS TRACE CONNECTS THE RESISTIVE VOLTAGE DIVIDER ON THE FB PIN TO T PLACE THIS ...
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ADP2105/ADP2106/ADP2107 APPLICATION CIRCUITS ON OFF 70kΩ 120pF ON OFF 140kΩ 68pF Figure 57. Application Circuit—V 0.1μF V INPUT VOLTAGE = 5V 10Ω 10μF V OUT ...
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V INPUT VOLTAGE = 2.7V TO 4.2V 10Ω OUT GND IN PWIN1 ON EN LX2 OFF 1 12 GND PGND 2 11 ADP2105-1.8 GND LX1 PWIN2 GND 4 ...
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ADP2105/ADP2106/ADP2107 ON EN OFF 1 GND 2 GND 3 GND 4 180kΩ 56pF Figure 60. Application Circuit—V 0.1μF V INPUT VOLTAGE = 5V 10Ω 10μ GND IN PWIN1 LX2 12 2 2.5μH ...
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... A 1 ADP2105ACPZ-1.8- ADP2105ACPZ-3.3- ADP2105ACPZ- ADP2106ACPZ-1.2-R7 1.5 A ADP2106ACPZ-1.5- ADP2106ACPZ-1.8-R7 1.5 A ADP2106ACPZ-3.3- ADP2106ACPZ-R7 1 ADP2107ACPZ-1.2- ADP2107ACPZ-1.5- ADP2107ACPZ-1.8- ADP2107ACPZ-3.3- ADP2107ACPZ- ADP2105-1.8-EVALZ 1 1 ADP2105-EVALZ ADP2106-1.8-EVALZ 1 1 ADP2106-EVALZ 1 ADP2107-1.8-EVALZ 1 ADP2107-EVALZ RoHS Compliant Part. 4.00 0.60 MAX BSC SQ 0.60 MAX 13 12 0.65 BSC TOP 3.75 EXPOSED VIEW ...
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ADP2105/ADP2106/ADP2107 NOTES Rev Page ...
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NOTES ADP2105/ADP2106/ADP2107 Rev Page ...
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ADP2105/ADP2106/ADP2107 NOTES ©2006–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06079-0-9/08(C) Rev Page ...