ADP223 Analog Devices, ADP223 Datasheet
ADP223
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ADP223 Summary of contents
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... Overcurrent and thermal protection circuitry prevent damage in adverse conditions. The ADP224 ADP223/ADP225 may ADP223, respectively, but with the addition of a quick output discharge (QOD) feature. The ADP222/ADP223/ADP224/ADP225 extend the battery life small 8-lead × LFCSP package and are stable with tiny 1 µ ...
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... ADP222/ADP223/ADP224/ADP225 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 Configuration and Function Descriptions ............................. 6 REVISION HISTORY 8/11—Rev Rev. B Changes to Features and General Descriptions Sections ............ 1 Added Figure 64 ...
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... IN 2.5 V ≤ V ≤ 5 EN1 = EN2 = V or GND I-LEAKAGE IN EN1 = EN2 = V or GND RISE FALL HYS V = 2.8 V OUT QOD Rev Page ADP222/ADP223/ADP224/ADP225 = 10 mA µF, T OUT2 IN OUT1 OUT2 Min Typ 2.5 65 100 300 0.2 − 5.5 V −2 OUT 0.495 0.500 + 0 ...
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... ADP222/ADP223/ADP224/ADP225 Parameter Symbol OUTPUT NOISE OUT POWER SUPPLY REJECTION RATIO PSRR 1 Accuracy when VOUTx is connected directly to ADJx or SENSEx. When the VOUTx voltage is set by external feedback resistors, the absolute accuracy in adjust mode depends on the tolerances of resistors used. 2 Based on an end-point calculation using 1 mA and 300 mA loads. ...
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... Table 4. Thermal Resistance J ) Package Type D 8-Lead 2 mm × LFCSP ESD CAUTION Rev Page ADP222/ADP223/ADP224/ADP225 ) of the package is JA AN-772 of the package is based on modeling and JB measures the component power flowing JB . Therefore, Ψ thermal paths include ...
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... Adjust Pin for VOUT1. A resistor divider from VOUT1 to ADJ1 sets the output voltage. SENSE1 Sense Pin for VOUT1. EPAD The exposed paddle must be connected to ground. Rev Page Data Sheet ADP223/ ADP225 1 8 EN1 ADJ1 2 7 EN2 VOUT1 3 6 GND VIN 4 ADJ2 VOUT2 5 NOTES 1. CONNECT EXPOSED PAD TO GND. Figure 4. ADP223/ADP225 Pin Configuration ...
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... V, OUTx 85 125 = 2.8 V, Figure 9. Output Voltage vs. Load Current, V OUTx 85 125 = 1.8 V, Figure 10. Output Voltage vs. Load Current, V OUTx Rev Page ADP222/ADP223/ADP224/ADP225 = 25°C, unless otherwise noted. A 1.220 1.215 1.210 1.205 1.200 1.195 LOAD = 10µA LOAD = 100µA 1.190 LOAD = 1mA LOAD = 10mA 1.185 ...
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... ADP222/ADP223/ADP224/ADP225 1.820 1.815 1.810 1.805 1.800 1.795 1.790 1.785 1.780 0.01 0 (mA) LOAD Figure 11. Output Voltage vs. Load Current, V OUTx 1.220 1.215 1.210 1.205 1.200 1.195 1.190 1.185 1.180 0.01 0 (mA) LOAD Figure 12. Output Voltage vs. Load Current, V OUTx 3.40 3.38 3.36 3.34 3.32 3.30 3.28 LOAD = 10µA 3.26 LOAD = 100µA LOAD = 1mA 3 ...
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... Figure 21. Ground Current vs. Input Voltage, V 250 200 150 100 50 0 100 1000 2.30 ADP222/ADP224 Figure 22. Ground Current vs. Input Voltage, V Rev Page ADP222/ADP223/ADP224/ADP225 0 100 I (mA) LOAD ADP222/ADP224 LOAD = 10µA LOAD = 10mA LOAD = 100µA LOAD = 100mA LOAD = 1mA LOAD = 300mA 2 ...
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... Rev Page Data Sheet LOAD = 100µA LOAD = 1mA LOAD = 10mA LOAD = 50mA LOAD = 100mA LOAD = 300mA –40 – JUNCTION TEMPERATURE (°C) ADP223/ADP225 0 100 I (mA) LOAD = 3.3 V, OUTx 0.01 0 100 I (mA) LOAD = 2.8 V, OUTx 125 = 1.2 V, OUTx 1000 ADP223/ADP225 1000 ADP223/ADP225 ...
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... LOAD = 100µA LOAD = 1mA LOAD = 10mA LOAD = 50mA LOAD = 200mA LOAD = 300mA 5.10 5.30 5.50 ADP223/ADP225 LOAD = 100µA LOAD = 1mA LOAD = 10mA LOAD = 50mA LOAD = 100mA LOAD = 300mA 5.10 5.50 ADP223/ADP225 LOAD = 100µA LOAD = 1mA LOAD = 10mA LOAD = 50mA LOAD = 100mA LOAD = 300mA 5.10 5.50 ADP223/ADP225 ...
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... LOAD = 10mA LOAD = 50mA LOAD = 100mA LOAD = 300mA 0 2.3 2.7 3.1 3.5 3.9 4.3 4 1.2 V, Single Output, OUTx Includes 100 µA for Output Divider, ADP223/ADP225 450 400 350 300 250 200 150 LOAD = 100µA 100 LOAD = 1mA LOAD = 10mA LOAD = 50mA 50 LOAD = 200mA LOAD = 300mA 0 2.3 2 ...
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... Figure 45. Ground Current vs. Input Voltage in Dropout 2.8 V OUT LOAD = 1mA LOAD = 5mA LOAD = 10mA LOAD = 50mA LOAD = 100mA LOAD = 300mA 3.5 3.6 Figure 46. Ground Current vs. Input Voltage in Dropout 3.3 V OUTx Rev Page ADP222/ADP223/ADP224/ADP225 2.90 2.85 2.80 2.75 2.70 2.65 2.60 2.55 LOAD = 1mA LOAD = 5mA 2.50 LOAD = 10mA LOAD = 50mA 2.45 LOAD = 100mA LOAD = 300mA 2 ...
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... ADP222/ADP223/ADP224/ADP225 50mV RIPPLE V = 4.3V – 3.3V OUT C = 1µF OUT –20 –30 –40 –50 –60 –70 –80 –90 –100 10 100 1k 10k FREQUENCY (Hz) Figure 47. Power Supply Rejection Ratio vs. Frequency 4. 3 OUTx 50mV RIPPLE V = 3.8V – 2.8V OUT C = 1µF OUT –20 – ...
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... Figure 56. Transient Line Response CH4 200mV 10.40 Figure 57. Transient Line Response CH4 200mV 9. Figure 58. Transient Load Response Rev Page ADP222/ADP223/ADP224/ADP225 OUT1 2 V OUT2 3 1 CH1 1V B CH2 10mV B M1µs A CH4 W ...
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... ADP222/ADP223/ADP224/ADP225 LOAD CURRENT ON V OUT1 OUT1 V OUT2 3 CH1 200mA Ω B CH2 50mV B M10µs A CH1 CH3 10.0mV T W Figure 59. Transient Load Response 1 OUTx OUTx LOAD 0.001 0.01 0 (mA) LOAD Figure 60. RMS Output Noise vs. Load Current and Output Voltage, ...
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... EN1/EN2 are low, VOUT1/VOUT2 turn off. For consist of a automatic startup, EN1/EN2 can be tied to VIN. Rev Page ADP222/ADP223/ADP224/ADP225 1µ OFF R1 1 EN1 ADJ1 8 ADP223/ ON ADP225 OFF 2 7 EN2 VOUT1 3 GND VIN 6 VOUT1 = 2.8V ADJ2 VOUT2 Figure 64 ...
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... Therefore, the capacitor chosen in this example meets the minimum capacitance requirement of the LDO over temperature and tolerance at the chosen output voltage. To guarantee the performance of the ADP222/ADP223/ ADP224/ADP225 imperative that the effects of dc bias, temperature, and tolerances on the behavior of the capacitors be evaluated for each application ...
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... LDO with and without the QOD function. Both LDOs have a 1 kΩ resistor connected to each output. The LDO with the QOD function discharges the output less than 1 ms, whereas the 1 kΩ load takes over the same. Rev Page ADP222/ADP223/ADP224/ADP225 3.5 ENx 3.3V 2.8V 3 ...
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... CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION The ADP222/ADP223/ADP224/ADP225 damage due to excessive power dissipation by current and thermal overload protection circuits. The ADP222/ADP223/ ADP224/ADP225 are designed to current limit when the output load reaches 300 mA (typical). When the output load exceeds 300 mA, the output voltage is reduced to maintain a constant current limit ...
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... Data Sheet The junction temperature of the ADP222/ADP223/ADP224/ ADP225 can be calculated × θ where the ambient temperature the power dissipation in the die, given [(V − × × OUT LOAD IN where the load current. ...
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... VOUTx and GND pins. Use of 0402 or 0603 size capacitors and resistors achieves the smallest possible footprint solution on boards where area is limited. TB1 J1 TB2 U1 TB3 J2 ADP223 - ________ - EVALZ ANALOG DEVICES Figure 76. Example 8-Lead LFCSP PCB Layout Rev Page Data Sheet GND TB5 R1 R2 ...
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... Package [LFCSP_UD] 3.3 2.8 8-Lead Lead Frame Chip Scale Package [LFCSP_UD] 3.3 3.0 8-Lead Lead Frame Chip Scale Package [LFCSP_UD] 2.8 1.8 8-Lead Lead Frame Chip Scale Package [LFCSP_UD] Adjustable Adjustable 8-Lead Lead Frame Chip Scale Package [LFCSP_UD] Rev Page ADP222/ADP223/ADP224/ADP225 0.50 BSC 8 0.175 REF 1.10 1.00 0.90 1 Package Option CP-8-10 CP-8-10 CP-8-10 CP-8-10 CP-8-10 CP-8-10 CP-8-10 CP-8-10 CP-8-10 ...
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... ADP222/ADP223/ADP224/ADP225 Model 1 Temperature Range ADP223ACPZ-R7 −40°C to +125°C ADP223CP-EVALZ ADP225CP-EVALZ RoHS Compliant Part. ©2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Output Voltage (V) VOUT1 VOUT2 Package Description Adjustable Adjustable 8-Lead Lead Frame Chip Scale ...