ADP5042CP-1-EVALZ Analog Devices, ADP5042CP-1-EVALZ Datasheet
ADP5042CP-1-EVALZ
Specifications of ADP5042CP-1-EVALZ
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ADP5042CP-1-EVALZ 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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ADP5042 TABLE OF CONTENTS Features .............................................................................................. 1 High Level Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 General Specification ................................................................... 3 Supervisory Specification ............................................................ 3 Buck Specifications ....................................................................... 5 LDO1, LDO2 Specifications ....................................................... ...
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Data Sheet SPECIFICATIONS GENERAL SPECIFICATION AVIN, VIN1 = ( 2.3 V, whichever is greater, AVIN, VIN1 ≥ VIN2, VIN3, T OUT1 are enabled. Table 1. Parameter AVIN UNDERVOLTAGE LOCKOUT Input Voltage Rising Input Voltage Falling SHUTDOWN ...
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ADP5042 Parameter Watchdog 2 Timeout Period (t ) WD2 Option A Option B Option C Option D Option E Option F Option G Option H Watchdog 2 Power Off Period (t ) POFF Option A Option B WDI1 Pulse Width ...
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Data Sheet BUCK SPECIFICATIONS AVIN, VIN1 = 3 1 −40°C to +125°C for minimum/maximum specifications µH, C OUT1 J for typical specifications, unless otherwise noted. Table 3. Parameter INPUT CHARACTERISTICS Input ...
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ADP5042 Parameter Symbol Load Regulation 1 ∆V ∆V DROPOUT VOLTAGE 2 V ACTIVE PULL-DOWN R START-UP TIME T CURRENT-LIMIT THRESHOLD 3 I LIMIT OUTPUT NOISE OUT OUT POWER SUPPLY REJECTION RATIO PSRR 1 Based on an end-point calculation using 1 ...
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Data Sheet ABSOLUTE MAXIMUM RATINGS Table 6. Parameter AVIN, VINx, VOUTx, ENx, MODE, MR, WDIx, WMOD, WSTAT, nRSTO to GND Storage Temperature Range Operating Junction Temperature Range Soldering Conditions ESD Human Body Model ESD Charged Device Model ESD Machine Model ...
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ADP5042 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 8. Preliminary Pin Function Descriptions Pin No. Mnemonic Description not connect to this pin. 2 VOUT3 LDO2 Output Voltage and Sensing Input. 3 VIN3 LDO2 Input Supply (1 ...
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Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS VIN1 = VIN2 = VIN3 = AVIN = 5 VOUT1 1 VOUT2 2 VOUT3 3 2.0V/DIV 1MΩ B CH1 20.0M A CH1 W 2.0V/DIV 1MΩ B CH2 500M W 2.0V/DIV 1MΩ B CH3 ...
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ADP5042 1.795 1.794 +85°C 1.793 1.792 +25°C 1.791 1.790 1.789 1.788 1.787 1.786 –40°C 1.785 1.784 0 0.1 0.2 0.3 0.4 OUTPUT CURRENT (A) Figure 9. Buck Load Regulation Across Temperature, VOUT1 = 1.8 V, PWM Mode 1.797 1.796 1.795 ...
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Data Sheet 100 90 80 –40ºC +25ºC 70 +85º 0.001 0.01 OUTPUT CURRENT (A) Figure 15. Buck Efficiency vs. Load Current, Across Temperature, VOUT1 = 1.8 V, PWM Mode 100 –40°C +25°C 90 ...
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ADP5042 VOUT 2.0V/DIV 1MΩ B CH1 20.0M A CH1 W B CH2 50.0mV/DIV 20. CH3 500mA/DIV 20.0M W Figure 21. Typical Waveforms, VOUT1 = 1.8 V, IOUT2 = 30 mA, Auto Mode ...
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Data Sheet SW 1 VOUT V 2 OUT LOAD 3 B CH1 4V/DIV 20.0M A CH3 W B CH2 50mV/DIV 20. CH3 50mA/DIV 1MΩ 20.0M W Figure 27. Buck Response to Load Transient, IOUT2 from ...
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ADP5042 1.53 +85°C +25°C –40°C 1.52 1.51 1.5 1.49 1.48 1.47 0.0001 0.001 0.01 OUTPUT CURRENT (A) Figure 33. LDO1 Load Regulation Across Temperature, VIN2 = 3.3 V, VOUT2 = 1.5 V 1.520 100µA 1mA 10mA 1.515 100mA 150mA 1.510 ...
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Data Sheet 0.50 1µA 100µA 0.45 1mA 10mA 0.40 100mA 150mA 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 2.3 2.8 3.3 3.8 4.3 INPUT VOLTAGE (V) Figure 39. LDO2 Ground Current vs. Input Voltage, Across Output Load, VOUT3 = ...
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ADP5042 100 CH2; V CH2; V CH2; V CH2; V CH2 0.0001 0.001 0.01 0.1 LOAD (mA) Figure 45. LDO1 Output Noise vs. Load Current, Across Input and Output Voltage 100 CH3; VOUT = 3.3V; VIN = 5V ...
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Data Sheet –10 1mA 10mA –20 100mA 200mA –30 300mA –40 –50 –60 –70 –80 –90 –100 10 100 1k 10k FREQUENCY (Hz) Figure 51. LDO2 PSRR Across Output Load, VIN3 = 3.1 V, VOUT3 = 2.8 V –10 1mA ...
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ADP5042 THEORY OF OPERATION VDDA AVIN GM ERROR PWM COMP VIN1 I LIMIT PWM/ PSM CONTROL LOW BUCK1 CURRENT SW DRIVER AND ANTISHOOT THROUGH PGND POFF MODE MODE ENABLE EN1 ENBK AND MODE CONTROL ENLDO1 EN2 ENLDO2 EN3 SEL VDDA ...
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Data Sheet Thermal Protection In the event that the junction temperature rises above 150°C, the thermal shutdown circuit turns off the buck and the LDOs. Extreme junction temperatures can be the result of high current operation, poor circuit board design, ...
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ADP5042 the amount of current that can flow from the input to the output. The negative current limit prevents the inductor current from reversing direction and flowing out of the load. 100% Duty Operation With a dropping input voltage or ...
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Data Sheet Watchdog 1 Input The ADP5042 features a watchdog timer that monitors micro- processor activity. A timer circuit is cleared with every low-to- high or high-to-low logic transition on the watchdog input pin (WDI1), which detects pulses as short ...
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ADP5042 Watchdog Status Indicator In addition to the dual watchdog function, the ADP5042 features a watchdog status monitor available on the WSTAT pin. This pin can be queried by the external processor to determine the origin of a reset. WSTAT ...
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Data Sheet APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Trade-offs between performance parameters such as efficiency and transient response can be made by varying the choice of external components in the applications circuit, as shown in Figure 66. Inductor The high ...
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ADP5042 The peak-to-peak output voltage ripple for the selected output capacitor and inductor values is calculated using the following equation RIPPLE π × × × × OUT Capacitors ...
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Data Sheet Input and Output Capacitor Properties Use any good quality ceramic capacitors with the ADP5042 as long as they meet the minimum capacitance and maximum ESR requirements. Ceramic capacitors are manufactured with a variety of dielectrics, each with a ...
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ADP5042 using a slightly longer watchdog timeout. In the program that calls the subroutine, WDI1 is set high. The subroutine sets WDI1 low when it is called. If the program executes without error, WDI1 is toggled high and low with ...
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Data Sheet EVALUATION BOARD SCHEMATICS AND ARTWORK VIN1 = 2.3V TO 5.5V VIN2 = 1.7V TO 5.5V VIN3 = 1.7V TO 5.5V SUGGESTED LAYOUT 0.5 1.0 1.5 GPL 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5 ...
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... Figure 69. Application Diagram Rev Page Data Sheet Vendor Package Taiyo Yuden 0402 Taiyo Yuden 0603 Taiyo Yuden 0603 0201/0402 Taiyo Yuden 0603 TDK 0603 Analog Devices 20-Lead LFCSP L1 1µH VOUT1 AT 800mA C6 10µF FPWM PWM/PSM VOUT2 AT 300mA C2 1µ ...
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Data Sheet FACTORY PROGRAMMABLE OPTIONS Table 16. Reset Voltage Threshold Options Selection 111 (For VIN = 5 V − 6%) 110 (For VOUT = 3.3 V) 101 (For VOUT = 3.3 V) 100 (For VOUT = 2.8 V) 011 (For ...
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... Regulator Settings ADP5042ACPZ-1-R7 VOUT1 = 1.8 V VOUT2 = 1.5 V VOUT3 = 3.3 V UVLO = 2.2 V Sequencing: LDO1, LDO2, buck ADP5042ACPZ-2-R7 VOUT1 = 1.5 V VOUT2 = 1.8 V VOUT3 = 3.3 V UVLO = 2.2 V Sequencing: LDO1, LDO2, buck ADP5042CP-1-EVALZ ADP5042CP-2-EVALZ RoHS Compliant Part. 2 Monitoring ambient temperature does not guarantee that the junction temperature (T 4.10 0.30 4.00 SQ 0.25 3.90 0.20 16 0.50 15 BSC ...
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Data Sheet NOTES Rev Page ADP5042 ...
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... ADP5042 NOTES ©2010-2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08811-0-11/11(A) Rev Page Data Sheet ...