ADP5034ACPZ-1-R7 Analog Devices Inc, ADP5034ACPZ-1-R7 Datasheet
ADP5034ACPZ-1-R7
Specifications of ADP5034ACPZ-1-R7
Related parts for ADP5034ACPZ-1-R7
ADP5034ACPZ-1-R7 Summary of contents
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FEATURES Main input voltage range: 2 5.5 V Two 1200 mA buck regulators and two 300 mA LDOs 24-lead × LFCSP package Regulator accuracy: ±3% Factory programmable or external adjustable VOUTx 3 MHz buck ...
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ADP5034 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Typical Application Circuit ............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 General Specifications ................................................................. 3 BUCK1 and BUCK2 Specifications ........................................... 4 LDO1 and LDO2 Specifications................................................. 4 Input ...
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SPECIFICATIONS GENERAL SPECIFICATIONS 2 5 AVIN IN1 IN2 IN3 25°C for typical specifications, unless otherwise noted. Table 1. Parameter INPUT VOLTAGE RANGE THERMAL SHUTDOWN Threshold Hysteresis START-UP TIME 1 BUCK1, ...
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ADP5034 BUCK1 AND BUCK2 SPECIFICATIONS 2 5 −40°C to +125°C for minimum/maximum specifications, and T AVIN IN1 IN2 J 1 specifications, unless otherwise noted. Table 2. Parameter Symbol OUTPUT ...
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Parameter Symbol VOLTAGE FEEDBACK FB3 FB4 4 DROPOUT VOLTAGE V DROPOUT 5 CURRENT-LIMIT THRESHOLD LIMIT3 LIMIT4 ACTIVE PULL-DOWN R PDWN-L OUTPUT NOISE Regulator LDO1 NOISE LDO1 Regulator LDO2 NOISE LDO2 POWER SUPPLY REJECTION PSRR ...
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ADP5034 ABSOLUTE MAXIMUM RATINGS Table 5. Parameter AVIN, VIN1, VIN2, VIN3, VIN4, VOUT1, VOUT2, VOUT3, VOUT4, FB1, FB2, FB3, FB4, EN1, EN2, EN3, EN4, MODE to Ground SW1, SW2 VIN1, VIN2 to AVIN Storage Temperature Range Operating Junction Temperature Range ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 7. Pin Function Descriptions Pin No. Mnemonic Description 1 FB4 LDO2 Feedback Input. For device models with a factory programmed output voltage, connect FB4 to the top of the capacitor on VOUT4. 2 EN4 ...
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ADP5034 TYPICAL PERFORMANCE CHARACTERISTICS 5 25°C, unless otherwise noted. IN1 IN2 IN3 IN4 A 140 120 100 2.3 2.8 3.3 3.8 INPUT VOLTAGE (V) ...
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0.0001 0.001 0.01 I (A) OUT Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage, V ...
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ADP5034 100 +25°C 10 +85°C –40°C 0 0.001 0.01 I (A) OUT Figure 15. BUCK1 Efficiency vs. Load Current, Across Temperature 3.3 V, Auto Mode OUT1 100 +25°C +85°C 90 ...
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T VOUT CH1 50mV CH2 500mA Ω M 400ns B W CH4 2.00V 28.40% Figure 21. Typical Waveforms 3 OUT1 OUT1 T VOUT ...
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ADP5034 VOUT 1 I OUT 2 CH1 50.0mV CH2 200mA Ω M 20.0µs A CH2 CH4 5.00V 20.40% Figure 27. BUCK1 Response to Load Transient 3.3 V, ...
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INPUT VOLTAGE (V) Figure 33. PMOS RDS vs 3.45 3.40 3. 4.2V, +85° 4.2V, +25° ...
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ADP5034 60 5VIN 55 3.3VIN 0.001 0.01 0 (mA) LOAD Figure 39. LDO Output Noise vs. Load Current, Across Input Voltage 2.8 V OUT3 65 5VIN 60 3.3VIN 55 50 ...
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POWER DISSIPATION AND THERMAL CONSIDERATIONS The ADP5034 is a highly efficient μPMU, and, in most cases, the power dissipated in the device is not a concern. However, if the device operates at high ambient temperatures and maxi- mum loading condition, ...
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ADP5034 Switching losses are associated with the current drawn by the driver to turn on and turn off the power devices at the switching frequency. The amount of switching power loss is given ...
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THEORY OF OPERATION GM ERROR AVIN PWM COMP VIN1 I LIMIT PWM/ PSM CONTROL LOW BUCK1 CURRENT SW1 DRIVER AND ANTISHOOT THROUGH PGND1 EN1 ENBK1 ENABLE EN2 ENBK2 AND MODE ENLDO1 EN3 CONTROL EN4 ENLDO2 AVIN ADP5034 VIN3 POWER MANAGEMENT ...
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ADP5034 Thermal Protection In the event that the junction temperature rises above 150°C, the thermal shutdown circuit turns off all the regulators. Extreme junction temperatures can be the result of high current opera- tion, poor circuit board design, or high ...
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BUCK1 AND BUCK2 The buck uses a fixed frequency and high speed current mode architecture. The buck operates with an input voltage of 2 5.5 V. The buck output voltage is set through external resistor dividers, shown in ...
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ADP5034 the input conditions change again and the required duty cycle falls, the buck immediately restarts PWM regulation without allowing overshoot on the output voltage. Active Pull-Downs All regulators have optional, factory programmable, active pull- down resistors discharging the respective ...
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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 1. Feedback Resistors For the adjustable ...
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ADP5034 The peak-to-peak output voltage ripple for the selected output capacitor and inductor values is calculated using the following equation π RIPPLE × × × × OUT Capacitors ...
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LDO EXTERNAL COMPONENT SELECTION Feedback Resistors For the adjustable model, the maximum value not to exceed 200 kΩ (see Figure 48). Output Capacitor The ADP5034 LDOs are designed for operation with small, space- saving ceramic capacitors, but ...
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ADP5034 PCB LAYOUT GUIDELINES Poor layout can affect ADP5034 performance, causing electro- magnetic interference (EMI) and electromagnetic compatibility (EMC) problems, ground bounce, and voltage losses. Poor layout can also affect regulation and stability. A good layout is implemented using the ...
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TYPICAL APPLICATION SCHEMATICS 2.3V TO 5.5V 1.7V TO 5.5V 2.3V TO 5.5V 1.7V TO 5.5V AVIN HOUSEKEEPING C AVIN VOUT1 0.1µF VIN1 SW1 C1 FB1 BUCK1 4.7µF ON PGND1 EN1 EN1 OFF MODE MODE VOUT2 VIN2 MODE SW2 C2 4.7µF ...
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ADP5034 BILL OF MATERIALS Table 12. Reference Value C 0.1 μF, X5R, 6.3 V AVIN C3, C4, C7 μF, X5R, 6.3 V C1, C2 4.7 μF, X5R, 6 μF, X5R, 6.3 V L1, L2 ...
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... ORDERING GUIDE Temperature 1 Model Range ADP5034ACPZ-R7 −40°C to +125°C ADP5034ACPZ-1-R7 −40°C to +125°C ADP5034-1-EVALZ RoHS Compliant Part. 2 For additional options, contact a local sales or distribution representative. BUCK1 and BUCK2: 3.3 V, 3.0 V, 2.8 V, 2.5 V, 2.3 V, 2.0 V, 1.82 V, 1.8 V, 1.6 V, 1.5 V, 1.3 V, 1.2 V, 1.1 V, 1.0 V, 0 adjustable. ...
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ADP5034 NOTES ©2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D09703-0-6/11(0) Rev Page ...