Datasheet ADP1031 (Analog Devices) - 38

ADP1031 Data Sheet OUTLINE DIMENSIONS 9.10 2.15 1.72 3.88 9.00 MIN PIN 1 1.62 3.78 0.35 INDICATOR 8.90 1.52 3.68 0.30 AREA 0.25 31 41 0.50 30 1 1.46 BSC * * EXPOSED EXPOSED PAD PAD 1.36 7.10 1.26 2.15 7.00 MIN 6.90 2.75 2.14 BSC *EXPOSED PAD 2.04 1.94 24 7 23 8 TOP VIEW 0.45 BOTTOM VIEW 0.40 3.75 0.435 7.70 BSC 0.35 0.385 1.00 (Pins 8-41) 7.60 0.335 0.95 SIDE VIEW 7.50 (Pins 1-7) 0.90 0.05 MAX 0.02 NOM COPLANARITY *FOR PROPER CONNECTION OF SEATING 0.30 0.08 THE EXPOSED PAD, REFER TO PLANE 0.25 0.203 REF THE PIN CONFIGURATION AND D 0.20 FUNCTION DESCRIPTIONS SECTION OF THIS DATA SHEET. 2019- -005383 05- PKG 09-
Figure 78. 41-Lead Lead Frame Chip Scale Package [LFCSP] 9 mm × 7 mm Body and 0.95 mm Package Height (CP-41-1) Dimensions shown in millimeters
ORDERING GUIDE Temperature Package Model1 VOUT12 VOUT2 VOUT3 Range Package Description Option
ADP1031ACPZ-1-R7 Adjustable 5.15 V Adjustable −40°C to +125°C 41-Lead LFCSP CP-41-1 ADP1031ACPZ-2-R7 Adjustable 5 V Adjustable −40°C to +125°C 41-Lead LFCSP CP-41-1 ADP1031ACPZ-3-R7 Adjustable 3.3 V Adjustable −40°C to +125°C 41-Lead LFCSP CP-41-1 ADP1031ACPZ-4-R7 24 V 5.15 V Adjustable −40°C to +125°C 41-Lead LFCSP CP-41-1 ADP1031ACPZ-5-R7 21 V 5.15 V Adjustable −40°C to +125°C 41-Lead LFCSP CP-41-1 ADP1031CP-1-EVALZ Adjustable 5.15 V Adjustable Evaluation Board for the ADP1031ACPZ-1 ADP1031CP-2-EVALZ Adjustable 5 V Adjustable Evaluation Board for the ADP1031ACPZ-2 ADP1031CP-3-EVALZ Adjustable 3.3 V Adjustable Evaluation Board for the ADP1031ACPZ-3 ADP1031CP-4-EVALZ 24 V 5.15 V Adjustable Evaluation Board for the ADP1031ACPZ-4 ADP1031CP-5-EVALZ 21 V 5.15 V Adjustable Evaluation Board for the ADP1031ACPZ-5 1 Z = RoHS Compliant Part. 2 For other VOUT1 voltage options, contact Analog Devices local sales representatives for additional information.
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Rev. A | Page 38 of 38 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT COMPANION PRODUCTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS REGULATORY INFORMATION ELECTROMAGNECTIC COMPATIBILITY INSULATION AND SAFETY RELATED SPECIFICATIONS DIN V VDE 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION FLYBACK REGULATOR Flyback Regulator Operation Power Saving Mode (PSM) Flyback Undervoltage Lockout (UVLO) Flyback Regulator Precision Enable Control Flyback Regulator Soft Start Flyback Slew Rate Control Flyback Regulator Overcurrent Protection Flyback Regulator Overvoltage Protection BUCK REGULATOR Buck Regulator Operation Buck Regulator UVLO Buck Regulator Soft Start Buck Regulator Current-Limit Protection Buck Regulator OVP Buck Regulator Active Pull-Down Resistor INVERTING REGULATOR Inverting Regulator Operation Inverting Regulator UVLO Inverting Regulator Soft Start Inverting Regulator Current-Limit Protection Inverting Regulator OVP Inverting Regulator Active Pull-Down Resistor POWER GOOD POWER-UP SEQUENCE OSCILLATOR AND SYNCHRONIZATION THERMAL SHUTDOWN DATA ISOLATION High Speed SPI Channels GPIO Data Channels APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors Capacitor Selection FLYBACK REGULATOR COMPONENTS SELECTION Input Capacitor Output Capacitor Ripple Current vs. Capacitor Value Schottky Diode Transformer Turn Ratio Primary Inductance Flyback Transformer Saturation Current Series Winding Resistance Leakage Inductance and Clamping Circuits Clamping Resistor Clamping Capacitor Clamping Diode Diode Zener Diode Clamp Ripple Current (IAC) vs. Inductance Maximum Output Current Calculation BUCK REGULATOR COMPONENTS SELECTION Inductor Output Capacitor INVERTING REGULATOR COMPONENT SELECTION Inductor Output Capacitor Inverting Regulator Stability INSULATION LIFETIME Surface Tracking Insulation Wear Out Calculation and Use of Parameters Example THERMAL ANALYSIS TYPICAL APPLICATION CIRCUIT PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE