Datasheet ADuM4138 (Analog Devices) - 6

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ADuM4138 Data Sheet Parameter Symbol Min Typ Max Unit Test Conditions/Comments
Pulse-Width Modulation (PWM) Output Frequency fPWM 9.20 10 10.80 kHz PWM_OSC = 0, TSx = 2.2 V 46 50 54 kHz PWM_OSC = 1, TSx = 2.2 V PWM Duty Cycle TSx = 2.45 V 7.50 10 11.3 % PWM_OSC = 0 TSx = 2.25 V 26 28 29.5 % PWM_OSC = 0 TSx = 1.55 V 90.2 92 93.3 % PWM_OSC = 0 TSx = 2.45 V 7.5 10 11.5 % PWM_OSC = 1 TSx = 2.25 V 26 28 29.6 % PWM_OSC = 1 TSx = 1.55 V 90.1 92 93.3 % PWM_OSC = 1 Overtemperature Detect Delay Time tDOT 0.80 1 1.2 ms Fault Delay Time tDOT_FLT 530 735 940 ns Detection Voltage Rising VOT_0_R 1.62 1.69 1.73 V OT_FAULT_SEL = 0 VOT_1_R 1.63 1.73 1.81 V OT_FAULT_SEL = 1 Falling VOT_0_F 1.57 1.65 1.70 V OT_FAULT_SEL = 0 VOT_1_F 1.59 1.69 1.78 V OT_FAULT_SEL = 1 Low Temperature Threshold Rising VLOW_T_R 2.35 2.4 2.45 V TS1 pin voltage Falling VLOW_T_F 2.31 2.36 2.41 V TS1 pin voltage TEMP_OUT Resistance Pull-Down RTEMP_N 11.3 20 Ω TEMP_OUT current (ITEMP_OUT) = 5 mA Pull-Up RTEMP_P 13.7 23 Ω ITEMP_OUT = 5 mA Miller Clamp Voltage Threshold VMILLER 1.9 2 2.1 V Referenced to GND2 Internal Turn Off NFET On Resistance RDSON_N 0.5 1 Ω VOUT_OFF current (IVOUT_OFF) = 0.5 A, VDD1 = 6 V, VDD2 = 12 V On Resistance 2 Level RDSON_N_2LEV 1.8 4 Ω IVOUT_OFF = 0.1 A, VDD1 = 6 V, VDD2 = 12 V Internal Turn On PFET On Resistance RDSON_P 0.6 1.2 Ω VOUT_ON current (IVOUT_ON) = 0.5 A, VDD1 = 6 V, VDD2 = 12 V On Resistance 2 Level RDSON_P_2LEV 2.0 4 Ω IVOUT_ON = 0.1 A, VDD1 = 6 V, VDD2 = 12 V Miller Pull-Down NFET RDSON_MILLER 4.2 10 Ω Miller current (IMILLER) = 10 mA VOFF_SOFT RDSON RDSON_SOFT_OFF 15 36 Ω VOFF_SOFT current (IOFF_SOFT) = 10 mA Peak Current IPEAKIP 6 A VDD2 = 15 V, 2 Ω external resistance Two-Level Plateau Voltage V2LEV 11.30 11.90 12.50 V CURRENT LIMIT Set Current II_SENSE 18 20 22 µA ISENSE = 0.5 V Internal Current-Limit Reference VI_SENSE 480 500 520 mV Rising edge Current-Limit Blanking Time tCL_BLANK 120 145 180 ns SWITCHING SPECIFICATIONS Pulse Width1 PW 74 ns No load, Miller clamp open Propagation Delay Rising2 tDLH 71 95 130 ns No load, Miller clamp open Falling2 tDHL 79 100 121 ns No load, Miller clamp open 1 The minimum pulse width is the shortest pulse width at which the specified timing parameter is guaranteed. 2 tDLH propagation delay is measured from the time of the input rising logic high threshold, VIH, to the output rising 0% level of the VOUT_ON or VOUT_OFF signal. tDHL propagation delay is measured from the input falling logic low threshold, VIL, to the output falling 90% threshold of the VOUT_ON or VOUT_OFF signal. See Figure 13 for waveforms of propagation delay parameters. Rev. 0 | Page 6 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ELECTRICAL CHARACTERISTICS SPI TIMING SPECIFICATIONS SPI Timing Diagram PACKAGE CHARACTERISTICS REGULATORY INFORMATION (PENDING) INSULATION AND SAFETY-RELATED SPECIFICATIONS DIN V VDE V 0884-10 (VDE V 0884-10):2016-12 INSULATION CHARACTERISTICS (PENDING) RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION PCB LAYOUT ISOLATED FLYBACK CONTROLLER SPI AND EEPROM OPERATION SPI Programming USER REGISTER MAP USER REGISTER BITS OFFSET_2[5:0] Bits GAIN_2[5:0] Bits OFFSET_1[5:0] Bits GAIN_1[5:0] Bits CONFIGURATION REGISTER BITS OT_FAULT_OP Bit OT_FAULT_SEL Bit OC_TIME_OP Bit OC_2LEV_OP Bits LOW_T_OP Bit OC_BLANK_OP Bit tBLANK[3:0] Bits ECC_OFF_OP Bit FLYBACK_V[3:0] Bits T_RAMP_OP Bit PWM_OSC Bit CONTROL REGISTER BITS ECC2_DBL_ERR Bit ECC2_SNG_ERR Bit ECC1_DBL_ERR Bit ECC1_SNG_ERR Bit PROG_BUSY Bit SIM_TRIM Bit PROPAGATION DELAY RELATED PARAMETERS PROTECTION FEATURES Primary Side UVLO Fault Reporting Overcurrent Detection High Speed, Two-Level, Turn Off Miller Clamp Desaturation Detection Thermal Shutdown Isolated Temperature Sensor POWER DISSIPATION INSULATION LIFETIME DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY TYPICAL APPLICATION CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS