Datasheet RHK3845MKDICE (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Radiation Hardened High Voltage Synchronous Step-Down Regulator Kit with Power NMOS FETs |
| Pages / Page | 14 / 3 — t able 1: Dice/DWF electrical test liMits Specifications are at TA = … |
| File Format / Size | PDF / 225 Kb |
| Document Language | English |
t able 1: Dice/DWF electrical test liMits Specifications are at TA = 25°C, VIN = 20V,
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DICE/DWF SPECIFICATION RH3845MKDICE
t able 1: Dice/DWF electrical test liMits Specifications are at TA = 25°C, VIN = 20V, VCC = BOOST = 10V, SHDN = 2V, RSET = 49.9k, SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V. PARAMETER CONDITIONS MIN MAX UNITS
VIN Minimum Start Voltage (Note 2) 7.5 V VIN UVLO Threshold (Falling) 3.6 4.0 V VIN Supply Current VCC > 9V 200 μA VIN Shutdown Current VSHDN = 0.3V 100 μA BOOST Supply Current (Note 3) 2 mA VCC Supply Current 4.5 mA SHDN Enable Threshold (Rising) 1.30 1.40 V Reference Voltage 1.214 1.250 V VFB Input Bias Current ±100 nA VFB Error Amp Transconductance 350 µS Error Amp Sink/Source Current 35 µA MODE Pin Current (Note 4) 2 µA Peak Current Limit Sense Voltage 90 120 mV Soft-Start Charge Current 8 14 µA Sense Pins Common-Mode Range 0 36 V Sense Pins Input Current VSENSE(CM) > 4V 400 µA Reverse Protect Sense Voltage VMODE = 7.5V 120 mV Reverse Current Sense Voltage Offset VMODE = VFB 20 mV Switching Frequency RT = 49.9k 270 360 kHz Programmable Frequency Range 100 500 kHz 3 Document Outline Description Typical Application Description absolute Maximum Ratings Dice Pinout Table 1: Dice/DWF Electrical Test Limits Table 2: Electrical Characteristics Table 3: Electrical Characteristics Table 4: Electrical Test Requirements Total Dose Bias Circuit — Run Mode Total Dose Bias Circuit — Shutdown Mode Burn-in Circuit — run mode Typical Performance characteristics DESCRIPTION ABSOLUTE MAXIMUM RATINGS TABLE 1 Dice/DWF Electrical Test Limits TABLE 2 Electrical Characteristics TABLE 3 Electrical Characteristics Table 5. Electrical Test Requirements Total Dose Bias Circuit Burn-In Circuit Typical Performance Characteristics preirradiation Typical Performance Characteristics Post-irradiation Revision History
t able 1: Dice/DWF electrical test liMits Specifications are at TA = 25°C, VIN = 20V, VCC = BOOST = 10V, SHDN = 2V, RSET = 49.9k, SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V. PARAMETER CONDITIONS MIN MAX UNITS
VIN Minimum Start Voltage (Note 2) 7.5 V VIN UVLO Threshold (Falling) 3.6 4.0 V VIN Supply Current VCC > 9V 200 μA VIN Shutdown Current VSHDN = 0.3V 100 μA BOOST Supply Current (Note 3) 2 mA VCC Supply Current 4.5 mA SHDN Enable Threshold (Rising) 1.30 1.40 V Reference Voltage 1.214 1.250 V VFB Input Bias Current ±100 nA VFB Error Amp Transconductance 350 µS Error Amp Sink/Source Current 35 µA MODE Pin Current (Note 4) 2 µA Peak Current Limit Sense Voltage 90 120 mV Soft-Start Charge Current 8 14 µA Sense Pins Common-Mode Range 0 36 V Sense Pins Input Current VSENSE(CM) > 4V 400 µA Reverse Protect Sense Voltage VMODE = 7.5V 120 mV Reverse Current Sense Voltage Offset VMODE = VFB 20 mV Switching Frequency RT = 49.9k 270 360 kHz Programmable Frequency Range 100 500 kHz 3 Document Outline Description Typical Application Description absolute Maximum Ratings Dice Pinout Table 1: Dice/DWF Electrical Test Limits Table 2: Electrical Characteristics Table 3: Electrical Characteristics Table 4: Electrical Test Requirements Total Dose Bias Circuit — Run Mode Total Dose Bias Circuit — Shutdown Mode Burn-in Circuit — run mode Typical Performance characteristics DESCRIPTION ABSOLUTE MAXIMUM RATINGS TABLE 1 Dice/DWF Electrical Test Limits TABLE 2 Electrical Characteristics TABLE 3 Electrical Characteristics Table 5. Electrical Test Requirements Total Dose Bias Circuit Burn-In Circuit Typical Performance Characteristics preirradiation Typical Performance Characteristics Post-irradiation Revision History
