Datasheet RH3845MK (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Radiation Hardened High Voltage Synchronous Step-Down Controller |
| Pages / Page | 8 / 6 — TOTAL DOSE BIAS CIRCUIT — RUN MODE. TOTAL DOSE BIAS CIRCUIT — SHUTDOWN … |
| File Format / Size | PDF / 263 Kb |
| Document Language | English |
TOTAL DOSE BIAS CIRCUIT — RUN MODE. TOTAL DOSE BIAS CIRCUIT — SHUTDOWN MODE. BURN-IN CIRCUIT—RUN MODE
Model Line for this Datasheet
Text Version of Document
RH3845MW
TOTAL DOSE BIAS CIRCUIT — RUN MODE
R5 1k VIN BOOST R8 R6 750Ω 200k R1 SHDN TG 30V 4.99k SW 3V C R9 SS RH3845MW 750Ω R2 0.1µF VFB SENSE+ 8.82k 20V 0.1µF SENSE– R3 SYNC R10 750Ω 1k VC VCC 10V R7 f R11 SET 200k BG 1.24k + RSET PGND 5V GND + – 49.9k – 40V RH3845MW TA02
TOTAL DOSE BIAS CIRCUIT — SHUTDOWN MODE
R4 1k VIN BOOST R7 R5 10k 200k R1 SHDN TG 30V 2k SW 2.5V C R8 SS RH3845MW 10k R2 0.1µF VFB SENSE+ 2.49k 20V 0.1µF SENSE– SYNC R9 10k VC VCC 10V R6 f R10 SET 200k BG 10k + RSET PGND 5V GND + – 49.9k – 40V RH3845MW TA03
BURN-IN CIRCUIT—RUN MODE
1k 1k GND V 1W IN 1k BOOST 100Ω SHDN 200k 499Ω TG 10V CSS SW 1W RH3845MK 10V VFB 40V 1W SENSE+ 10V fSET SENSE– 1W 1k 10V SYNC 20V 1W VC VCC + 200k 10V 3.3V 1k 1W + – BG – 70V GND PGND 10V 10µF 1µF GND GND 1W 10V 150V RH3845MW TA04 Rev. 0 6 For more information www.analog.com Document Outline Description Typical Application Absolute Maximum Ratings Package Information Table 1: Electrical characteristics Table 2: Electrical characteristics Electrical Characteristics: Burn-In Delta Parameters Electrical Test Requirements Total Dose Bias Circuit — Run Mode Total Dose Bias Circuit — Shutdown Mode Burn-In Circuit—Run Mode Package Description Typical Performance Characteristics
TOTAL DOSE BIAS CIRCUIT — RUN MODE
R5 1k VIN BOOST R8 R6 750Ω 200k R1 SHDN TG 30V 4.99k SW 3V C R9 SS RH3845MW 750Ω R2 0.1µF VFB SENSE+ 8.82k 20V 0.1µF SENSE– R3 SYNC R10 750Ω 1k VC VCC 10V R7 f R11 SET 200k BG 1.24k + RSET PGND 5V GND + – 49.9k – 40V RH3845MW TA02
TOTAL DOSE BIAS CIRCUIT — SHUTDOWN MODE
R4 1k VIN BOOST R7 R5 10k 200k R1 SHDN TG 30V 2k SW 2.5V C R8 SS RH3845MW 10k R2 0.1µF VFB SENSE+ 2.49k 20V 0.1µF SENSE– SYNC R9 10k VC VCC 10V R6 f R10 SET 200k BG 10k + RSET PGND 5V GND + – 49.9k – 40V RH3845MW TA03
BURN-IN CIRCUIT—RUN MODE
1k 1k GND V 1W IN 1k BOOST 100Ω SHDN 200k 499Ω TG 10V CSS SW 1W RH3845MK 10V VFB 40V 1W SENSE+ 10V fSET SENSE– 1W 1k 10V SYNC 20V 1W VC VCC + 200k 10V 3.3V 1k 1W + – BG – 70V GND PGND 10V 10µF 1µF GND GND 1W 10V 150V RH3845MW TA04 Rev. 0 6 For more information www.analog.com Document Outline Description Typical Application Absolute Maximum Ratings Package Information Table 1: Electrical characteristics Table 2: Electrical characteristics Electrical Characteristics: Burn-In Delta Parameters Electrical Test Requirements Total Dose Bias Circuit — Run Mode Total Dose Bias Circuit — Shutdown Mode Burn-In Circuit—Run Mode Package Description Typical Performance Characteristics
