DC1886A Analog Devices

DEMO MANUAL DC1886A LTC4232: 5A Integrated Hot Swap Controller Description Demonstration circuit 1886A features the LTC4232 5A Programmable output voltage ramp rate Integrated Hot Swap Controller. The LTC4232 is ideally Configurable for auto-retr y or latchoff on overcurrent suited for demanding power distribution control in 2.9V faults to 15V applications for hot board insertion protection, Power good and fault outputs high side power switching, and electronic circuit breaker functions. The LTC4232 provides a rich set of features to Available in a 16-lead 5mm 3mm DFN package, the support Hot Swap applications including: LTC4232 is showcased on demonstration circuit 1886A, configured for a 12V application. By changing a few pas- 2% accurate under voltage and over voltage protection sive components, 2.9V to 15V applications can easily be Overtemperature protection evaluated. Adjustable inrush current control Design files for this circuit board are available at Adjustable, 10% accurate current limit with program- DEMO MANUAL DC1886A Quick s tart p D Demonstration circuit 1886A is easy to set up to evalu- Demonstration Circuit 1886A has two user configurable ate the performance of the LTC4232. Refer to Figure 1 jumper options: for proper measurement equipment setup and follow the JP1 TIMER DURATION: Set to 2ms for the internal 2ms procedure below. timer or 12ms determined by C1. C1 may be replaced for other timer durations. (Default position: 12ms) JP2 AUTORETRY: Set to ON for auto-retr y or OFF for latchoff on overcurrent faults. (Default position: OFF) ADJ POWER SUPPLY + + + + TEST LOADS Figure 1. Proper Measurement Equipment Setup dc1886af 2 ure roce