Product Summary

The max1887eee-t step-down slave controller is intended for low-voltage, high-current, multiphase DC-to-DC applications. The max1887eee-t slave controller can be combined with any of Maxims Quick-PWM step-down controllers to form a multiphase DC-to-DC converter. Existing Quick-PWM controllers, such as the MAX1718, function as the master controller, providing accurate output voltage regulation, fast transient response, and fault protection features. Synchronized to the masters low-side gate driver, the max1887eee-t includes the Quick-PWM constant on-time controller, gate drivers for a synchronous rectifier, active current balancing, and precision current-limit circuitry.

Parametrics

max1887eee-t absolute maximum ratings: (1)V+ to GND: -0.3V to +30V; (2)VCC, VDD to GND: -0.3V to +6V; (3)PGND to GND: ±0.3V; (4)TRIG, LIMIT to GND: -0.3V to +6V; (5)ILIM, CM+, CM-, CS+, CS-, COMP to GND: -0.3V to (VCC + 0.3V); (6)DL to PGND: -0.3V to (VDD + 0.3V); (7)BST to GND: -0.3V to +36V; (8)DH to LX: -0.3V to (VBST + 0.3V); (9)LX to BST: -6V to +0.3V; (10)Operating Temperature Range: -40°C to +85°C; (11)Junction Temperature: +150°C; (12)Storage Temperature Range: -65°C to +150°C; (13)Lead Temperature (soldering, 10s): +300°C; (14)Continuous Power Dissipation (TA = +70°C)16-Pin QSOP: 667mW.

Features

max1887eee-t features: (1)Package Type: 16-Lead QSOP; (2)Dimensions: 86 x 91 mils; (3)Observed Outgoing Defect Rate: < 50 ppm.

Diagrams

max1887eee-t pin connection

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