Datasheet LTM4612 (Analog Devices) - 8

LTM4612
PIN FUNCTIONS VFB (Pin F12):
The Negative Input of the Error Ampli-
COMP (Pins A11, D11):
Current Control Threshold and fier. Internally, this pin is connected to VOUT with a 100k Error Amplifier Compensation Point. The current com- 0.5% precision resistor. Different output voltages can be parator threshold increases with this control voltage. The programmed with an additional resistor between the VFB voltage ranges from 0V to 2.4V with 0.7V corresponding and SGND pins. See the Applications Information section. to zero sense voltage (zero current).
MARG0 (Pin C12):
LSB Logic Input for the Margining
PGOOD (Pin G12):
Output Voltage Power Good Indicator. Function. Together with the MARG1 pin, the MARG0 pin Open-drain logic output that is pulled to ground when the will determine if a margin high, margin low, or no margin output voltage is not within ±10% of the regulation point, state is applied. The pin has an internal pull-down resistor after a 25µs power bad mask timer expires. of 50k. See the Applications Information section.
RUN (Pins A10, B9):
Run Control Pins. A voltage above
MARG1 (Pins C11, D12):
MSB Logic Input for the Margin- 1.9V will turn on the module, and below 1V will turn off ing Function. Together with the MARG0 pin, the MARG1 pin the module. A programmable UVLO function can be ac- will determine if a margin high, margin low, or no margin complished with a resistor from VIN to this pin that is has state is applied. The pins have an internal pull-down resistor a 5.1V zener to ground. Maximum pin voltage is 5V. of 50k. See the Applications Information section.
NC (Pins J12, K12, L12):
No Connect Pins. Leave floating.
SGND (Pins D9, H12):
Signal Ground Pins. These pins connect to PGND at output capacitor point. 4612fc 8 For more information www.linear.com/LTM4612 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts