LTM4642IY Ver la hoja de datos (PDF) - Linear Technology
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LTM4642IY Datasheet PDF : 32 Pages
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LTM4642
Pin Functions
RUN1, RUN2 (G3, B3): Run Control Pins. A source can
be used to enable the RUN pins with an external pull-up
resistor. Forcing either of these pins below 1.2V will shut
down the corresponding outputs. An additional 5µA pull-
up current is added to this pin, once the RUN pin rises
above 1.2V. Also, active control or pull-up resistors can
be used to enable the RUN pin. The maximum voltage is
6V on these pins. There are 100k resistors on RUN1,2
to ground. It is recommended to use an external pull-up
resistor to VIN to enable the RUN pin. See the Applications
Information section.
VRNG1 (G4): Used at Final Test. Tie to INTVCC in normal
operation. This pin can also be used to adjust the current
limit of channel 1. An external resistive divider from INTVCC
can be used to set the voltage on the VRNG pin between
0.6V to 1V, resulting in a maximum sense voltage between
30mV and 50mV. For applications that require less than
7A of the default peak current limit, the VRNG pin voltage
can be scaled down to obtain a desired current limit level.
VIN1 (G5, G6, 67), VIN2 (B5, B6, B7): Power Input Pins.
Apply input voltage between these pins and GND pins.
Recommend placing input decoupling capacitance directly
between VIN pins and GND pins.
VOUT1 (F1, G1, G2, H1, H2), VOUT2 (A1, A2, B1, B2, C1):
Power Output Pins. Apply output load between these pins
and PGND pins. Recommend placing output decoupling
capacitance directly between these pins and PGND pins.
SW1, SW2 (H3, A3): Switching Test Pins. These pins
are provided externally to check the operation frequency.
For more information www.linear.com/LTM4642
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