MAX5094A/B/C/D/MAX5095A/B/C
High-Performance, Single-Ended, Current-Mode
PWM Controllers
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Typical Operating Characteristics (continued)
(V
CC
= 15V, T
A
= +25°C, unless otherwise noted.)
Pin Descriptions
PIN NAME FUNCTION
1 COMP Error-Amplifier Output. COMP can be used for soft-start.
2 FB Error-Amplifier Inverting Input
3CS
PWM Comparator and Overcurrent Protection Comparator Input. The current-sense signal is
compared to a signal proportional to the error-amplifier output voltage.
4R
T
/C
T
Timing Resistor/Capacitor Connection. A resistor R
T
from R
T
/C
T
to REF and capacitor C
T
from R
T
/C
T
to GND set the oscillator frequency.
5 GND
Power-Supply Ground. Place the V
CC
and REF bypass capacitors close to the IC to minimize ground
loops.
6 OUT MOSFET Driver Output. OUT connects to the gate of the external n-channel MOSFET.
7V
CC
Power-Supply Input. Bypass V
CC
to GND with a 0.1µF ceramic capacitor or a parallel combination of
a 0.1µF and a higher value ceramic capacitor.
8 REF
5V Reference Output. Bypass REF to GND with a 0.1µF ceramic capacitor or a parallel combination
of a 0.1µF and a higher value ceramic capacitor no larger then 4.7µF.