MAX5094DAUA-T Maxim Integrated Products, MAX5094DAUA-T Datasheet - Page 10
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MAX5094DAUA-T
Manufacturer Part Number
MAX5094DAUA-T
Description
Current Mode PWM Controllers Single-Ended
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5094AAUA.pdf
(22 pages)
High-Performance, Single-Ended, Current-Mode
PWM Controllers
MAX5095_
10
MAX5095A/
MAX5095B
______________________________________________________________________________________
—
1
2
3
4
5
6
7
8
PIN
MAX5095C
—
1
2
3
4
5
6
7
8
ADV_CLK
NAME
COMP
SYNC
R
GND
OUT
V
REF
CS
T
CC
/C
T
Current Limit/PWM Comparator Input. COMP is level-shifted and connected to the
inverting input of the PWM comparator. Pull up COMP to REF through a resistor and
connect an optocoupler from COMP to GND for proper operation.
Bidirectional Synchronization Input. When synchronizing with other
MAX5095A/MAX5095Bs, the higher frequency part synchronizes all other devices.
Advance Clock Output. ADV_CLK is an 85ns clock output pulse preceding the rising
edge of OUT (see Figure 4). Use the pulse to drive the secondary-side synchronous
rectifiers through a pulse transformer or an optocoupler (see Figure 8).
PWM Comparator/Overcurrent Protection Comparator Input. The current-sense signal is
compared to the level shifted voltage at COMP.
Timing Resistor/Capacitor Connection. A resistor R
from R
Power-Supply Ground. Place the V
minimize ground loops.
MOSFET Driver Output. OUT connects to the gate of the external n-channel MOSFET.
Power-Supply Input. Bypass V
combination of a 0.1µF and a higher value ceramic capacitor.
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 than 4.7µF.
T
/C
T
to GND set the oscillator frequency.
CC
to GND with a 0.1µF ceramic capacitor or a parallel
CC
Pin Descriptions (continued)
and REF bypass capacitors close to the IC to
FUNCTION
T
from R
T
/C
T
to REF and capacitor C
T