ZY2140 40A No-Bus POL Data Sheet
8V to 14V Input ? 0.5V to 3.65V Output
7.
Pin Assignments and Description
Pin
Name
OK
SYNC
PGOOD
CS
IM
CCA
MARGIN
EN
TRIM
-VS
+VS
VOUT
GND
VIN
Pin
Number
6
4
11
3
9
10
8
5
7
18
15
12, 13
2, 16, 17
1
Pin
Type
I/O
I/O
I/O
I/O
I
I
A
I
A
I
I
P
P
P
Buffer
Type
PU
PU
PU
PU
PU
PU
PU
A
A
Pin Description
Fault Status
Frequency Synchronization
Line
Power Good
Current Share/Sense
Master Mode
Compensation Coefficient
Address
Output Voltage Margining
Enable
Output Voltage Trim
Negative Voltage Sense
Positive Voltage Sense
Output Voltage
Power Ground
Input Voltage
Notes
Connect to OK pin of other Z- POLs. Leave
open, if not used
Connect to SYNC pin of other Z-POLs or to an
external clock generator
Connect to CS pin of other Z-POLs connected in
parallel
Tie to GND to make the POL the clock master or
leave open to synchronize to external clock
Tie to GND for 0 or leave open for 1
To program the output voltage, connect a
resistor between MARGIN and TRIM
POL is ON when the pin is high or floating. POL
is OFF when the pin is low or connected to GND
To program the output voltage, connect a
resistor between MARGIN and TRIM
Connect to the negative point close to the load
Connect to the positive point close to the load
Legend: I=input, O=output, I/O=input/output, P=power, A=analog, PU=internal pull-up
ZD-02014 Rev. BB2, 30-Jun-10
www.power-one.com
Page 11 of 14
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