ZY2140 40A No-Bus POL Data Sheet
8V to 14V Input ? 0.5V to 3.65V Output
4.3
Protection Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Overcurrent Protection
Type
Non-Latching, 130ms period
Threshold
140
%I OUT
Threshold Accuracy
-25
25
%I OCP.SET
Output Overvoltage Protection
Type
Latching
130
Threshold
Follows the output voltage setpoint
1
%V O.SET
Threshold Accuracy
Delay
Measured at V O.SET =2.5V
From instant when threshold is exceeded until
the turn-off command is generated
-2
6
2
%V OVP.SET
μ s
Output Undervoltage Protection
Type
Non-Latching, 130ms period
Threshold
Follows the output voltage setpoint
75
%V O.SET
Threshold Accuracy
Delay
Measured at V O.SET =2.5V
From instant when threshold is exceeded until
the turn-off command is generated
-2
6
2
%V UVP.SET
μ s
Overtemperature Protection
Type
Non-Latching, 130ms period
Turn Off Threshold
Turn On Threshold
Threshold Accuracy
Delay
Temperature is increasing
Temperature is decreasing after module was
shut down by OTP
From instant when threshold is exceeded until
the turn-off command is generated
-5
120
110
6
5
? C
? C
? C
μ s
Power Good Signal (PGOOD pin)
Logic
Lower Threshold
Upper Threshold
Delay
V OUT is inside the PG window and stable
V OUT is outside of the PG window or ramping
up/down
Follows the output voltage setpoint
Follows the output voltage setpoint
From instant when threshold is exceeded until
status of PG pin changes
High
Low
90
110
6
N/A
%V O.SET
%V O.SET
μ s
Threshold Accuracy
Measured at V O.SET =2.5V
-2
2
%V O.SET
___________________
1
Minimum OVP threshold is 1.0V
ZD-02014 Rev. BB2, 30-Jun-10
www.power-one.com
Page 4 of 14
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