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TOP254PN Datasheet(PDF) 34 Page - Power Integrations, Inc.

Part No. TOP254PN
Description  Enhanced EcoSmart®, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
Download  48 Pages
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TOP254PN Datasheet(HTML) 34 Page - Power Integrations, Inc.

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Rev. F 01/09
34
TOP252-262
www.powerint.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Multi-Function (M), Voltage Monitor (V) and External Current Limit (X) Inputs
Output Overvoltage
Latching Shutdown
Threshold Current
I
OV(LS)
T
J = 25 °C
269
336
403
μA
V or M Pin Reset Voltage
V
V(TH) or
V
M(TH)
T
J = 25 °C
0.8
1.0
1.6
V
Remote ON/OFF
Negative Threshold
Current and Hysteresis
(M or X Pin)
I
REM (N)
T
J = 25 °C
Threshold
-35
-27
-20
μA
Hysteresis
5
V or M Pin Short Circuit
Current
I
V(SC) or
I
M(SC)
T
J = 25 °C
V
V, VM = VC
300
400
500
μA
X or M Pin Short Circuit
Current
I
X(SC) or
I
M(SC)
V
X, VM = 0 V
Normal Mode
-260
-200
-140
μA
Auto-Restart Mode
-95
-75
-55
V or M Pin Voltage
(Positive Current)
V
V or VM
I
V or IM = IUV
2.10
2.8
3.20
V
I
V or IM = IOV
TOP252-TOP257
2.79
3.0
3.21
TOP258-TOP262
2.83
3.0
3.25
V or M Pin Voltage
Hysteresis (Positive
Current)
V
V(hyst) or
V
M(hyst)
I
V or IM = IOV
0.2
0.5
V
X or M Pin Voltage
(Negative Current)
V
X or VM
I
X or IM = -50 μA
1.23
1.30
1.37
V
I
X or IM = -150 μA
1.15
1.22
1.29
Maximum Duty Cycle
Reduction Onset
Threshold Current
I
V(DC) or
I
M(DC)
I
C ≥ IB, TJ = 25 °C
18.9
22.0
24.2
μA
Maximum Duty Cycle
Reduction Slope
T
J = 25 °C
I
V(DC) < IV <48 μA or
I
M(DC) < IM <48 μA
-1.0
%/
μA
I
V or IM ≥48 μA
-0.25
Remote OFF DRAIN
Supply Current
I
D(RMT)
V
DRAIN = 150 V
X, V or M Pin
Floating
0.6
1.0
mA
V or M Pin Shorted to
CONTROL
1.0
1.6
Remote ON Delay
t
R(ON)
From Remote ON to Drain
Turn-On
See Note B
66 kHz
3.0
μs
132 kHz
1.5
Remote OFF Setup Time
t
R(OFF)
Minimum Time Before Drain
Turn-On to Disable Cycle
See Note B
66 kHz
3.0
μs
132 kHz
1.5
Frequency Input
FREQUENCY Pin
Threshold Voltage
V
F
See Note B
2.9
V
FREQUENCY Pin Input
Current
I
F
T
J = 25 °C
V
F = VC
10
55
90
μA


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