TOP257PN View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
Manufacturer
TOP257PN Datasheet PDF : 50 Pages
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TOP252-262
Parameter
Conditions
Symbol
SOURCE = 0 V; TJ = -40 to 125 °C
Min
(Unless Otherwise Specified)
Control Functions (cont.)
TOP252-255
1.0
External Bias Current
IB
132 kHz Operation
TOP256-258
1.3
TOP259-262
1.6
TOP252-255
66 kHz Operation
TOP256-258
CONTROL Current at
0% Duty Cycle
IC(OFF)
TOP259-262
TOP252-255
132 kHz Operation
TOP256-258
TOP259-262
Dynamic Impedance
ZC
Dynamic Impedance
Temperature Drift
IC = 4 mA; TJ = 25 °C, See Figure 52
10
CONTROL Pin Internal
Filter Pole
Upper Peak Current to
Set Current Limit Ratio
kPS(UPPER)
TJ = 25 °C
See Note B
50
Lower Peak Current to
Set Current Limit Ratio
kPS(LOWER)
TJ = 25 °C
See Note B
Multi-Cycle-
Modulation Switching
Frequency
fMCM(MIN)
TJ = 25 °C
Minimum Multi-Cycle-
Modulation On Period
TMCM(MIN)
TJ = 25 °C
Shutdown/Auto-Restart
Control Pin
Charging Current
IC(CH)
TJ = 25 °C
VC = 0 V
-5.0
VC = 5 V
-3.0
Charging Current
Temperature Drift
See Note A
Auto-Restart
Upper Threshold
Voltage
VC(AR)U
Auto-Restart Lower
Threshold Voltage
VC(AR)L
4.5
Multi-Function (M), Voltage Monitor (V) and External Current Limit (X) Inputs
Auto-Restart
Hysteresis Voltage
VC(AR)hyst
0.8
Auto-Restart Duty
Cycle
DC(AR)
Auto-Restart
Frequency
f(AR)
Line Undervoltage
Threshold Current and
IUV
Hysteresis (M or V Pin)
TJ = 25 °C
Threshold
22
Hysteresis
Line Overvoltage
Threshold Current and
IOV
Hysteresis (M or V Pin)
TJ = 25 °C
Threshold
107
Hysteresis
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Typ
1.6
1.9
2.2
4.4
4.7
5.1
4.6
5.1
6.0
18
0.18
7
55
25
30
135
-3.5
-1.8
0.5
5.8
4.8
1.0
2
0.5
25
14
112
4
Max Units
2.2
2.5
mA
2.9
5.8
6.1
6.5
mA
6.0
6.5
7.4
22
W
%/°C
kHz
60
%
%
kHz
ms
-1.0
mA
-0.6
%/°C
V
5.1
V
V
4
%
Hz
27
mA
mA
117
mA
mA
33
Rev. H 06/13
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