TOP252-262
Conditions
Parameter
Symbol
SOURCE = 0 V; TJ = -40 to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
mA
Control Functions (cont.)
External Bias Current
TOP252-255
1.0
1.3
1.6
1.6
1.9
2.2
4.4
4.7
5.1
4.6
5.1
6.0
18
2.2
2.5
2.9
5.8
6.1
6.5
6.0
6.5
7.4
22
IB
132 kHz Operation
66 kHz Operation
132 kHz Operation
TOP256-258
TOP259-262
TOP252-255
TOP256-258
TOP259-262
TOP252-255
TOP256-258
TOP259-262
CONTROL Current at
0% Duty Cycle
IC(OFF)
mA
Dynamic Impedance
ZC
IC = 4 mA; TJ = 25 °C, See Figure 52
10
50
Ω
Dynamic Impedance
Temperature Drift
0.18
7
%/°C
CONTROL Pin Internal
Filter Pole
kHz
%
Upper Peak Current to
Set Current Limit Ratio
TJ = 25 °C
See Note B
kPS(UPPER)
kPS(LOWER)
55
25
60
Lower Peak Current to
Set Current Limit Ratio
TJ = 25 °C
See Note B
%
Multi-Cycle-
Modulation Switching
Frequency
fMCM(MIN)
TJ = 25 °C
TJ = 25 °C
30
kHz
Minimum Multi-Cycle-
Modulation On Period
TMCM(MIN)
135
μs
Shutdown/Auto-Restart
VC = 0 V
-5.0
-3.0
-3.5
-1.8
-1.0
-0.6
Control Pin
Charging Current
IC(CH)
TJ = 25 °C
mA
VC = 5 V
Charging Current
Temperature Drift
See Note A
0.5
5.8
4.8
%/°C
Auto-Restart
Upper Threshold
Voltage
VC(AR)U
V
V
Auto-Restart Lower
Threshold Voltage
VC(AR)L
4.5
0.8
5.1
Multi-Function (M), Voltage Monitor (V) and External Current Limit (X) Inputs
Auto-Restart
VC(AR)hyst
1.0
2
V
Hysteresis Voltage
Auto-Restart Duty
DC(AR)
4
%
Cycle
Auto-Restart
f(AR)
0.5
Hz
Frequency
Line Undervoltage
Threshold Current and
Hysteresis (M or V Pin)
Threshold
Hysteresis
Threshold
Hysteresis
22
25
14
112
4
27
μA
μA
μA
μA
IUV
TJ = 25 °C
TJ = 25 °C
Line Overvoltage
Threshold Current and
Hysteresis (M or V Pin)
107
117
IOV
33
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Rev. F 01/09
POWERINT [ Power Integrations ]
