top267vg-tl Power Integrations, Inc., top267vg-tl Datasheet - Page 24

• Manufacturer Part Number: top267vg-tl
• Description: Integrated Off-line Switcher With Ecosmart Technology For Highly Effcient Power Supplies
• Manufacturer: Power Integrations, Inc.

Rev. B 03/10
Control Functions (cont.)
External Bias Current
CONTROL Current at
0% Duty Cycle
Dynamic Impedance
Dynamic Impedance
Temperature Drift
CONTROL Pin Internal
Filter Pole
Upper Peak Current to
Set Current Limit Ratio
Lower Peak Current to
Set Current Limit Ratio
Multi-Cycle-
Modulation Switching
Frequency
Minimum Multi-Cycle-
Modulation On Period
Shutdown/Auto-Restart
CONTROL Pin
Charging Current
Charging Current
Temperature Drift
Auto-Restart
Upper Threshold
Voltage
Auto-Restart Lower
Threshold Voltage
Voltage Monitor (V) and External Current Limit (X) Inputs
Auto-Restart
Hysteresis Voltage
Auto-Restart Duty
Cycle
Auto-Restart
Frequency
Line Undervoltage
Threshold Current and
Hysteresis (V Pin)
Line Overvoltage
Threshold Current and
Hysteresis (V Pin)
24
Parameter
TOP264-271
Symbol
k
k
T
f
V
PS(LOWER)
MCM(MIN)
V
DC
PS(UPPER)
V
MCM(MIN)
I
C(AR)hyst
I
C(OFF)
C(CH)
C(AR)U
f
C(AR)L
Z
I
I
(AR)
I
UV
OV
B
C
(AR)
132 kHz Operation
132 kHz Operation
66 kHz Operation
I
C
SOURCE = 0 V; T
= 2.5 mA; T
T
T
T
J
J
J
(Unless Otherwise Specified)
= 25 °C
= 25 °C
= 25 °C
Conditions
See Note C
See Note C
See Note B
J
T
T
T
T
J
J
J
J
= 25 °C, See Figure 31
= 25 °C
= 25 °C
= 25 °C
= 25 °C
J
= -40 to 125 °C
TOP264-265
TOP266-268
TOP269-271
TOP264-265
TOP266-268
TOP269-271
TOP264-265
TOP266-268
TOP269-271
Hysteresis
Hysteresis
Threshold
Threshold
V
V
C
C
= 0 V
= 5 V
Min
-5.0
-3.0
107
0.9
1.2
1.5
4.5
0.8
13
50
22
0.18
Typ
135
-3.5
-1.8
112
1.5
1.8
2.1
2.9
3.1
3.3
3.1
3.4
3.8
0.5
5.8
4.8
1.0
0.5
21
55
25
30
25
14
7
2
4
Max
-1.0
-0.6
117
2.1
2.4
2.8
3.9
4.1
4.3
4.1
4.4
4.8
5.1
25
60
27
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4
Units
%/°C
%/°C
kHz
kHz
mA
mA
mA
Hz
mA
mA
mA
mA
ms
W
%
%
%
V
V
V