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TOP264VG 数据表(PDF) 24 Page - Power Integrations, Inc.

部件名 TOP264VG
功能描述  Integrated Off-Line Switcher with EcoSmart Technology for Highly Efficient Power Supplies
PDF  36 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  POWERINT [Power Integrations, Inc.]
网页  http://www.powerint.com
标志 POWERINT - Power Integrations, Inc.

TOP264VG 数据表(HTML) 24 Page - Power Integrations, Inc.

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



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