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TOP243F 数据表(PDF) 35 Page - Power Integrations, Inc.

部件名 TOP243F
功能描述  TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
PDF  52 Pages
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制造商  POWERINT [Power Integrations, Inc.]
网页  http://www.powerint.com
标志 POWERINT - Power Integrations, Inc.

TOP243F 数据表(HTML) 35 Page - Power Integrations, Inc.

Back Button TOP243F Datasheet HTML 31Page - Power Integrations, Inc. TOP243F Datasheet HTML 32Page - Power Integrations, Inc. TOP243F Datasheet HTML 33Page - Power Integrations, Inc. TOP243F Datasheet HTML 34Page - Power Integrations, Inc. TOP243F Datasheet HTML 35Page - Power Integrations, Inc. TOP243F Datasheet HTML 36Page - Power Integrations, Inc. TOP243F Datasheet HTML 37Page - Power Integrations, Inc. TOP243F Datasheet HTML 38Page - Power Integrations, Inc. TOP243F Datasheet HTML 39Page - Power Integrations, Inc. Next Button
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background image
TOP242-250
35
G
1/02
CONTROL FUNCTIONS
Conditions
(Unless Otherwise Specified)
See Figure 53
SOURCE = 0 V
; T
J = -40 to 125 °C
Min
Typ
Max
Parameter
Symbol
Units
See Note A
See Figure 7
T
J = 25 °C
I
C =
4 mA; T
J = 25 °C
See Figure 51
l
B
l
C(OFF)
Z
C
PWM Gain
Temperature Drift
External Bias
Current
CONTROL
Current at 0%
Duty Cycle
Dynamic
Impedance
Dynamic
Impedance
Temperature Drift
Control Pin
Internal Filter Pole
%/mA/°C
mA
mA
Ω
%/°C
kHz
SHUTDOWN/AUTO-RESTART
V
C = 0 V
V
C = 5 V
l
C (CH)
V
C(AR)U
V
C(AR)L
V
C(AR)hyst
DC
(AR)
f
(AR)
Control Pin
Charging Current
Charging Current
Temperature Drift
Auto-restart Upper
Threshold Voltage
Auto-restart Lower
Threshold Voltage
Auto-restart
Hysteresis Voltage
Auto-restart Duty
Cycle
Auto-restart
Frequency
mA
%/°C
V
V
V
%
Hz
-5.0
-3.5
-2.0
-3.0
-1.8
-0.6
0.5
5.8
4.5
4.8
5.1
0.8
1.0
48
1.0
T
J = 25 °C
See Note A
Soft Start Time
t
SOFT
T
J = 25 °C; DCMIN to DCMAX
10
15
ms
PWM Gain
DC
reg
I
C = 4 mA; TJ = 25 °C
-28
-23
-18
%/mA
TOP242-245
TOP246-249
TOP250
TOP242-245
TOP246-249
TOP250
-0.01
1.2
2.0
3.0
1.6
2.6
4.0
1.7
2.7
4.2
6.0
7.0
6.6
8.0
7.3
8.5
10
15
22
0.18
7



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