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TOP259EN 数据表(PDF) 16 Page - Power Integrations, Inc.

部件名 TOP259EN
功能描述  Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
PDF  49 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.

TOP259EN 数据表(HTML) 16 Page - Power Integrations, Inc.

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Rev. F 01/09
16
TOP252-262
www.powerint.com
Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins
XF
PI-4716-020508
DC
Input
Voltage
+
-
D
CS
D
S
C
CONTROL
V
VX C S F
D
D
SC
DC
X
V
SS
SS
S
TOP254-258Y
TOP252-258M
PI-4717-120307
DC
Input
Voltage
+
-
D
S
C
CONTROL
V
4 M
R
LS
V
UV = IUV × RLS +VV (IV = IUV)
V
OV =IOV ×RLS +VV (IV = IOV)
For R
LS = 4 M
V
UV = 102.8 VDC
V
OV = 451 VDC
DC
MAX@100 VDC = 76%
DC
MAX@375 VDC = 41%
PI-4756-121007
DC
Input
Voltage
Sense Output Voltage
+
-
DV
S
C
V
UV = IUV × RLS +VV (IV = IUV)
V
OV =IOV ×RLS +VV (IV = IOV)
For R
LS = 4 M
V
UV = 102.8 VDC
V
OV = 451 VDC
DC
MAX @ 100 VDC = 76%
DC
MAX @ 375 VDC = 41%
CONTROL
R
LS
4 M
10 k
Reset
Q
R
PI-4719-120307
DC
Input
Voltage
Sense Output Voltage
+
-
DV
S
C
V
UV = IUV × RLS +VV (IV = IUV)
V
OV =IOV ×RLS +VV (IV = IOV)
For R
LS = 4 M
V
UV = 102.8 VDC
V
OV = 451 VDC
DC
MAX @ 100 VDC = 76%
DC
MAX @ 375 VDC = 41%
CONTROL
R
LS
4 M
R
OVP >3k
VR
OVP
ROVP
Figure 16a. Three Terminal Operation (VOLTAGE MONITOR and EXTERNAL
CURRENT LIMIT Features Disabled. FREQUENCY Pin Tied to
SOURCE or CONTROL Pin) for TOP254-258 Y Packages.
Figure 17. Line-Sensing for Undervoltage, Overvoltage and Line Feed-Forward.
Figure 18. Line-Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Latched Output Overvoltage Protection.
Figure 19. Line-Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Hysteretic Output Overvoltage Protection.
Figure 16c. Three Terminal Operation (VOLTAGE MONITOR and EXTERNAL
CURRENT LIMIT Features Disabled. FREQUENCY Pin Tied to
SOURCE or CONTROL Pin) for TOP252-262 L and E Packages.
XG
PI-4984-020708
DC
Input
Voltage
+
-
D
CS
D
S
C
CONTROL
V
TOP259-261Y
VX C S G
D
Figure 16b. Three Terminal Operation (VOLTAGE MONITOR and EXTERNAL
CURRENT LIMIT Features Disabled for TOP259-261 Y Packages.
XF
DC
Input
Voltage
+
-
D
CS
D
S
C
CONTROL
V
VX C
S
FD
CS
D
PI-4956-071708
eSIP E Package
VX C
S
FD
eSIP L Package



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