参数资料
型号: TOP244PN-TL
厂商: POWER INTEGRATIONS INC
元件分类: 稳压器
英文描述: 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDIP7
封装: PLASTIC, DIP-8/7
文件页数: 8/52页
文件大小: 457K
代理商: TOP244PN-TL
TOP242-250
16
H
9/02
General Information & Table of Contents
Product Selector Guide
1
Data Sheets
2
Application Notes
3
Design Ideas
4
Design Tools
5
Quality and Reliability
6
Package Information
7
DPA-Switch DC-DC Seminar
8
LinkSwitch & TinySwitch-II AC-DC Seminar
9
TOPSwitch-GX AC-DC Seminar 10
Sales Representatives and Distributors 11
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins
XF
PI-2617-050100
DC
Input
Voltage
+
-
D
CS
D
S
C
CONTROL
L
CL X S F
D
PI-2618-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
2M
R
LS
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 M
VUV = 100 VDC
VOV = 450 VDC
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
PI-2510-040501
DC
Input
Voltage
+
-
DM
S
C
VUV = RLS x IUV
For Value Shown
VUV = 100 VDC
RLS
6.2 V
2 M
22 k
CONTROL
PI-2620-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
2 M
30 k
R
LS
1N4148
VOV = IOV x RLS
For Values Shown
VOV = 450 VDC
X
PI-2623-040501
DC
Input
Voltage
+
-
D
S
C
R
IL
For RIL = 12 k
ILIMIT = 69%
See fig. 55 for other
resistor values (RIL)
For RIL = 25 k
ILIMIT = 43%
CONTROL
X
PI-2624-040501
DC
Input
Voltage
+
-
D
S
C
2.5 M
R
LS
6 k
R
IL
100% @ 100 VDC
63% @ 300 VDC
ILIMIT =
CONTROL
Figure 16. Three Terminal Operation (LINE-SENSE and
EXTERNAL CURRENT LIMIT Features Disabled.
FREQUENCY Pin can be tied to SOURCE or
CONTROL Pin).
Figure 17. Line-Sensing for Under-Voltage, Overvoltage and
Line Feed Forward.
Figure 18. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
Figure 19. Line-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle will be reduced at
Low Line.
Figure 20. Externally Set Current Limit.
Figure 21. Current Limit Reduction with Line Voltage.
相关PDF资料
PDF描述
TOP250YN-TL 10.08 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP244RN-TL 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PSSO6
TOP244Y-TL 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP246Y-TL 4.32 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP245YN-TL 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
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