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LM5025AMTC/NOPB Datasheet(PDF) 2 Page - Texas Instruments

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No. de pieza LM5025AMTC/NOPB
Descripción Electrónicos  Active Clamp Voltage Mode PWM Controller
PDF  23 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LM5025AMTC/NOPB Datasheet(HTML) 2 Page - Texas Instruments

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RAMP
CS1
CS2
TIME
REF
VCC
OUT_A
VIN
RT
COMP
SS
AGND
PGND
OUT_B
SYNC
UVLO
14
13
12
11
10
8
9
15
16
1
2
3
4
5
7
6
LM5025A
UVLO
PGND AGND
COMP
OUT_A
OUT_B
VCC
SS
Rt
SYNC
REF
TIME
RAMP
CS1
VIN
VIN
35 - 78V
VOUT
3.3V
UP/DOWN
SYNC
ERROR
AMP &
ISOLATION
CS2
LM5025A
SNVS293E – DECEMBER 2004 – REVISED MARCH 2013
www.ti.com
Typical Application Circuit
Figure 1. Simplified Active Clamp Forward Power Converter
Connection Diagram
Figure 2. 16-Lead TSSOP, WSON
Table 1. PIN DESCRIPTION
Pin
Name
Description
Application Information
1
VIN
Source Input Voltage
Input to start-up regulator. Input range 13V to 90V, with transient
capability to 105V.
2
RAMP
Modulator ramp signal
An external RC circuit from Vin sets the ramp slope. This pin is
discharged at the conclusion of every cycle by an internal FET, initiated
by either the internal clock or the V*Sec Clamp comparator.
2
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Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LM5025A



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