pt4481

Manufacturer Part Numberpt4481
Description100-w 30-a Programmable Isolated Dc/dc Converter
ManufacturerTexas Instruments Incorporated
pt4481 datasheet
 


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PT4481—48V
100-W 30-A Programmable
Isolated DC/DC Converter
Description
Standard Application
+ V
IN
+ V
1
+ V
in
PT4481
2
– V
+
in
C
C
-V
VID0 - VID4
1
2
Inhibit
3
2 1
2 2
2 3
2 4
2 5
– V
IN
P R O G R A M M I N G P I N S
For technical support and more information, see inside back cover or visit www.ti.com
Features
Ordering Information
PT4481o
PT Series Suffix
(PT1234
x
)
Case/Pin
Order
Package
Configuration
Suffix
Code *
N
(EKD)
A
(EKA)
C
(EKC)
+ V
7
OUT
sns
8-13
+ V
out
L
1 4 - 1 9
-V
+
out
O
C
o
A
sns
D
2 0
– V
OUT
SLTS024C
(Revised 6/20/2002)
Pin-Out Information
Pin
Function
Pin
Function

pt4481 Summary of contents

  • Page 1

    ... For technical support and more information, see inside back cover or visit www.ti.com Features Ordering Information PT4481o PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code * N (EKD) ...

  • Page 2

    ... VID3 VID2 VID1 VID0 Vout Vout Specifications Characteristic Symbol Notes: PT4480 Series Comparison PT4481 PT4482 PT4499 PT4483 PT4484 PT4498 PT4485 PT4486 PT4497 Conditions Min For technical support and more information, see inside back cover or visit www.ti.com PT4481 Typ Max Units ...

  • Page 3

    ... PT4481—48V 100-W 30-A Programmable Isolated DC/DC Converter Performance Characteristics, V =3.3V o Efficiency vs Output Current 100 Iout (A) Ripple vs Output Current 100 Iout (A) Power Dissipation vs Output Current ...

  • Page 4

    ... Application Notes PT4481 Configuring PT4481 DC/DC Converters for N+1 Operation ‘N+1’ vs OR’ing Blocking Diodes Figure 1-1; Connection Schematic for Operation in Parallel/N+1 Configuration + –V IN Inhibit Notes All converters connected for ‘N+1’ operation must be located on the same printed circuit board ...

  • Page 5

    Application Notes PT4470, PT4480 Series Operating Features of the PT4470 and PT4480 Series of Isolated DC/DC Converters Under-Voltage Lockout Over-Current Protection Output Over-Voltage Protection For technical support and more information, see inside back cover or visit www.ti.com Over-Temperature Protection Primary-Secondary ...

  • Page 6

    Application Notes PT4470, PT4480 Series Using the Inhibit Function on the PT4470 & PT4480 Series of Isolated DC/DC Converters Table 2-1 Inhibit Control Requirements Parameter Min Max Notes: 1 Table 2-2 UVLO Thresholds Series UVLO Threshold V in Figure 2-1 ...

  • Page 7

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...