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PT4403 Datasheet

  • PT4403

  • 3.4V to 5.7V 75-W. 48 V-Input DC/DC Converter

  • 9頁

  • ETC

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PT4400 Series
75-W 48-V Input Isolated
DC/DC Converter
SLTS160B
(Revised 7/19/2002)
Features
鈥?/div>
Up to 75W Output:
20A @3.3V, 15A @5V
鈥?/div>
Input Voltage Range:
36V to 75V
鈥?/div>
Programmable Output Voltage
鈥?/div>
91% Efficiency (PT4403)
鈥?/div>
1500 VDC Isolation
鈥?/div>
On/Off Control
鈥?/div>
Over-Current Protection
Differential Remote Sense
Output Over-Voltage Protection
Over-Temperature Shutdown
Undervoltage Lockout
Low Profile Package (12mm)
Compact PCB Layout:
(Horizontal Config. 1.45in
脳
2.6in,
Vertical Config. < 1 in
2
)
鈥?/div>
Solderable Copper Case
鈥?/div>
Agency Approvals Pending
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Description
The PT4400 series of power modules are single-
output isolated DC/DC converters, housed in a
compact 21-pin low-profile (12mm) package.
These modules are rated up to 75W with load
currents as high as 20A. The output voltage is set
within a pre-defined range via a 5-bit input code.
The PT4400 series operates from a standard
48-V telecom CO supply and occupies only 3.9in虜
of PCB area. These modules offer OEMs a compact
and flexible high-output power source for use with
high-end microprocessors, DSPs, general purpose
logic and analog. They are suitable for distributed
power applications in both telecom and computing
environments.
Features include output over-current protection,
on/off control, output over-voltage protection
(OVP), over-temperature shutdown, under-volt-
age lockout (UVLO), and an output differential
remote sense. The modules are fully integrated
for stand-alone operation, and require no additional
components.
Ordering Information
PT4401H
= 1.3 to 3.5 Volts
PT4402H
= 1.05 to 1.75Volts
PT4403H
= 3.4 to 5.7 Volts
Pin-Out Information
Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Remote On/Off *
-Vin
-Vin
+Vin
+Vin
Pin Not Present
VID 0
VID 1
VID 2
VID 3
VID 4
鈥?/div>
(鈥?Remote Sense
-Vo
-Vo
-Vo
-Vo
+Vo
+Vo
+Vo
+Vo
(+)Remote Sense
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(ENM)
(ENN)
(ENP)
N
A
C
(Reference the applicable package code drawing for
the dimensions and PC layout)
* For more information consult
the applicable application note.
鈥?VID 4 does not function on the
PT4402 & PT4403
Standard Application
+ REMOTE SENSE
21
+ V
OUT
17鈥?0
C
o
L
O
A
D
+
13鈥?6
+ V
IN
鈥?V
IN
+ V
sns
4, 5
+ V
in
+ V
out
PT4401
2, 3
鈥?V
in
Remote
On/Off
1
VID0 - VID4
7
8
9
10 11
-V
sns
12
-V
out
鈥?V
OUT
鈥?REMOTE SENSE
PROGRAMMING PINS #
C
o
= Optional 330碌F Electrolytic Capacitor
# VID programming pins set fo 3.3V output
For technical support and more information, see inside back cover or visit www.ti.com

PT4403相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
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