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PT3668 Datasheet

  • PT3668

  • 30-A Dual Output Isolated DC/DC Converter

  • 15頁

  • TI

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PT3660 Series
30-A Dual Output Isolated
DC/DC Converter
SLTS181 OCTOBER 2002
Features
鈥?/div>
Dual Outputs
(Independantly Regulated)
鈥?/div>
Power-up/Down Sequencing
鈥?/div>
Input Voltage Range:
36V to 75V
鈥?/div>
1500 VDC Isolation
鈥?/div>
Temp Range: 鈥?0擄 to 100擄C
鈥?/div>
High Efficiency: 88%
鈥?/div>
Fixed Frequency Operation
鈥?/div>
Over-Current Protection
(Both Outputs)
鈥?/div>
Dual Logic On/Off Control
鈥?/div>
Over-Temperature Shutdown
鈥?/div>
Over-Voltage Protection
(Coordinated Shutdown)
鈥?/div>
Under-Voltage Lockout
鈥?/div>
Input Differential EMI Filter
鈥?/div>
Solderable Copper Case
鈥?/div>
Safety Approvals:
UL1950
CSA 22.2 950
Description
The PT3660 Excalibur鈩?Series
is a 30-A rated, dual-output isolated
DC/DC converter that combines
state-of-the-art power conversion
technology with unparalleled flex-
ibility. These modules operate from
a standard telecom (鈥?8V) central
office (CO) supply to produce two
independantly regulated outputs.
The PT3660 series is characterized
with high efficiencies and ultra-fast
transient response, and incorporates
many features to facilitate system
integration. These include a flexible
鈥淥n/Off鈥?enable control, output
current limit, over-temperature
protection, and an input under-
voltage lockout. In addition, both
output voltages are designed to meet
the power-up/power-down sequenc-
ing requirements of popular DSP
ICs.
The PT3660 series is housed in
space-saving solderable copper case.
The package does not require a
heatsink and is available in both
vertical and horizontal configura-
tions, including surface mount. The
鈥楴鈥?configuration occupies less than 2
in虜 of PCB area.
This product is pin-compatible
with the PT4660 series.
Ordering Information
Pt. No.
PT3661o
PT3662o
PT3663o
PT3665o
PT3666o
PT3667o
PT3668o
=
=
=
=
=
=
=
Vo
1
/Vo
2
5.0/3.3 Volts
3.3/2.5 Volts
3.3/1.8 Volts
3.3/1.5 Volts
2.5/1.8 Volts
5.0/1.8 Volts
3.3/1.2 Volts
ADVANCE INFORMATION
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(EKD)
(EKA)
(EKC)
N
A
C
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Typical Application
V
1
Adjust
V
2
Adjust
20
Vo
2
adj
13
Vo
1
adj
Vo
1
9鈥?2
+ V
IN
Vo
1
Vo
2
1
+Vin
Vo
2
21鈥?4
PT3660
3
4
EN 1*
EN 2
鈥揤in
COM
14鈥?9
L
O
A
D
L
O
A
D
鈥?V
IN
2
COM
* Inverted logic
For technical support and more information, see inside back cover or visit www.ti.com

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