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PT5548C Datasheet

  • PT5548C

  • 12-W 5-V Input Step-Up (Boost) Integrated Switching Regulato...

  • 8頁

  • TI

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PT5540 Series
12-W 5-V Input Step-Up (Boost)
Integrated Switching Regulator
SLTS175 FEBRUARY 2003
Features
鈥?/div>
Input Voltage: 5V
鈥?/div>
84% Efficiency
鈥?/div>
Industrial Temperature Range:
鈥?0擄C to +85擄C
鈥?/div>
Under-Voltage Lockout
鈥?/div>
Soft Start
鈥?/div>
Small Footprint: 0.94in
脳
0.35in
(Vertical package)
鈥?/div>
Solderable Copper Case
鈥?/div>
Surface Mountable
鈥?/div>
IPC Lead Free 2
Description
The PT5540 Excalibur鈩?power modules
are a series of integrated switching regulators
(ISRs) that provide a boost-voltage function.
They are designed for use with +5V bus
systems that require an additional higher
voltage rail.
The modules are rated 12W and produce
a fixed output voltage over the full industrial
temperature range of -40擄C to +85擄C. The
series includes the common output voltages,
+12V and +15V. Applications include PCI
cards, audio circuits, and battery operated
instruments.
The PT5540 series is packaged in a 3-pin
thermally efficient copper case. The case is
solderable, has a small footprint, and can
accommodate both through-hole and surface
mount pin configurations.
The PT5540 series is offered as a next
generation replacement to the popular PT5040
series. The PT5540 has a lower operating
temperature range and improved start-up
characteristics.
Ordering Information
PT5541H
PT5542H
PT5544H
PT5545H
PT5546H
PT5548H
= +12 Volts
= +15 Volts
= + 8 Volts
= + 9 Volts
= +10 Volts
= +12.6 Volts
Pin-Out Information
Pin Function
1
2
3
Vin
GND
V
o
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(EFN)
(EFP)
(EFQ)
N
A
C
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Standard Application
+V
IN
1
PT5540
2
3
+V
O
C
IN
100碌F
COM
C
OUT
100碌F
For technical support and more information, see inside back cover or visit www.ti.com
+
COM
C
IN
= Required 100碌F electrolytic
C
OUT
= Required 100碌F electrolytic
(not to exceed 560碌F)
+

PT5548C 產(chǎn)品屬性

  • 30

  • 電源 - 板載

  • DC DC Converters

  • PT5540

  • 非隔離（POL）

  • 1

  • 9V

  • 12.6V

  • -

  • -

  • 1A

  • 12W

  • *

  • *

  • 表面貼裝

  • 3-SIP SMD 模塊

  • -

  • 托盤

  • -40°C ~ 85°C

  • 84%

  • 12.6W

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