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PT5812A Datasheet

  • PT5812A

  • 20-A 3.3-V Input Adjustable Integrated Switching Regulator

  • 11頁(yè)

  • TI

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PT5810 Series
20-A 3.3-V Input Adjustable
Integrated Switching Regulator
SLTS174 - JANUARY 2003 - REVISED APRIL 2003
Features
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3.3 V Input
20 A Output Current
DSP Compatible
Low-Profile (8 mm)
>90 % Efficiency
Output Margin Control (鹵5 %)
Adjustable Output Voltage
Pre-Bias Startup Capability
On/Off Inhibit Function
Over-Current Protection
Thermal Shutdown
Small Footprint
(0.736 in虜, Suffix 鈥楴鈥?
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Surface Mount Compatible
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IPC Lead Free 2
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Description
The PT5810 Excalibur鈩?series of integrated
switching regulators (ISRs) combines outstand-
ing power density with a comprehensive list of
features. They are an ideal choice for applications
where board space is a premium and performance
cannot be compromised. These modules provide
a full 20 A of output current, yet are housed in a
low-profile, 18-pin, package that is almost half
the size of the previous product generation. The
integral copper case construction requires no
heatsink, and offers the advantages of solderabil-
ity and a small footprint (0.736 in虜 for suffix 鈥楴鈥?.
Both through-hole and surface mount pin con-
figurations are available.
The PT5810 series operates from a 3.3-V input
bus to provide a convenient point-of-load power
source for the industry鈥檚 latest high-performance
DSPs and microprocessors. The series includes
output voltage options as low as 1.0 VDC.
Other features include external output voltage
adjustment, a 鹵5 % margin control, on/off inhibit,
short circuit protection, thermal shutdown, and a
differential remote sense.
Ordering Information
PT5812H
PT5813H
PT5814H
PT5815H
PT5816H
= 2.5 Volts
= 1.8 Volts
= 1.5 Volts
= 1.2 Volts
= 1.0 Volts
Pin-Out Information
Pin Function
1
2
3
4
5
6
7
V
o
Adjust
Inhibit*
Margin Dn*
Margin Up*
V
in
V
in
V
in
Sense(鈥?
GND
GND
GND
GND
GND
V
out
V
out
V
out
V
out
Sense(+)
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(EPP)
(EPQ)
(EPS)
8
9
10
11
12
13
14
15
16
17
18
N
A
C
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
* Denotes negative logic:
Open = Normal operation
Ground = Function active
Standard Application
Margin Dn
Margin Up
V
o
Adjust
1
5, 6, 7
4
3
18
14鈥?7
Sense(+)
V
OUT
V
IN
C
IN
1,000 碌F
(Required)
Inhibit
GND
PT5800
2
9鈥?3
8
Sense(鈥?
For technical support and more information, see inside back cover or visit www.ti.com
+
L
O
A
D
C
OUT
330 碌F
(Required)
+
GND
C
in
= Required 1,000 碌F
C
out
= Required 330 碌F

PT5812A 產(chǎn)品屬性

  • 15

  • 電源 - 板載

  • DC DC Converters

  • PT5810

  • 非隔離（POL）

  • 1

  • 3.65V

  • 2.5V

  • -

  • -

  • 20A

  • 50W

  • -

  • -

  • 通孔，直角

  • 18-SIP 模塊

  • -

  • 托盤

  • -40°C ~ 85°C

  • 93%

  • 50W

  • 296-20144PT5812A-ND

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