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参数资料
| 型号： | PT5827A |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 16 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA18 |
| 封装： | HORIZONTAL MOUNT PACKAGE-18 |
| 文件页数： | 1/12页 |
| 文件大小： | 207K |
| 代理商： | PT5827A |
For technical support and more information, see inside back cover or visit www.ti.com
PT5820 Series
16-A 12-V Input Adjustable
Integrated Switching Regulator
SLTS172
(Released 8/23/2002)
Standard Application
Cin
= Required 560F
Cout = Required 330F (Note 3)
Ordering Information
PT5827
H = 5.0 Volts
PT5821
H = 3.3 Volts
PT5822
H = 2.5 Volts
PT5823
H = 1.8 Volts
PT5824
H = 1.5 Volts
PT5825
H = 1.2 Volts
PT5826
H = 1.0 Volts
Pin
Function
1Vo Adjust
2
Inhibit *
3
Margin Down
4
Margin Up
5Vin
6Vin
7Vin
8
Sense(–)
9
GND
10
GND
11
GND
12
GND
13
GND
14
Vout
15
Vout
16
Vout
17
Vout
18
Sense(+)
Features
12V Input
DSP Compatible
High Efficiency (90+%)
Output Margin Control (±5%)
Adjustable Output Voltage
On/Off Enable Function
Over-Current Protection
Pin-Out Information
* For Inhibit pin:
Open = output enabled
Ground = output disabled
Description
The PT5820 Excalibur 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 16A of output current, yet are housed in a
low-profile, 18-pin, package. The integral copper
case construction requires no heatsink, and offers
the advantages of solderability and a small foot-
print (0.736 in for suffix ‘N’). Both through-hole
and surface mount pin configurations are available.
The PT5820 series operates from a 12-V input
bus and provides a convenient point-of-load power
source for the industry’s latest high-performance
DSPs and microprocessors. The series includes
output voltage options as low as 1.0VDC.
Other features include external output voltage
adjustment, a ±5% margin control, on/off enable,
short circuit protection, and thermal shutdown. A
560-F input capacitor and 330F output capacitor
are required for proper operation.
PT Series Suffix (PT1234 x )
Case/Pin
Order
Package
Configuration
Suffix
Code
Vertical
N
(EPP)
Horizontal
A
(EPQ)
SMD
C
(EPS)
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Thermal Shutdown
Low-Profile (8mm)
Small Footprint
(0.736 in, Suffix ‘N’)
Solderable Copper Case
Surface Mount Compatible
PT5820
V
o Adjust
Margin Up
Margin Down
V
IN
9–13
4
118
14–17
5, 6, 7
8
2
L
O
A
D
C
IN
560F
(Required)
+
C
OUT
330F
(Required)
+
Inhibit
GND
V
OUT
3
Sense(+)
Sense(–)
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