PT6470 Datasheet: 14-A 3.3-V Input Adjustable Integrated Switching Regulator





PT6470 14-A 3.3-V Input Adjustable Integrated Switching Regulator Datasheet

Part Number PT6470
Description 14-A 3.3-V Input Adjustable Integrated Switching Regulator
Manufacture Power Trend
Total Page 14 Pages
PDF Download Download PT6470 Datasheet PDF

Features: PT6470 Series 14-A 3.3-V Input Adjustabl e Integrated Switching Regulator SLTS1 80A - JANUARY 2003 - REVISED JUNE 2003 Features • 3.3 V Input • 14 A Outp ut Current • Low-Profile (8mm) • DS P Compatible • High Efficiency (Up to 95%) • Adjustable Output Voltage • On/Off Inhibit Function • Pre-Bias S tart-up Capability • Over-Current Pr otection • Output Remote Sense • Op tional Output Capacitor • Small Footp rint (0.64 in², Suffix ‘N’) • Su rface Mount Compatible • IPC Lead Fre e 2 Description The PT6470 Excalibur series of integrated switching regula tors (ISRs) combines outstanding power density with a comprehensive list of fe atures. They are an ideal choice for ap plications where board space is a premi um and performance cannot be compromise d. These modules provide a full 14 A of output current, yet are housed in a lo w-profile, 12-pin, package that is almo st half the size of the previous genera tion of products. The integral copper case construction requires no heatsink, and offers the advan.

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PT6470 Series
14-A 3.3-V Input Adjustable
Integrated Switching Regulator
SLTS180A - JANUARY 2003 - REVISED JUNE 2003
Features
3.3 V Input
14 A Output Current
Low-Profile (8mm)
DSP Compatible
High Efficiency (Up to 95%)
Adjustable Output Voltage
On/Off Inhibit Function
Pre-Bias Start-up Capability
Over-Current Protection
Output Remote Sense
Optional Output Capacitor
Small Footprint
(0.64 in², Suffix ‘N’)
Surface Mount Compatible
IPC Lead Free 2
Description
The PT6470 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 14 A of output current, yet are housed in a
low-profile, 12-pin, package that is almost half
the size of the previous generation of products.
The integral copper case construction requires
no heatsink, and offers the advantages of solder-
ability and a small footprint (0.64 in² for suffix
‘N’). Both through-hole and surface mount pin
configurations are available.
The PT6470 series operates from a 3.3-V
input to provide 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 1.0V DC.
Other features include external output voltage
adjustment, on/off inhibit, pre-bias startup, short
circuit protection, and an output remote sense.
Ordering Information
PT6472H = 2.5 Volts
PT6473H = 2.0 Volts
PT6474H = 1.8 Volts
PT6475H = 1.5 Volts
PT6476H = 1.2 Volts
PT6477H = 1.0 Volts
PT Series Suffix (PT1234x )
Case/Pin
Configuration
Order
Suffix
Package
Code
Vertical
Horizontal
SMD
N (EPH)
A (EPJ)
C (EPK)
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Standard Application
VIN
CIN
470 µF
(Required)
Inhibit
GND
12 11
2–4 PT6470 9–10
1 5–8
COUT
330 µF
(Optional)
Vo Adjust
+VSENSE
VOUT
L
O
A
D
GND
Pin-Out Information
Pin Function
1 Inhibit*
2 Vin
3 Vin
4 Vin
5 GND
6 GND
7 GND
8 GND
9 Vout
10 Vout
11 +Vsense
12 Vo Adjust
* Denotes negative logic:
Open = Output enabled
Ground = Output disabled
Cin = Required 470 µF
Cout = Optional 330 µF
For technical support and more information, see inside back cover or visit www.ti.com

                    
                    






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