PT6673 Datasheet: 5V/3.3V Input 20W Boost Integrated Switching Regulator





PT6673 5V/3.3V Input 20W Boost Integrated Switching Regulator Datasheet

Part Number PT6673
Description 5V/3.3V Input 20W Boost Integrated Switching Regulator
Manufacture Power Trends
Total Page 5 Pages
PDF Download Download PT6673 Datasheet PDF

Features: PT6670 Series 5V/3.3V Input 20W Boost In tegrated Switching Regulator SLTS039A (Revised 6/30/2000) • Input Voltage Range: 3.1 to 3.6V 4.5 to 5.5V • Adju stable Output Voltage • 85% Efficienc y • Remote Sense Capability • Soft Start The PT6670 is a series of high-o utput Integrated Switching Regulators ( ISRs) designed to provide a voltage boo st function. Housed in a 14-Pin SIP (Si ngle In-line Package), the PT6670 serie s incorporates regulators for either a +3.3V or +5.0V input and provide output voltages from +5V to +12V. Application s include power for auxilliary circuits requiring up to 20W. Standard Applica tion VOAdjust VIN REMOTE SENSE 14 1 PT66704,5,6 11,12,13 VOUT Pin-Out I nformation Pin Function 1 Remote Sense 2 Do not connect 3 Do not connect 4 Vi n 5 Vin 6 Vin 7 GND Pin Function 8 GND 9 GND 10 GND 11 Vout 12 Vout 13 Vout 1 4 Vout Adjust + C1 GND 7,8,9,10 + C2 GND LOAD C1 = Required 560µF electr olytic (1) C2 = Required 560µF electrolytic (1) Pkg Style 400 PT6670 Not.

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PT6670 Series
5V/3.3V Input 20W Boost
Integrated Switching Regulator
SLTS039A
(Revised 6/30/2000)
Input Voltage Range:
3.1 to 3.6V
4.5 to 5.5V
Adjustable Output Voltage
85% Efficiency
Remote Sense Capability
Soft Start
The PT6670 is a series of high-output
Integrated Switching Regulators (ISRs)
designed to provide a voltage boost
function. Housed in a 14-Pin SIP (Single
In-line Package), the PT6670 series
incorporates regulators for either a +3.3V
or +5.0V input and provide output voltages
from +5V to +12V. Applications include
power for auxilliary circuits requiring
up to 20W.
Standard Application
VOAdjust
VIN
REMOTE SENSE
14 1
PT66704,5,6
11,12,13
VOUT
Pin-Out Information
Pin Function
1 Remote Sense
2 Do not connect
3 Do not connect
4 Vin
5 Vin
6 Vin
7 GND
Pin Function
8 GND
9 GND
10 GND
11 Vout
12 Vout
13 Vout
14 Vout Adjust
+
C1
GND
7,8,9,10
+
C2
GND
LOAD
C1 = Required 560µF electrolytic (1)
C2 = Required 560µF electrolytic (1)
Pkg Style 400
PT6670
Note:
Back surface is
conducting metal.
Ordering Information
+3.3V Input +5V Input
PT6671…
PT6672…
PT6673…
PT6675…
PT6674…
Vout
+5.0 Volts
+9.0 Volts
+12.0 Volts
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Heat
Spreader
P
D
E
Preliminary Specifications
Characteristics
(Ta = 25°C unless noted)
Output Current
Symbols
Io
Input Voltage Range
Inrush Current
Output Voltage Tolerance
Output Voltage Adjust Range
Line Regulation
Load Regulation
Vo Ripple/Noise
Transient Response
with C1= C2= 560µF
Efficiency
Vin
Iir
Vo
Voadj
Regline
Regload
Vn
ttr
Vos
η
Conditions
Ta = 60°C, 200 LFM, pkg P
Ta = 25°C, natural convection
Over Vo and Io range
On start-up
Vin =Vin(TYP), Io = Iomax
Ta = 0°C to 65°C
Pin 14 to Vo or ground
Over Vin range, Io = Iomax
Vin =Vin(TYP), 0.1 Io Iomax
Vin =Vin(TYP), Io = Iomax
Io step between ½Iomax and Iomax
Vo over/undershoot
Vin = Vin(TYP), Io = ½Iomax
Vin =Vin(TYP), Io = Iomax
PT6671
PT6672
PT6673
PT6674
PT6675
PT6671/2/3
PT6674/5
PT6671
PT6672/5
PT6673/4
PT6671
PT6672
PT6673
PT6675
PT6674
PT6671
PT6672
PT6673
PT6675
PT6674
Min
0.1
0.1
0.1
0.1
0.1
0.1
3.1
4.5
3.8
8.2
9.6
PT6670 SERIES
Typ Max
— TBD
— 4.0
— 1.67
— 1.25
— 2.0
— 3.0
3.3 3.6
5.0 5.5
— TBD
Units
A
V
A
1.5 —
%Vo
±0.25
±0.25
3
500
5
85
84
83
88
87
82
80
82
87
86
5.5
9.2 V
12.8
±0.5 %Vo
±0.5 %Vo
— %Vo
— µSec
— %Vo
—%
—%
(Continued)
For technical support and more information, see inside back cover or visit www.ti.com/powertrends

              






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