參數(shù)資料
型號(hào)： PT6675P
廠商： Texas Instruments, Inc.
英文描述： SMPS Controller
中文描述： 開(kāi)關(guān)電源控制器
文件頁(yè)數(shù)： 1/5頁(yè)
文件大?。?/td> 113K
代理商： PT6675P
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
5V/3.3V Input 20W Boost
Integrated Switching Regulator
PT6670 Series
Standard Application
C
1
= Required 560μF electrolytic
(1)
C
2
= Required 560μF electrolytic
(1)
PT6670
4,5,6
7,8,9,10
11,12,13
14
V
IN
GND
GND
V
OUT
C
2
+
C
1
+
1
V
O
Adjust
REMOTE SENSE
LOAD
Ordering Information
+3.3V Input
+5V Input
Vout
PT6671
PT6672
PT6673
—
PT6675
PT6674
+5.0 Volts
+9.0 Volts
+12.0 Volts
PT Series Suffix
(PT1234
X
)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Heat
Spreader
P
D
E
Pin-Out Information
Pin
Function
1
Remote Sense
2
Do not connect
3
Do not connect
4
V
in
5
V
in
6
V
in
7
GND
Input Voltage Range:
3.1 to 3.6V
4.5 to 5.5V
Adjustable Output Voltage
85% Efficiency
Remote Sense Capability
Soft Start
Pin
8
9
10
11
12
13
14
Function
GND
GND
GND
V
out
V
out
V
out
V
out
Adjust
Note:
Back surface is
conducting metal.
Pkg Style 400
PT6670
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.
Preliminary Specifications
Characteristics
(T
a
= 25°C unless noted)
Output Current
PT6670 SERIES
Typ
—
—
—
—
—
—
3.3
5.0
—
Symbols
I
o
Conditions
T
a
= 60°C, 200 LFM, pkg P
T
a
= 25°C, natural convection
Min
0.1
0.1
0.1
0.1
0.1
0.1
3.1
4.5
—
Max
TBD
4.0
1.67
1.25
2.0
3.0
3.6
5.5
TBD
Units
PT6671
PT6672
PT6673
PT6674
PT6675
A
Input Voltage Range
V
in
Over V
o
and
I
o
range
PT6671/2/3
PT6674/5
V
Inrush Current
Output Voltage Tolerance
I
ir
V
o
On start-up
V
in
=V
, I
o
= I
omax
T
a
= 0°C to 65°C
Pin 14 to V
o
or ground
A
—
1.5
—
%V
o
Output Voltage Adjust Range
V
oadj
PT6671
PT6672/5
PT6673/4
3.8
8.2
9.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
±0.25
±0.25
3
500
5
85
84
83
88
87
82
80
82
87
86
5.5
9.2
12.8
±0.5
±0.5
—
—
—
—
—
—
—
—
—
—
—
—
—
V
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
1
= C
2
= 560μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
Over V
in
range, I
o
=
I
omax
V
in
=V
in(TYP)
, 0.1
≤
I
o
≤
I
omax
V
in
=V
in(TYP)
, I
o
= I
omax
I
o
step between I
omax
and I
omax
V
o
over/undershoot
V
in
= V
in(TYP)
, I
o
= I
omax
%V
o
%V
o
%V
o
μSec
%V
o
PT6671
PT6672
PT6673
PT6675
PT6674
PT6671
PT6672
PT6673
PT6675
PT6674
%
V
in
=V
in(TYP)
, I
o
= I
omax
%
(Continued)
SLTS039A
(Revised 6/30/2000)
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