鈥?/div>
Input Voltage Range: 3.0 to 3.6V
Adjustable Output Voltage
85% Efficiency
Remote Sense Capability
Soft Start
The PT6670 series is a new addition
to the Power Trends high performance
family of 14-Pin SIP (Single In-line
Package) Integrated Switching Regula-
tors (ISRs), designed for 3.3V bus
applications needing 5 to 12 volts for
auxilliary circuits at up to 20W of
output power.
Pin-Out Information Ordering Information
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PT Series Suffix
(PT1234X)
Case/Pin
Configuration
Heat
Spreader
Function
Remote Sense
Do not connect
Do not connect
PT6671簍
= +5.0 Volts
PT6672簍
= +9.0 Volts
PT6673簍
= +12.0 Volts
Standard Application
V
O
Adjust
14
1
REMOTE SENSE
V
in
V
in
V
in
GND
GND
GND
GND
V
out
V
out
V
out
V
out
Adjust
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
P
D
E
V
IN
4,5,6
PT6670
7,8,9,10
11,12,13
V
OUT
C
1
GND
+
C
2
+
LOAD
Pkg Style 400
Note: Back surface
of product is
conducting metal.
GND
PT6670
C
1
= Required 560碌F electrolytic
C
2
= Required 560碌F electrolytic
Preliminary Specifications
Characteristics
(T
a
= 25擄C unless noted)
Output Current
PT6670 SERIES
Symbols
I
o
Conditions
T
a
= 60擄C, 200 LFM, pkg P
T
a
= 25擄C, natural convection
Over V
o
and I
o
range
On start-up
V
in
= +3.3V, I
o
= I
omax
T
a
= 0擄C to 65擄C
Pin 14 to V
o
or ground
Over V
in
range, I
o
=
I
omax
V
in
= +3.3V, 0.1
鈮?/div>
I
o
鈮?/div>
I
omax
V
in
= +3.3V, I
o
= I
omax
I
o
step between 錕?frac12;I
omax
and I
omax
V
o
over/undershoot
V
in
= +3.3V, I
o
= 錕?frac12;I
omax
V
in
= +3.3V, I
o
= I
omax
V
o
= +5V
V
o
= +9V
V
o
= +12V
V
o
= +5V
V
o
= +9V
V
o
= +12V
V
o
= +5V
V
o
= +9V
V
o
= +12V
V
o
= +5V
V
o
= +9V
V
o
= +12V
Min
0.1
0.1
0.1
0.1
3.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
1.5
TBD
TBD
TBD
鹵0.25
鹵0.25
3
500
5
87
86
87
84
80
82
Max
TBD
4.0
2.2
1.7
3.6
TBD
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鹵0.5
鹵0.5
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Units
A
A
A
A
V
A
%V
o
V
%V
o
%V
o
%V
o
碌Sec
%V
o
%
%
%
%
%
%
Input Voltage Range
Inrush Current
Output Voltage Tolerance
Output Voltage Adjust Range
V
in
I
ir
鈭哣
o
V
oadj
Reg
line
Reg
load
V
n
t
tr
V
os
h
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
1
= C
2
= 560碌F
Efficiency
Note:
The PT6670 Series requires two 560碌F electrolytic capacitors (input and output) for proper operation in all applications. Please note that this product does not include short circuit protection.
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
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