鈥?/div>
Remote Sense Capability
The PT6640 series is a positive
input to negative output line of
Integrated Switching Regulators
(ISRs). Designed for general purpose
applications, the PT6640 series deliv-
ers a negative output voltage at up
to 24W. The PT6640 is packaged in
a 14-Pin SIP (Single In-line Package)
and is available in a surface-mount
configuration.
Pin-Out Information
Standard Application
V
IN
4,5,6
Ordering Information
PT6641
PT6642
PT6643
PT6644
PT6645
PT6646
= 鈥?.3 Volts
= 鈥?.0 Volts
= 鈥?2.0 Volts
= 鈥?.0 Volts
= 鈥?5.0 Volts
= 鈥?.5 Volts
PT Series Suffix
(PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Heat
Spreader
PT6640
11,12,13
1
7,8,9,10
-V
OUT
COM
REMOTE SENSE
C
1
= Required 560碌F electrolytic
C
2
= Required 330碌F electrolytic
Specifications
Characteristics
(T
a
= 25擄C unless noted)
Output Current
Input Voltage Range
Output Voltage T
olerance
Output Voltage Adjust Range
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
2
= 330碌F
Efficiency
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
+
C
1
+
C
2
LOAD
COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Remote Sense
Do Not Connect
Do Not Connect
+V
in
+V
in
+V
in
鈥?/div>
V
out
鈥?/div>
V
out
鈥?/div>
V
out
鈥?/div>
V
out
GND
GND
GND
V
out
Adjust
P
D
E
Pkg Style 400
PT6640
Note: Back surface
of product is
conducting metal
PT6640 SERIES
Symbols
I
o
Conditions
T
a
= 60擄C, 200 LFM, pkg P
T
a
= 25擄C, natural convection V
o
鈮?/div>
鈥?5.0V
V
o
= 鈥?9.0V
V
o
= 鈥?12.0V
V
o
= 鈥?15.0V
0.1A
鈮?/div>
I
o
鈮?/div>
I
o
max
V
o
= 鈥?.5V/3.3V
V
o
= 鈥?5.0V
V
o
= 鈥?9.0V
V
o
= 鈥?12.0V
V
o
= 鈥?15.0V
Min
0.1
0.1
0.1
0.1
0.1
+8
+8
+8
+8
+8
V
o
-0.1
V
o
= 鈥?2.5V
V
o
= 鈥?3.3V
V
o
= 鈥?5.0V
V
o
= 鈥?9.0V
V
o
= 鈥?2.0V
V
o
= 鈥?5.0V
鈥?.8
鈥?.2
鈥?.0
鈥?.0
鈥?.0
鈥?0.0
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>
Typ
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>
鈥?/div>
鹵0.5
鹵0.5
3.0
200
100
75
79
83
85
84
74
77
80
84
Max
(See Note 2)
Units
4.0
2.5
2.0
1.5
+27
+25
+21
+18
+15
V
o
+0.1
鈥?.3
鈥?.7
鈥?.5
鈥?0.2
鈥?3.6
鈥?7.0
鹵1.0
鹵1.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
A
V
in
V
鈭哣
o
V
oadj
Over V
in
range
T
a
= -40擄C to +65擄C
Pin 14 to V
o
or ground
V
V
Reg
line
Reg
load
V
n
t
tr
V
os
畏
+9V鈮
in
鈮?V
in
max, I
o
= I
o
max
V
in
= +12V, 0.1鈮?I
o
鈮
o
max
V
in
= +12V, I
o
= I
o
max
I
o
step between 0.5xI
o
max and I
o
max
V
o
over/undershoot
V
in
= +12V, I
o
= 0.5x I
o
max
V
o
= 鈥?2.5V
V
o
= 鈥?3.3V
V
o
= 鈥?5.0V
V
o
= 鈥?.0/12.0V
V
o
= 鈥?5.0V
%V
o
%V
o
%V
o
碌Sec
mV
%
V
in
= +12V, I
o
= I
o
max
V
o
= 鈥?2.5V
V
o
= 鈥?3.3V
V
o
= 鈥?5.0V
V
o
= 鈥?.0/12.0/15.0V
%
Continued
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