鈥?/div>
SLTS124
9 AMP 5V STEP-DOWN INTEGRATED
SWITCHING REGULATOR
(Revised 1/21/2000)
Single Device 9A Output
Input Voltage Range: 4.5V to 6.0V
Adjustable Output Voltage
90% Efficiency
Remote Sense Capability
Standby Function
Over-T
emperature Protection
The PT6610 series is a high per-
formance +5V family of 14-Pin SIP
(Single In-line Package) Integrated
Switching Regulators (ISRs), designed
for stand alone operation in applica-
tions requiring as much as 9A of
output current.
Only two external capacitors are
required for proper operation. Please
note that this product does not include
short circuit protection.
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
Heat Spreader
with Side Tabs
Function
Remote Sense
Do not connect
STBY*-Standby
PT6611!
PT6613!
= +3.3 Volts
= +2.5 Volts
Standard Application
V
o
ADJ
14
1
11,12,13
V
o
S E N S E
V
in
V
in
V
in
GND
GND
GND
GND
V
out
V
out
V
out
V
out
Adjust
Vertical Through-Hole
P
Horizontal Through-Hole
D
Horizontal Surface Mount
E
R
G
B
V
IN
4,5,6
PT6610
3
7,8,9,10
V
OUT
+
+
C
IN
STBY
C
OUT
LOAD
Q1
COM
Pkg Style 400
Note: Back surface
of product is
conducting metal.
COM
PT6610
C
1
= Required 330碌F electrolytic
(1)
C
2
= Required 330碌F electrolytic
(1)
Q
1
= NFET-or Open Collector Gate
Specifications
Characteristics
(T
a
= 25擄C unless noted)
Output Current
Input Voltage Range
Output Voltage T
olerance
Output Voltage Adjust Range
PT6610 SERIES
Symbols
I
o
V
in
鈭哣
o
V
oadj
Reg
line
Reg
load
V
n
t
tr
V
os
畏
Conditions
T
a
= 60擄C, 200 LFM, pkg P
T
a
= 25擄C, natural convection
0.1A
鈮?/div>
I
o
鈮?/div>
9.0A
V
in
= +5V, I
o
= 9.0A
T
a
= 0擄C to 65擄C
Pin 14 to V
o
or ground
V
in
min=+4.5V or V
o
+1.2V
(whichever is greater)
4.5V
鈮?/div>
V
in
鈮?/div>
6.0V, I
o
= 9.0A
4.5V
鈮?/div>
V
in
鈮?/div>
6.0V, I
o
= 9.0A
V
in
= +5V, 0.1
鈮?/div>
I
o
鈮?/div>
9.0A
V
in
= 5V, I
o
= 9.0A
I
o
step between 4.0A and 9.0A
V
o
over/undershoot
V
in
= +5V, I
o
= 3.0A
V
in
= +5V, I
o
= 9.0A
V
o
V
o
V
o
V
o
= +3.3V
= +2.5V
= +3.3V
= +2.5V
V
o
= +3.3V
V
o
= +2.5V
V
o
= +3.3V
V
o
= +2.5V
V
o
= +3.3V
V
o
= +2.5V
V
o
= +2.5/3.3V
Min
0.1
0.1
4.5
V
o
-0.1
2.25
1.80
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
475
鈥?0
鈥?/div>
-40
(3)
(2)
(2)
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鹵7
鹵7
鹵17
鹵13
50
100
150
90
88
86
83
600
鈥?/div>
25
鈥?/div>
Max
9.0
7.0
6.0
V
o
+0.1
4.20
3.50
鹵17
鹵13
鹵33
鹵25
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
725
+85
(4)
鈥?/div>
+125
Units
A
A
V
V
mV
mV
mVpp
碌Sec
mV
%
%
kHz
擄C
擄C/W
擄C
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
2
= 330碌F
Efficiency
Switching Frequency
Absolute Maximum
Operating T
emperature Range
Thermal Resistance
Storage T
emperature
茠
o
T
a
4.5V
鈮?/div>
V
in
鈮?/div>
6.0V
0.1A
鈮?/div>
I
o
鈮?/div>
9.0A
Free Air Convection (40-60 LFM)
Over V
in
and I
o
ranges with heat tab
Free Air Convection (40-60 LFM)
鈥?/div>
胃
ja
T
s
Continued
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.ti.com/powertrends
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