Datasheet
STANDARD APPLICATION
2
4
6
8
19 20
11
9
Margin Up
V
I
Track
+Sense
+
PTH12040W
V
I
V
I
UVLO Prog
Margin Down
18
Track
12
15
14
V
O
V
O
V
O
–Sense
7 1
Inhibit
17
GND
3 5 10 13 16
GNDGND GND GND GND
V
O
Adjust
Track
Margin Up
Margin Down
C
I
560 mF
(Required)
R
SET
1%
0.05 W
L
O
A
D
+Sense
C
O
1
330 mF
(Required)
C
O
2
330 mF
(Required)
+ +
V
O
–Sense
GND
GND
V
I
Inhibit
UDG-08112
ABSOLUTE MAXIMUM RATINGS
PTH12040W
SLTS237G – DECEMBER 2004 – REVISED MARCH 2009 ...............................................................................................................................................
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
A. R
SET
= Required to set the output voltage higher than the minimum value (see the elcetrical characheristics for
values.)
B. C
I
= Required 560- µ F electrolytic capacitor. 1000 µ F recommended.
C. C
O
= Required 660- µ F (or 680 µ F) electrolytic capacitor.
ORDERING INFORMATION
For the most current package and ordering information, see the Package Option Addendum at the end of this datasheet, or see
the TI website at www.ti.com.
over operating free-air temperature range (unless otherwise noted)
UNIT
Signal input voltages Track control (pin 18) – 0.3 V to V
I
+ 0.3 V
T
A
Operating temperature range over V
I
range – 40 ° C to 85 ° C
PTH12040WAH
Wave solder Surface temperature of module body or pins
T
wave
260 ° C
(1)
temperature (5 seconds maximum)
PTH12040WAD
PTH12040WAS 235 ° C
(1)
Solder reflow
T
reflow
Surface temperature of module body or pins
temperature
PTH12040WAZ 260 ° C
(1)
T
stg
Storage temperature Storage temperature of module removed from shipping package – 55 ° C to 125 ° C
T
pkg
Packaging temperature Shipping Tray storage or bake temperature 45 ° C
Mechanical shock Per Mil-STD-883D, Method 2002.3, 1 msec, 1/2 Sine, mounted 500 G
Mechanical vibration Mil-STD-883D, Method 2007.2, 20 – 2000 Hz 15 G
Weight 17 grams
Flammability Meets UL94V-O
(1) During the soldering process, do not elevate peak temperature of the module, pins, or internal components above the stated maximum.
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