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13
MOSFET = NTHS4101PT1
C1 = N/C
Load = 50 W
(See Figure 3)
V
CNTRL
V
Load
Figure 15. Typical Turn−on Time CNTRL (NCP346SN1)
Figure 16. Typical Turn−on Time CNTRL (NCP346SN2)
MOSFET = NTHS4101PT1
C1 =N/C
Load = 50 W
(See Figure 3)
V
CNTRL
V
Load
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14
THIN SOT−23−5 POWER DISSIPATION
The power dissipation of the Thin SOT−23−5 is a function
of the pad size. This can vary from the minimum pad size for
soldering to a pad size given for maximum power
dissipation. Power dissipation for a surface mount device is
determined by T
J(max)
, the maximum rated junction
temperature of the die, R
q
JA
, the thermal resistance from the
device junction to ambient, and the operating temperature,
T
A
. Using the values provided on the data sheet for the
Thin SOT−23−5 package, P
D
can be calculated as follows:
P
D
+
T
J(max)
–T
A
R
qJA
The values for the equation are found in the maximum
ratings table on the data sheet. Substituting these values into
the equation for an ambient temperature T
A
of 25°C, one can
calculate the power dissipation of the device which in this
case is 400 milliwatts.
P
D
+
150°C–25°C
300°CńW
+ 417 milliwatts
The 300°C/W for the Thin SOT−23−5 package assumes
the use of the recommended footprint on a glass epoxy
printed circuit board to achieve a power dissipation of
417mw.
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15
PACKAGE DIMENSIONS
THIN SOT−23−5
SN SUFFIX
CASE 483−02
ISSUE E
NOTES:
1 DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2 CONTROLLING DIMENSION: MILLIMETER.
3 MAXIMUM LEAD THICKNESS INCLUDES
LEAD FINISH THICKNESS. MINIMUM LEAD
THICKNESS IS THE MINIMUM THICKNESS
OF BASE MATERIAL.
4 A AND B DIMENSIONS DO NOT INCLUDE
MOLD FLASH, PROTRUSIONS, OR GATE
BURRS.
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 2.90 3.10 0.1142 0.1220
B 1.30 1.70 0.0512 0.0669
C 0.90 1.10 0.0354 0.0433
D 0.25 0.50 0.0098 0.0197
G 0.85 1.05 0.0335 0.0413
H 0.013 0.100 0.0005 0.0040
J 0.10 0.26 0.0040 0.0102
K 0.20 0.60 0.0079 0.0236
L 1.25 1.55 0.0493 0.0610
M 0 10 0 10
S 2.50 3.00 0.0985 0.1181
0.05 (0.002)
123
54
S
A
G
L
B
D
H
C
K
M
J
__ _ _
0.7
0.028
1.0
0.039
ǒ
mm
inches
Ǔ
SCALE 10:1
0.95
0.037
2.4
0.094
1.9
0.074
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
NCP346/D
PUBLICATION ORDERING INFORMATION
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For additional information, please contact your local
Sales Representative

NCP346SN1T1G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Supervisory Circuits 4.45V Overvoltage Supervisor
Lifecycle:
New from this manufacturer.
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