Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
N-Channel Silicon MOSFET
DC/DC Converter Applications
Ordering number:ENN6423
2SK2977LS
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
31000TS (KOTO) TA-2275 No.64231/4
Specifications
Absolute Maximum Ratings
at Ta = 25C
Package Dimensions
unit:mm
2078B
[2SK2977LS]
C
C
Electrical Characteristics
at Ta = 25C
1 : Gate
2 : Drain
3 : Source
SANYO : TO220FI-LS
Tc=25C
Continued on next page.
Features
Low ON resistance.
4V drive.
3.5
7.2
16.0
16.1
3.6
10.0
0.9
1.2
14.0
0.75
4.5
2.8
0.6
1.2
2.4
2.55
2.55
1
2
3
3.2
0.7
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m
2SK2977LS
No.64232/4
Continued from preceding page.
Switching Time Test Circuit
PW=10
s
D.C.
1%
10V
0V
VIN
P.G
50
G
S
ID=18A
RL=0.83
VDD=15V
VOUT
VIN
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2
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1
V
--60
40
--40
--20
120
20
60
80
100
160
140
0
30
25
20
15
10
5
0
0
0.2
0.1
0.4
0.3
0.6
0.5
0.8
0.7
1.0
0.9
ID -- VDS
10.0V
3.0V
4.0V
6.0V
8.0V
VGS=2.5V
IT01054
Tc=75
C
25
C
--25
C
30
25
20
15
10
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
ID -- VGS
VDS=10V
IT01055
50
40
45
30
35
20
25
10
15
5
4
7
2
6
3
8
9
10
RDS(on) -- VGS
Tc=25
C
ID=18A
IT01056
30
25
40
35
20
15
10
5
0
RDS(on) -- Tc
I D=18A, V
GS
=4V
ID=18A, V
GS
=10V
IT01057
Drain Current,
I
D
A
Drain-to-Source Voltage, V
DS
V
Drain Current,
I
D
A
Gate-to-Source Voltage, V
GS
V
Gate-to-Source Voltage, V
GS
V
Static Drain-to-Source
On-State Resistance,
R
DS
(on)
m
Static Drain-to-Source
On-State Resistance,
R
DS
(on)
m
Case Temperature, Tc C
2SK2977LS
No.64233/4
2
3
5
7
2
3
5
7
2
3
5
7
td(on)
td(off)
tr
tf
1000
100
10
0.1
1.0
2
3
5
7
2
3
5
7
10
100
SW Time -- ID
VDD=15V
VGS=10V
IT01060
10000
1000
100
7
5
3
2
7
5
3
2
0
5
10
15
20
25
30
Ciss, Coss, Crss -- VDS
f=1MHz
Ciss
Coss
Crss
IT01061
10
9
8
7
6
5
4
3
2
1
0
0
5
10
15
20
25
30
35
40
VGS -- Qg
VDS=10V
ID=18A
IT01062
2
3
5
7
2
3
5
7
1000
100
2
3
5
7
10
2
3
5
7
1.0
0.1
0.1
2
3
5
7 1.0
2
3
5
7
2
3
5
7
10
100
A S O
IT01063
ID=30A
100ms
100
s
10ms
1ms
Operation in this
area is limited by RDS(on).
DC operation
IDP=120A
40
30
20
10
35
25
15
5
0
0
20
40
60
80
100
120
140
160
PD -- Tc
IT01064
2.5
2.0
1.5
1.0
0.5
0
0
20
40
60
80
100
120
140
160
PD -- Ta
IT01065
100
10
1.0
0.1
0.01
100
1.0
10
0.1
2
2
3
5
7
2
3
5
7
2
3
5
7
2
3
5
7
2
3
5
7
2
3
5
7
2
3
5
7
3
5 7
2 3
5 7
2 3
5 7
2 3
5 7
y
fs
-- ID
VDS=10V
75
C
25
C
Tc=-
-25
C
IT01058
100
10
1.0
0.1
0.01
0.2
0
0.4
0.6
0.8
1.2
1.0
IF -- VSD
IT01059
VGS=0
--
2
5
C
25
C
Tc=75
C
Forward Transfer Admittance,
|
y
f
s|
S
Drain Current, I
D
A
Forward Current,
I
F
A
Diode Forward Voltage, VSD V
Switching
Time,
SW
Time
n
s
Drain Current, I
D
A
Ciss, Coss, Crss
p
F
Drain-to-Source Voltage, V
DS
V
Tc=25
C
Single pulse
Drain-to-Source Voltage, V
DS
V
Drain Current
,I
D
A
Allowable Power Dissipation,
P
D
W
Allowable Power Dissipation,
P
D
W
Ambient Temperature, Ta C
Case Temperature, Tc C
Gate-to-Source Voltage,
V
GS
V
Total Gate Charge, Qg nC
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be expor ted without obtaining the expor t license from the author ities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co. , Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed for volume production. SANYO believes information herein is accurate and reliable, but
no guarantees are made or implied regarding its use or any infringements of intellectual property rights
or other rights of third parties.
This catalog provides information as of March, 2000. Specifications and information herein are subject to
change without notice.
2SK2977LS
PS No.64234/4
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