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 HYBRID IC
PRELIMINARY
Notice: This is not a final specification Some parametric limits are subject to change
YS123DD-12
HYBRID IC FOR ON-BOARD POWER SUPPLY
DESCRIPTION
The YS123DD-12 is a thin-profile and lightweight dual-output DC-DC converter. Its output power is 3W and the input is insulated from the output. With an over-current protection circuit built-in, the YS123DD-12 is an optimum solution for onboard power supplies in FA, OA, and control equipment.
1 2 +Vin
OUTLINE DRAWING
Pin name 123D12 +Vo COM -Vo -Vin 34.0
Dimensions: mm
7.62 5 4 3 7.62 15.24 22.0 8.5 1.0
FEATURES
*Input voltage range: 9 to 18V DC *Output: 12V, 130A (output power: 3.12W) *Thin-profile and lightweight design *Insulation between input and output: 500V DC, 1min *Built-in over-current protection circuit
APPLICATIONS
Best suited to onboard power supplies in FA, OA, and control equipment.
29.21
BLOCK DIAGRAM
+VIN
1 LC FILTER LC FILTER
5
+VO
BASE DRIVER LC FILTER
OVER-CURRENT PROTECTION CIRCUIT
4
CONSTANT -VOLTAGE CIRCUIT
COM
-VIN
2
OPTOCOUPLER
3
-VO
HYBRID IC
PRELIMINARY
Notice: This is not a final specification Some parametric limits are subject to change
YS123DD-12
HYBRID IC FOR ON-BOARD POWER SUPLY
MAXIMUM RATINGS (unless otherwise noted, Ta=25C) Symbol VIN IO1 IO2 PO Topr Tstg Viso Output power Operating temperature Storage temperature Input-output isolation voltage Parameter Input voltage Output current Between pins 4 and 3 130 3.12 -10 ~ +70 -20 ~ +85 500 W C C V Conditions Between: pins 2 and 1 Between pins 5 and 4 Ratings 18 130 mA Unit V
--
No condensation (*1) No condensation DC, 1min
(*1) Please refer to derating curve.
ELECTRICAL CHARACTERISTICS (unless otherwise noted, VIN=12V, Ta=25C) Symbol VIN VO1 VO2 Reg-I Reg-L VP-P Input regulation Load regulation Ripple voltage Efficiency Parameter Input voltage Output voltage Test conditions Recommended range IO1=0 ~ 130mA IO2=0 ~ 130mA IO1,IO2=130mA, VIN=9 ~ 18V IO=0 ~ 130mA IO1,IO2=130mA IO1,IO2=130mA Limits MIN. 9.0 11.4 -12.6 TYP. 12.0 12.0 -12.0 MAX. 18.0 12.6 -11.4 60 600 120 mV mV mV % Unit V V
-- -- -- --
-- -- --
74
--
TEST CIRCUIT DIAGRAM
+VIN 1
+VOUT 5 COM 4 IO2 V VO2 IO1 V VO1
VIN
YS123DD-12
2 -VIN
3 -VOUT
2
HYBRID IC
PRELIMINARY
Notice: This is not a final specification Some parametric limits are subject to change
YS123DD-12
HYBRID IC FOR ON-BOARD POWER SUPLY
TYPICAL CHARACTERISTICS
DERATING CHARACTERISTICS 150 LOAD CURRENT IO1, IO2 (mA) 120 90 60 30 0 -10 10 30 50 70 90 OPERATING TEMPERATURE Topr (C) EFFICIENCY - LOAD CURRENT CHARACTERISTICS 110 OUTPUT VOLTAGE VO1 (V) 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 0 40 80 120 160 200 LOAD CURRENT IO1 (mA) 240 VIN=12V Ta=25C OUTPUT VOLTAGE - LOAD CURRENT CHARACTERISTICS (VO1)
100 90 80
100 90 80 EFFICIENCY (%) 70 60 50 40 30 20 10 0 240 8
EFFICIENCY - INPUT VOLTAGE CHARACTERISTICS
EFFICIENCY (%)
70 60 50 40 30 20 10 0 0 40 80 120 160 200 LOAD CURRENT IO1, IO2 (mA) OUTPUT VOLTAGE - INPUT VOLTAGE CHARACTERISTICS VIN=12V Ta=25C
IO1=IO2=130mA Ta=25C 10 12 14 16 INPUT VOLTAGE VIN (V) 18 20
16.0 OUTPUT VOLTAGE VO1 (V) 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 0
1000 900 INPUT CURRENT IIN (mA) 800 700 600 500 400 300 200 100 0 0 2
INPUT CURRENT - INPUT VOLTAGE CHARACTERISTICS IO1=IO2=130mA Ta=25C
IO1=IO2=130mA Ta=25C
2
4
6
8
10 12 14 16 18 20
4
6
8
10
12
14 16
18
20
INPUT VOLTAGE VIN (V)
INPUT VOLTAGE VIN (V)
3
HYBRID IC
PRELIMINARY
Notice: This is not a final specification Some parametric limits are subject to change
YS123DD-12
HYBRID IC FOR ON-BOARD POWER SUPLY
FOR SAFETY USING
Great detail and careful attention are given to the production activity of Hics, such as the development, the quality of production, and in it's reliability. However the reliability of Hics depends not only on their own factors but also in their condition of usage. When handling Hics, please note the following cautions. CAUTIONS Packing The materials used in packing Hics can only withstand normal external conditions. When exposed to outside shocks, rain and certain environmental contaminators, the packing materials will deteriorates. Please take care in handling. 1) 2) 3) 4) 5) Don't stack boxes too high. Avoid placing heavy materials on boxes. Boxes must be positioned correctly during transportation to avoid breakage. Don't throw or drop boxes. Keep boxes dry. Avoid rain or snow. Minimal vibration and shock during transportation is desirable.
Carrying
Storage
When storing Hics, please observe the following notices or possible deterioration of their electrical characteristics, risk of solderability, and external damage may occur. 1) Devices must be stored where fluctuation of temperature and humidity is minimal, and must not be exposed to direct sunlight. Store at the normal temperature of 5 to 30 degrees Celsius with humidity at 40 to 60%. 2) Avoid locations where corrosive gasses are generated or where much dust accumulates. 3) Storage cases must be static proof. 4) Avoid putting weight on boxes. When extended storage is necessary, Hics must be kept non-processed. When using Hics which have been stored for more than one year or under severe conditions, be sure to check that the exterior is free from flaw and other damages. To prevent any electrical damages, use Hics within the maximum ratings. current, voltage, etc. must not exceed these conditions. The temperaqture,
Extended storage
Maximum ratings Polarity
To protect Hics from destruction and deterioration due to wrong insertion, make sure of polarity in inserting leads into the board holes, conforming to the external view for the terminal arrangement.
4
HYBRID IC
PRELIMINARY
Notice: This is not a final specification Some parametric limits are subject to change
YS123DD-12
HYBRID IC FOR ON-BOARD POWER SUPLY
Marketing division, Marketing plannning department
6-41 Tsukuba, Isahaya, Nagasaki, 854-0065 Japan
Keep safety first in your circuit designs! ISAHAYA Electronics Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropreate measures such as (1)placement of substitutive, auxiliary circuits, (2)use of non-flammable material or (3)prevention against any malfunction or mishap. Notes regarding these materials These materials are intended as a reference to our customers in the selection of the ISAHAYA products best suited to the customer's application; they don't convey any license under any intellectual property rights, or any other rights, belonging to ISAHAYA Electronics Corporation or a third party. ISAHAYA Electronics Corporation assumes no responsibility for any damage, or infringement of any third party's rights, originating in the use of any product data, diagrams, charts or circuit application examples contained in these materials. All information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, and are subject to change by ISAHAYA Electronics Coporation without notice due to product improvements or other reasons. It is therefore recommended that customers contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor for the latest product infomation before purchasing a product listed herein. ISAHAYA Electronics Corporation products are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake. Please contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor when considering the use of a product contained herein for any specific perposes, such as apparatus or systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use. The prior written approval of ISAHAYA Electronics Corporation is necessary to reprint or reproduce in whole or in part these materials. If these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited. Please contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor for further details on these materials or the products contained therein.
5
Nov.2002


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