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UHE-1.2/10000-D12N-L2-C PDF预览

UHE-1.2/10000-D12N-L2-C

更新时间: 2024-11-03 07:56:55
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村田 - MURATA /
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14页 1745K
描述
Analog Circuit,

UHE-1.2/10000-D12N-L2-C 数据手册

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UHE Series  
P O W E R E L E C T R O N I C S D I V I S I O N  
Isolated, High Efficiency, ꢀ.6" x 2" 2-ꢀ0 Amp, ꢀ2-30 Watt DC/DC's  
Housed in smaller, ꢀ.6" x 2" x 0.40" (4ꢀ x 5ꢀ x ꢀ0.2mm) packages  
carrying the standard 2" x 2" pinout, C&D's new UHE Series DC/  
DC Converters deliver more current/power (up to ꢀ0A/30W) than  
currently available from either package size.  
FEATURES  
PRODUCT OVERVIEW  
nThe most IOUT/POUT in this format  
nLower priced than bricks  
The UHE ꢀ2-30W Series of high-efficiency, isolated  
DC/DC's provide output power ranging from ꢀ0  
Amps @ ꢀ.2V to 2 Amps @ ꢀ5V. Offering both  
2:ꢀ and 4:ꢀ input voltage ranges, UHE's meet VIN  
requirements from 9 to 75 Volts.  
shortcomings–output reverse conduction.  
All devices feature full I/O fault protection including:  
input overvoltage and undervoltage shutdown,  
precise output overvoltage protection (a rarity on  
low-voltage outputs), output current limiting, short-  
circuit protection, and thermal shutdown.  
nSmall ꢀ.6" x 2" x 0.4" plastic package with  
standard 2" x 2" pinout  
nOutput configurations:  
ꢀ.2/ꢀ.5/ꢀ.8/2.5VOUT @ ꢀ0 Amps  
3.3/5VOUT @ 25 Watts  
Taking full advantage of the synchronous-recti-  
fier, forward topology, UHE's boast outstanding  
efficiency (some models exceed 9ꢀ%) enabling  
full-power operation to ambient temperatures as  
high as +60°C, without air flow. Assembled using  
fully automated, SMT-on-pcb techniques, UHE's  
provide stable no-load operation, excellent line  
( 0.ꢀ%) and load ( 0.ꢀ5%) regulation, quick step  
response (200µsec), and low output ripple/noise  
(50-ꢀ00mVp-p). Additionally, the UHE's unique  
output design eliminates one of the topology's few  
All UHE models incorporate a VOUT Trim function and  
an On/Off Control pin (positive or negative polarity).  
Low-voltage models (ꢀ.2V to 5V) offer optional  
sense pins facilitating either remote load regula-  
tion or current sharing for true N+ꢀ redundancy.  
All models are certified to the BASIC insulation  
requirements of UL/EN60950, and 48VIN (75V max.)  
models carry the CE mark. Selected models are  
RoHS compliant (Reduction of Hazardous Sub-  
stances).  
5/ꢀ2/ꢀ5VOUT @ 30 Watts  
nFive input ranges from 9-75 Volts  
nEfficiencies as high as 9ꢀ.5%  
nStable no-load operation  
nOptional Sense pins for low VOUT  
nThermal shutdown, I/O protected  
nꢀ500 Vdc I/O BASIC Insulation  
nUL/EN60950 certified; CE marked for Q48  
models  
SIMPLIFIED SCHEMATIC  
+INPUT  
(1)  
+OUTPUT  
(6)  
nRoHS compliant  
SWITCH  
CONTROL  
+SENSE  
(5)  
–OUTPUT  
(7)  
OPTO  
ISOLATION  
–SENSE  
(8)  
THERMAL  
SHUTDOWN  
*
–INPUT  
(2)  
OVERVOLTAGE  
COMPARATOR  
PWM  
CONTROLLER  
OPTO  
ISOLATION  
REFERENCE &  
ERROR AMP  
V
OUT TRIM  
(9)  
UVLO & OVLO  
COMPARATORS  
ON/OFF  
CONTROL  
(4)  
Optional comparator feedback. Contact DATEL.  
Sense pins are optional on ꢀ.2-5VOUT models ("R" suffix).  
*One phase of two is shown.  
Typical topography is shown.  
For full details go to  
www.cd4power.com/rohs  
DC/DC CONVERTERS  
MDC_UHE_A01 Page ꢀ of ꢀ4  
www.cd4power.com  

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