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参数资料
| 型号： | DHC2815S |
| 厂商： | APEX MICROTECHNOLOGY CORP |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 1 X 1 INCH, 0.350 INCH HEIGHT, HERMETIC SEALED, DIP-8 |
| 文件页数： | 1/5页 |
| 文件大小： | 156K |
| 代理商： | DHC2815S |
APEX MICROTECHNOLOGY CORPORATION TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
47
B
Package Dimensions
1" W x 1" L x .35" H
HI-REL DESIGN
WAVE SOLDERABLE PACKAGE
ALL CERAMIC CAPACITORS
SURFACE MOUNT MAGNETICS
FEATURES
NO DERATING — –55
° C TO +125° C
HIGH ISOLATION — 500V
OUTPUT VOLTAGE ADJUSTMENT STANDARD
REMOTE SHUTDOWN
11 – 50V INPUT @ 5 WATTS OUTPUT
DESCRIPTION
The DHC2812S and DHC2815S DC-DC converters pro-
vides the ruggedness, reliability and features required to meet
the advanced design challenges of today's hi-rel market. This
has been accomplished while retaining a power density of 15
W/in3 and 375 mW/gram of power/package performance. The
use of advanced substrate and reflow soldering techniques
during construction results in a rugged, cost-effective and
completely solderable package.
The DHC2800S hybrid converter series utilizes all ceramic
capacitors, surface mount magnetics, and ultrasonically bonded
wires to provide reliable operation at all operating tempera-
tures while surviving G forces of up to 500 G.
The DHC2800S series standard features include output
fault monitoring and/or turn on voltage point programming via
the shutdown pin. All three functions may be implemented
simultaneously with a minimum of external components. An
output voltage adjustment / load compensation pin which
adjusts outputs simultaneously is also standard. However, the
DHC2800S may be ordered without this feature (/F option).
Fault tolerant design protects these converters from most
external circuit faults. The +output and output adjust pins will
withstand +25 V while the shutdown pin will withstand +50 V,
protecting the converters from a variety of system or board
faults; e.g. solder bridges etc. Unique load fault protection
circuitry allows this converter to pull up loads having difficult
static load line characteristics and allows short term load
excursions significantly beyond ratings in most applications.
A transformer isolated flyback converter topology operating
at a switching frequency of 400 kHz allows operation over a
wide input voltage range. Internal filtering of outputs eliminates
the need for external capacitors in many applications.
The 8-pin DIP package (see Package Outlines) is hermeti-
cally sealed and isolated from the internal circuits. Heat sinking
is recommended for full power operation at elevated ambient
temperatures.
TYPICAL APPLICATION
BLOCK DIAGRAM
EXTERNAL CONNECTIONS
V
IN
R
SP
1
2
6
7
5
4
8
3
DHC2800S
+V
–V
COMMON
10nF
150K
Control
System
SET UV
LOCKOUT
200K
+5V
5K
J174
SHUTDOWN
OPTO
OPERATION
NORMAL
(TTL)
V
TRIM
HTTP://WWW.APEXMICROTECH.COM
(800) 546-APEX
(800) 546-2739
MICROTECHNOLOGY
DHC2800S SERIES 5W/5.4W DC-DC CONVERTERS
DHC2812S DHC2815S
P W M
FEED FORWARD
CONTROLLER
ERROR AMPLIFIER
REFERENCE AND
ISOLATION
4
1
2
6
5
7
1
2
3
4
5
8
7
6
TOP
VIEW
+ OUTPUT
OUTPUT COMMON
NO CONNECTION
ADJUST/COMP*
SHUTDOWN PLUS
CASE
– INPUT
+ INPUT
* Optional N/C on DHC2800S/F
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