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| 型號： | 12S5.1000WF |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 170K |
| 代理商： | 12S5.1000WF |
A
5
CALEX
FaxFACTS:
101
1997
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 Fax (510) 687-3333
NOTES:
*
All parameters measured at Tc=25°C, nominal input voltage
and full rated load unless otherwise noted. Refer to the
CALEX Application Notes for the definition of terms,
measurement circuits and other information.
(2)
Peak to Peak input reflected ripple is equal to the DC output current
when measured into a zero impedance source resistance. For
reduced input ripple use the suggested input filter circuit.
(3)
For long term short circuit protection of the converters, install a
slow blow fuse in the input circuit. Choose a fuse size that is 125%
of your applications actual input current and does not exceed
115% of the full load input current.
(4) No minimum load required.
(5) Short term stability is specified after a 30 minute warmup at full load,
constant line and recording the drift over a 24 hour period.
(6) After a 25% step change of the load, the output voltage will be within
±1% of the final value within the transient response time.
(7)
Dynamic response is the peak overshoot during a transient as
defined in note 4 above.
(8)
The input ripple rejection is specified for DC to 120 Hz ripple with
a modulation amplitude of 1% of Vin.
(9)
For module protection only, see also note 3.
(10) Case is tied to pin 1. Input and output commons are connected
internally.
(11) The functional temperature range is intended to give additionaldata
for evaluating this power supply. At the low functional temperature
the power supply will function with no side effects, however,
sustained operation at the high functional temperature will reduce
expected operational life. The data sheet specifications are not
guaranteed over the functional temperature range.
(12) The case thermal impedance is the case temperature rise over
ambient per watt dissipated.
Figure 1. CONNECTIONS FOR OUTPUT TRIM
Figure 2. INPUT FILTER CIRCUIT
This circuit will reduce the input reflected ripple of the WF Series to 30
mA P-P(0-20 MHz bw). L1 is 10 turns wound on a MICROMETALS
T30-26 core or any 6-10 H, 1 amp inductor. C1 and C2 are Panasonic
47F, 35V, HF capacitors (ECE-A1VF470R) or equivalent.
NOTE: For lowest noise operation use single point grounding to pin 5
for both input and output circuits.
5 Watt WF Single Output Series DC/DC Converters
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TRIMPOT
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L1
12S5.1000WF
7 - 32
VDC
+
C1 C2
2
1
3
4
5
LOAD
+IN
-IN
+OUT
TRIM
CMN
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