PAH100S TDK Corporation, PAH100S Datasheet - Page 75
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PAH100S
Manufacturer Part Number
PAH100S
Description
Manufacturer
TDK Corporation
Datasheet
1.PAH100S.pdf
(82 pages)
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・All specifications are subject to change without notice.
PAH
1 Input Voltage Range
Input voltage Range for PAH200H48 Series is indicated
below.
Basically, ripple voltage (Vrpl) which results from rectifica-
tion and filtering of commercial AC line is included within
the input voltage as shown in Fig.1-1.
Ripple voltage must be limited within the voltage described
below.
When this value is exceeded, the output ripple voltage be-
comes large.
Note that abrupt input voltage change may cause the out-
put voltage to fluctuate transitionally.
Also, input voltage waveform peak value must not exceed
above input voltage range.
(Standard Model: Negative Logic type for ON/OFF Control)
Input Fuse
PAH200H48 Series module is not internally fused. To en-
sure safe operation and to receive each Safety Standard
approval, please connect an external fuse (fast-blow type)
as shown in Fig.1-2.
Fuse must be connected to the +Vin side if –Vin side is
used as a ground, or fuse must be connected to –Vin side
if +Vin side is used as a ground.
C1: 1μF, C2: 10μF
To reduce spike noise voltage at the output, connect 1μF
ceramic capacitor and 10µF electrolytic capacitor or tan-
talum capacitor between +V and –V within 50mm distance
from the output terminals.
Also, take note that output spike noise voltage could vary
according to PCB wiring design.
200H
Recommended input fuse current rating:
v
Allowable input ripple voltage: 4Vp-p
Fuse
Input Voltage Range: 36 - 76VDC
Maximum Applied Surge Voltage:
C3
Fig.1-1 Input Ripple Voltage
Fig.1-2 Basic Connection
+
+Vin
-Vin
CNT
PAH200H48: 10A
Time
2. Explanation on Specifications
TRM
+S
+V
+V
-V
-V
-S
100VDC, 100ms
50mm
Vrpl
below 4Vp-p
C1
Input Voltage
Rane
C2
+
t
+
Load
-
Maximum capacitance of electrolytic capacitor that can
be connected between +V and –V, is total 10,000µF.
C3:
Input capacitor C3 is recommended to stabilize to mod-
ule when the module is powered from a high impedance
source.
Select the electrolytic capacitor with low ESR and suffi-
cient allowable ripple current.
Verify actual ripple current value by actual measurement.
Note) 1. Use low impedance electrolytic capacitor with excellent
C4:
When switches or connectors are used between input
source and PAH200H48 Series input terminals, impulse
surge voltage is generated due to input throw-in by switch
on/off or due to inserting/removing of power module from
the active line. For this case, connect an additional elec-
trolytic capacitor C4 as shown in fig.1-3 and fig.1-4.
Also, in-rush current flows at line throw-in.
Therefore, be sure to verify capability of switch or fuse to
withstand I
Reverse input connections
Reverse input polarity would cause module damage.
Fig.1-4 Input Filter with Switch when Plural Power
Recommended capacitor value: 100µF and above
2. When input line inductance becomes excessively high
3. When ambient temperature becomes lower than -20ºC,
Recommended Capacitor: 100µF and above
(Nippon Chemicon LXV Series or equivalent)
temperature characteristics.
due to insertion of choke coil operation of the power
module could become unstable. For this case, in-
crease C3 value more than the value indicated above.
connect two capacitors indicate above in parallel
2
t at line throw-in.
Fig.1-3 Input filter (C4) with Switch
Switch
Switch
(Voltage Rating 100V or above)
(voltage rating 100V or above)
C4
+
C4
+
Fuse
Fuse
Fuse
C3
+
C3
+
C3
+
+Vin
+Vin
+Vin
-Vin
-Vin
-Vin
B-217
PAH