RCH28515TE データシートの表示（PDF） - M.S. Kennedy
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RCH28515TE Datasheet PDF : 7 Pages
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SPECIFICATIONS
QCH28515T/RCH28515T
Unless noted: –55°C ≤ TCASE ≤ 125°C, 16Vdc ≤ VIN ≤ 40Vdc, PMAIN = 20W, P+AUX = P-AUX = 5W.
PARAMETER
SYMBOL
TEST
CONDITIONS
GROUP A12
SUBGROUP MIN TYPICAL MAX
CROSS REGULATION
VRCROSS
CURRENT LIMIT
LOAD FAULT POWER
INHIBIT PIN VOLTAGE7
INHIBIT PIN CURRENT7
ISOLATION
ILIM
PD
VENH
VENL
IENH
IENL
RISO
±IAUX
0↔0.33A
IMAIN
0↔4A
Overload6
Short Ckt.
Enabled
Inhibited
Enabled
Inhibited
500V dc
1
2, 3
1
2, 3
1
115
2, 3
1, 2, 3
1, 2, 3 12
0
1, 2, 3 0
650
1, 2, 3 100
5
20
50
150
125
14
6
1200
20
50
75
250
25
16.8
5
10
1800
CAPACITIVE LOAD
CL
INPUT CURRENT RIPPLE2 IRIP
OUTPUT VOLTAGE RIPPLE VRIP
SWITCHING FREQUENCY
SYNC. FREQUENCY
SYNC. PIN VOLTAGE8
SYNC. PIN CURRENT
TURN ON TIME9
FSW
FSYNC
VHI
VLO
ISYNH
ISYNL
TON
1, 2, 3
1
2, 3
1
2, 3
1
2 ,3
4, 5, 6 350
4, 5, 6 300
1, 2, 3 2.4
–
1, 2, 3
4
330
10
100
120
15
30
12
25
400
-400
-500
4
500
22
250
45
90
36
75
450
650
–
0.4
-750
8
TURN ON OVERSHOOT
STEP LOAD TRANSIENT,
RESPONSE
VTON
VTLOAD
CL=0
4
4
CL=0, IMAIN=50↔100% 1
CL=0, IAUX=50↔100% 1
0
-800
500
300
900
+800
750
UNITS
mV
COMMENT
Main
±Aux
%
W
V dc
µA dc
Meg Ω
µF
mA rms
Primary
to Secondary to Case
Main
±Aux
mV rms Main
±Aux
kHz
kHz
V dc
µA dc
mS
mVdc
mVdc
Main
±Aux
Main
±Aux
3
PRELIMINARY Rev. - 5/01
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