S25-48-3.3 BTCPOWER [Broadband TelCom Power, Inc.], S25-48-3.3 Datasheet - Page 3

• Manufacturer Part Number: S25-48-3.3
• Description: 48Vin 3.3Vout 7A
• Manufacturer: BTCPOWER [Broadband TelCom Power, Inc.]

Absolute maximum rating
Input voltage
Operating case temperature
Storage temperature
Humidity
Input characteristics
Operating input voltage range
Turn on voltage threshold
Turn off voltage threshold
Transient withstand
Maximum input current
Off converter input current
Output characteristics
Output voltage set point
Output voltage line regulation
Output voltage load regulation
Output voltage trim range
Output voltage ripple and noise
Output over power protection
Over-voltage protection
Over-temperature protection
Temperature coefficient
Capacitive Load
Output dynamic characteristics
Startup time
Transient recovery time
Transient peak deviation
Efficiency (see efficiency curve)
100% load efficiency
Isolation characteristics
Isolation voltage (primary to secondary )
Isolation voltage (primary to case)
Isolation voltage (secondary to case)
Isolation resistance
Isolation capacitance
Feature Characteristics
Switching frequency
ON/OFF control (Positive logic)
ON/OFF control (Negative logic)
Output voltage trim range
Calculated MTBF
Weight
Technical Specification
S25-48-3.3, S25-48-3.3N
Electrical Specifications
Ta=25 C, Vin=48V unless otherwise noted.
Tel.: [phone] • Fax: [phone] • www.btcpower.com • Email: [e-mail]
Broadband TelCom Power, Inc. –
Converter On
Converter Off
Converter On
Converter Off
PARAMETER
100% load , 36Vin
20Mz bandwidth, 100% Load, 48Vin
25% load change
25% load change
Transient duration: 100ms
48Vin
36~75 Vin
10%-100%Load
5% to 95% of the output voltage
48 Vin
1minute
1minute
1minute
500VDC, Primary to secondary
Primary to secondary
Percentage of normal output
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
Bellcore @ 50 C
S25-48-3.3N
S25-48-3.3
NOTES
48Vin 3.3Vout 7A
900,000
MIN
100
4.1
10
225
-10
-40
-55
36
-1
-1
0
3
3
0
28(1.0)
TYP
1500
1000
1000
120
100
250
50
48
35
3.3
50
86
PS S25-48-3.3 Rev 3 16-1-04
BTCPower
BTCPower
100,000
MAX
1000
0.83
800
100
100
140
100
+10
100
125
275
0.04
1.2
1.2
75
34
20
4.7
80
95
0.3
0.5
10
7
7
2
P 3 of 11
mV(pk-pk)
UNIT
%/ C
%Vo
g(oz)
VDC
VDC
VDC
KHz
Hrs
mA
M
ms
pF
%
%
%
%
%
%
%
V
V
V
V
V
A
V
V
V
V
V
V
C
C
C
s
F
T M