ASAP2805S 반도체 회로 부품 판매점
HIGH RELIABILITY HYBRID DC-DC CONVERTERS
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 IRF |
PD-97731
HIGH RELIABILITY
HYBRID DC-DC CONVERTERS
ASAP SERIES
28V Input, Single and Dual Output
Description
The ASAP Series of DC-DC converters are high
reliability thick film hybrid converters that use flyback
topology operating at a nominal frequency of 550KHz.
High input to output isolation is achieved through the
use of transformers in the flyback power and feedback
circuits.
The advanced feedback design provides fast loop
response for superior line and load transient
characteristics and offers greater reliability than devices
incorporating optical feedback circuits.
This device is designed to meet MIL-STD-704D input
requirements offering full performance over a wide 15
to 50 volt input range and output power of up to 6.0 watts.
Connecting the inhibit pin (pin 5) to the input common
(pin 7) will cause the converter to shut down. It is
recommended that the inhibit pin be driven by an open
collector device capable of sinking at least 400µA. The
open circuit voltage of the inhibit pin is 11.5 ±0.5 volts.
These converters are manufactured in a facility fully
qualified to MIL-PRF-38534. All processes used to
manufacture these converters have been qualified
thereby enabling International Rectifier to deliver fully
compliant devices. Four standard temperature grades
are offered with the screening options. Refer to
Screening Level section. The CH grade converters
are fully compliant to MIL-PRF-38534 for class H. The
HB grade converters are processed with the same
screening as the CH grade, but do not have class H
element evaluation as required by MIL-PRF-38534.
These two grades are fully tested and operate over the
full military temperature range without derating of output
power. A commercial grade is also available.
Variations in electrical, mechanical and screening
requirements can be accommodated. Extensive
computer simulation using complex modeling allows
design modifications to be examined. Contact IR San
Jose with specific requirements.
www.irf.com
ASAP
Features
n Up To 6.0 Watt Output Power
n Availabe in Single and Dual Output Configurations
Single Outputs: 5V, 12V and 15V
Dual Outputs: ± 5V, ± 12V and ± 15V
n High Reliability
n Wide Input Voltage Range, 15 To 50 Volts
n Indefinite Short Circuit and Overload Protection
n Popular Industry Standard Pin-Out
n Military Screening Available
n Parallel Seam Welded Package
n No External Capacitors Required
n Input Voltage Surge Protected to MIL-STD-704A
80V, 1 second
n Under Voltage Lockout
1
10/11/11
http://www.Datasheet4U.com
ASAP Series
Absolute Maximum Ratings
Input Voltage
Power Output
Soldering Temperature
Temperature Range
-0.5V to 50V Continous, 80V for 1 second
Internally limited
300°C for 10 seconds
Operating
-55°C to +125°C Case
Storage
-65°C to +150°C
TEST
Output voltage
Conditions
-55° ≤ TC ≤ +125°C
VIN = 28V dc ±5% CL = 0
unless otherwise specified
IOUT = 0
Output current 1
Output ripple voltage 2
VIN = 15, 28, and 50 V dc
VIN = 15, 28 and 50 V dc
Line regulation
Load regulation
Input current
Input ripple current 2
Efficiency
VIN = 15, 28, and 50 V dc
IOUT = 0, 50%, 100% IMAX
VIN = 15, 28, and 50 V dc
IOUT = 0, 50%, 100% IMAX
IOUT = 0 Pin 5 to Pin 7
IOUT = 0 Pin5 open
IOUT = IMAX
IOUT = IMAX
Isolation - Input to
output or any pin to
case
Capacitive load 3, 4
Power dissipation, load
fault
Switching frequency 4
Output response to step
transient load changes
6
VTEST 500 Vdc, Tc= +25°C
No effect on dc
performance, Tc = +25°C
Overload 5
Short circuit
IOUT = IMAX
Ù½ IMAX IMAX
Ù0 mA IMAX
Recovery time, step
transient load changes
Output response
transient step line
changes 4 8
Recovery time transient
step line changes 4, 7, 8
Turn on overshoot
Turn on delay 9
Load fault recovery 4
IOUT = IMAX
Ù0 mA ½ IMAX
ÙInput step 15 50 V dc
IOUT = IMAX
ÙInput step 15 50 V dc
IOUT = IMAX
IOUT = 0 mA, IMAX
IOUT = 0 or IMAX
Group A
Subgroups
1
2, 3
1, 2, 3
1
2, 3
1
2, 3
1
2, 3
1, 2, 3
1, 2, 3
1
2, 3
1
4
1, 2, 3
4, 5, 6
4
5, 6
4
5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
ASAP2805S/xx
Min Max
4.95 5.05
4.90 5.10
1200
60
100
±25
±50
±25
±50
18
50
100
66
100
500
-300
-450
-500
-750
-500
500
5.0
2.0
600
+300
+450
+500
+750
200
1.0
500
800
600
20
20
ASAP2812S/xx
Min
11.88
11.76
71
68
100
Max
12.12
12.24
500
60
100
±25
±50
±25
±50
18
50
100
500
-450
200
5.0
2.0
600
+450
-750
-1000
+750
100
1.0
1000
800
750
25
25
ASAP2815S/xx
Min
14.85
14.70
71
68
100
Max
15.15
15.30
400
60
100
±25
±50
±25
±50
18
50
100
500
-450
200
5.0
2.0
600
+450
-750
-1000
+750
100
1.0
1000
800
750
25
25
Unit
V
mA
mV PP
mV
mV
mA
mA PP
%
MΩ
µF
W
KHz
mV pk
µs
ms
mV pk
µs
mV pk
ms
ms
For Notes to Specifications, refer to page 3
2
www.irf.com
http://www.Datasheet4U.com
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ASAP2805S converter
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