IRF ATR2815SF/HB Advanced analog hybrid-high reliability dc/dc converter Datasheet

PD-94551A
ATR28XXT SERIES
28V Input, Triple Output
HYBRID-HIGH RELIABILITY
DC/DC CONVERTERS
Description
The ATR28XXT Series of DC/DC converters provide
30 watts of output power over the full military
temperature range with no derating. These devices
are pin compatible with the ATO series converters but
offer twice the maximum output power in a lower profile
package. A custom CMOS ASIC pulse width modulator
operating at a nominal switching frequency of 550KHz
combined with a unique magnetic feedback reduces
circuit complexity for enhanced reliability. These
converters provide 500 volt input to output isolation
and operate in highly efficient single forward mode.
The advanced feedback design and high operating
frequency provide an extremely wide bandwidth control
loop with high gain and phase margin. This results in
fast dynamic line and load response as well as superior
audio rejection. The control loop is compensated to
provide optimum performance over the full military
temperature range and over the 16 to 40 volt input
voltage range.
ATR
Features
n
n
n
n
n
n
n
n
n
n
30 Watt Output Power
Flexible Output Loading
-55°C to +125°C Operation
Pin Compatible with ATO
0.410” Maximum Height
16 to 40 VDC Input Range
500 Volt Input to Output Isolation
High Audio Rejection
MIL-STD-704 Compatible
Load Fault Protection - Short Circuit and
Overload
n TTL level Compatible Synchronization
These converters are protected against both continuous
output short circuits and output overload. Either load
fault condition will result in operating in a low power
dissipation foldback mode. The converters will shut
down for approximately 15 milliseconds, then attempt
to restart. This cycle will continue indefinitely unless
the load fault is corrected. Recovery to normal operation
is automatic upon removal of the load fault.
Manufactured in a facility full qualified to MIL-PRF38534, these converters are available in four screening
grades to satisfy a wide range of requirements. The CH
grade is fully compliant to the requirements of MILPRF-38534 for class H. The HB grade is processed
and screened to the class H requirement, but element
evaluation and Periodic Inspections (PI) are not
required. Both grades are tested to meet the complete
group “A” test specification over the full military
temperature range without output power deration.
www.irf.com
Two grades with more limited screening are also
available for use in less demanding applications.
Variations in electrical, mechanical and screening
can be limited accomodated. Contact IR Santa
Clara with specific requirements.
1
12/08/04
ATR28XXT Series
Specifications
TCASE = -55°C to +125°C, VIN = +28V ± 5% unless otherwise specified
ABSOLUTE MAXIMUM RATINGS
Input Voltage Range
Power Output
Lead Temperature
Storage Temperature
Test
STATIC CHARACTERISTICS
OUTPUT
Voltage1
1
Symbol
VOUT
Current1,2,3,4
IOUT
Ripple1,5
VRIP
REGULATION
Line1,3
Load1,3
INPUT
Current
Ripple Current4
VRLINE
VRLOAD
IIN
IRIP
EFFICIENCY
EFF
ISOLATION
ISO
Load Fault Power Dissipation3
PD
Switching Frequency
SYNC Frequency Range
FS
FSYNC
Inhibit Open Circuit Voltage
Output Response to
Step transient
Load changes7
Recovery Time Step
Step transient
Load changes7,8
VOI
VOTLOA
D
TTLOAD
-0.5V to 50VDC
Internal limited 37.5W
+300°C
-65°C to 150°C case
Conditions
-55°C ≤ TC ≤ +125°C,
VIN = 28 VDC ±5%, CL=0,
unless otherwise specified
IOUT = 0 (main) +25°C
over temp. range
IOUT = 0 (dual)1 +25°C
over temp. range
VIN = 16, 28, and 40VDC (main)
VIN = 16, 28, and 40VDC
(dual)1
VIN = 16, 28, and 40VDC (dual)
BW = 20Hz to 2MHz (main)
VIN = 16, 28, and 40 VDC
BW = 20Hz to 2 MHz (dual)
ATR2812T
Min
Max
Min
Max
Units
4.95
4.90
±11.88
±11.76
100.0
0.0
5.05
5.10
±12.12
±12.24
4000
±625
4.95
4.90
±14.85
±14.70
100.0
0.0
5.05
5.10
±15.15
±15.30
4000
±500
VDC
VDC
VDC
VDC
mA
mA
60
60
mVp-p
40
40
mVp-p
VIN = 16, 28, and 40 VDC
POUT = .5, 10, 20W (main)
VIN = 16, 28, and 40 VDC(dual)
POUT = 0, 5, 10W (dual)
VIN = 16, 28, and 40 VDC
POUT = .5, 10, 20W (main)
VIN = 16, 28, and 40 VDC
POUT = o, 5, 10W (dual)
IOUT = 0, inhibit (pin 8)
Tied to input return (pin 10)
IOUT = 0, inhibit (pin 8) = open
IOUT = 4000mA (main)
POUT = 10W (dual)
BW = 20Hz to 2MHz
IOUT = 4000mA (main) +25°C
POUT = 10W (dual)
over temp. range
ATR2815T
±25
±25
mV
±60
±75
mV
±50
±50
mV
±60
±75
mV
15
75
50
75
75
72
72
15
75
mA
mA
50
mAp-p
%
Input to output or any pin to case
(except pin 8)at 500 TC=+25°C
Overload
Short circuit
50% load to/from 100% load
no load to/from 50% load
50% load to/from 100% load
No load to/from 50% load
50% load to/from 100% load
No load to 50% load
50% load to no load
100
100
500
500
14
9
600
700
MΩ
W
W
KHz
KHz
13
9
13
V
+500
+1000
200
5
10
-500
-1000
+500
+1000
200
5
10
500
500
14
9
600
700
9
-500
-1000
mVpk
µs
ms
ms
For Notes to Specifications, refer to page 3
2
www.irf.com
ATR28XXT Series
Specifications
TCASE = -55°C to +125°C, VIN = +28V ± 5% unless otherwise specified
ABSOLUTE MAXIMUM RATINGS
Input Voltage
-0.5V to 50VDC
Power Output
Internally limited, 37.5W typical
Soldering
300°C for 10 seconds
Temperature Range 6
Operating
-55°C to +135°C case
Storage
-65°C to +135°C
Test
STATIC CHARACTERISTICS
Output Response to
Transient step9
Line changes10
Symbol
VOTLINE
Recovery Time8
Transient step9
Line changes10
Turn on Overshoot1
TTLINE
Turn on Delay 1, 11
TonD
Load Fault Recovery10
Device weight
TRLF
VTonOS
Conditions
-55°C ≤ TC ≤ +125°C,
VIN = 28 VDC ±5%, CL=0,
unless otherwise specified
Input step 16 from/to 40 VDC
IOUT = 4000mA (main)
POUT = 10W (dual)
Input step 16 from/to 40 VDC
IOUT = 4000mA (main)
POUT = 10W (dual)
IOUT = 0, and 4000mA (main)
POUT = 0, 10W (dual)
IOUT = 0, 4000mA (main)
POUT = 0, 10W (dual)
ATR2812T
Min
Max
ATR2815T
Min
Max
Units
±1500
±1500
mV pk
10
10
ms
1000
1000
mV pk
25
25
65
25
25
65
ms
ms
g
Notes to Specifications
1.
2.
3.
Tested at each output.
Parameter guaranteed byline and load regulation tests.
Although operation with no load is permissible, light loading on the main (+5 volt) output may cause the output voltage of the
auxiliary outputs (±12 volt or ±15 volt) to drop out of regulation. It is therefore recommended that at least 100mA or 20 percent of
the output power, whichever is greater, be taken from the main (+5 volt) output.
4. Total combined output power –30 watts.
5. Bandwidth guaranteed by design. Tested for 20KHz to 2MHz.
6. An overload is that condition with a load in excess of the rated load but less than that necessary to trigger the overload protection
circuit and is the condition of maximum power dissipation.
7. Load step transition time between 2 and 10 microseconds.
8. Recovery time is measured from the initiation of the transient to where VOUT has returned to within ±1 percent of VOUT at 50 percent
load.
9. Input step transition time between 2 to 10 microseconds.
10. Parameter shall be tested as part of design characterization and after design or process changes. Thereafter parameters shall be
guaranteed to the limits specified in the table.
11. Turn on delay time measurement is for either a step application of power at the input or the removal of a ground signal from the
inhibit pin (pin 8) while power is applied to the input.
www.irf.com
3
ATR28XXT Series
ATR28XXT Block Diagram
5 +Vout
1
+Input
8
Enable
7
Case
9
Sync
EMI
Filter
Tracking
Regulator
4 -Vout
Primary
Housekeeping
Supply
2 +Vout
3 Return
Drive
Pulse Width
FB
Modulator
CS
Error
Amp &
Ref
Input
Return
10
4
www.irf.com
ATR28XXT Series
ATR28XXT Case Outline
1.000
0.05
10
8
3
7
2
4
6
1
9
0.040 D X
0.26 L Pins
5
4 X 0.400
=1.600
1.95
2.700
Max
2.360
0.410
Max
1.350
Max
Pin Designation
Pin No.
Designation
1
Positive Input
2
+5VDC Output
3
Output Return
4
Negative Dual Output
5
Positive Dual Output
6
N/C
7
Case Ground
8
Enable Input
9
Sync Input
10
Input Return
www.irf.com
Part Numbering
ATR 28 15 T F / CH
Model
Input Voltage
28 = 28V Nominal
Output Voltage
12 = 5V,±12V:
15 = 5V,±12V:
Screening
–
, ES, HB, CH
Package Style
F = Flange
Outputs
T = Triple
S = Single
D = Dual
5
ATR28XXT Series
Available Screening Levels and Process Variations for ATR28XXT Series
Requirement
Temperature
Range
Element
Evaluation
Internal Visual
Temperature
Cycle
Constant
Acceleration
Burn-in
Final Electrical
(Group A)
Seal, Fine &
Gross
External
Visual
MIL-STD-883
Method
No
Suffix
-20 to +85°C
ES
Suffix
-55°C to +125°C
HB
Suffix
-55°C to +125°C
CH
Suffix
-55°C to +125°C
MIL-PRF-38534
2017
1010,
Cond C
2001,
Cond A
1015
MIL-PRF38534
∗
48hrs @ 85°C
25°C
1014
∗
2009
Yes
Cond B
Yes
Yes
Yes
Yes
500g
5,000 g
5,000 g
48hrs @ 125°C
25°C
160hrs @ 125°C
-55, +25, +125°C
160hrs @ 125°C
-55, +25, +125°C
Yes
Yes
Yes
Yes
Yes
Yes
* Per Commercial Standards
Available Standard Military Drawing (SMD) Cross Reference
Standardized
Military drawing
PIN
5962-9315801HXX
5962-9315801HZX
5962-9215901HXX
5962-9215901HZX
Vendor
CAGE
Code
52467
52467
52467
52467
Vendor
Similar
PIN
ATR2812T/CH
ATR2812TF/CH
ATR2815T/CH
ATR2815TF/CH
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 252-7105
IR SANTA CLARA: 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 12/2004
6
www.irf.com
Similar pages