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PDF HQA2W085W Data sheet ( Hoja de datos )
| Número de pieza | HQA2W085W | |
| Descripción | DC-DC Power Module | |
| Fabricantes | TDK | |
| Logotipo |  |
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Advance Data Sheet: HQA Power Module – Single Output Quarter Brick
HQA DC-DC Power Module
Series
9-40V Wide Input, 85W Output
Quarter Brick
The HQA Series of dc-dc converters offers
a high performance quarter brick package
with true usable power, a wide range input
voltage operation range, and a broad
selection of operating output voltages. A
rugged package design with encapsulation,
multiple baseplate and testing options
make HQA modules suitable for use in a
wide variety of harsh and demanding
environments.
Features
• Size – 60.6mm x 55.9 mm x 12.7 mm
(2.39 in. x 2.2 in. x 0.5 in.) – flanged
base plate
• Encapsulated for rugged
environments
• Qualification methods consistent with
MIL-STD-883F and MIL-STD-202G
• Through hole pins 4.57mm tail length
• Up to 85W of output
• Negative logic on/off
• Low output noise
• Output voltage adjustment
• Constant switching frequency
• Remote Sense (selected models)
• Fully regulated control loop with no
opto-couplers, allows high
temperature operation
• Full, auto-recovery protection:
o Input under voltage
o Output Over current
Options
• Size - 60.6mm x 39 mm x 12.7 mm
(2.39 in. x 1.54 in. x 0.5 in.) – non-
flanged base plate
©2017 TDK-Lambda Americas Inc.
01/21/17
℡ (800)526-2324
1/27
1 page  
Advance Data Sheet: HQA Power Module – Single Output Quarter Brick
Recommended Hole Pattern: (top view with flange)
(without flange)
Pin Assignment:
PIN FUNCTION
1 Vin(+)
2 On/Off
3 Vin(-)
4 Vo(-)
PIN FUNCTION
5 sense (-), select models
6 Trim
7 sense (+), select models
8 Vo(+)
Pin base material is tellurium copper with tin over nickel plating; the maximum module weight is 100g (3.5oz)
©2017 TDK-Lambda Americas Inc.
01/21/17
℡ (800)526-2324
5/27
5 Page 
Advance Data Sheet: HQA Power Module – Single Output Quarter Brick
HQA2W085W240V: 24V, 3.5A Output
Characteristic
Output Voltage Initial Setpoint
Output Voltage Tolerance
Efficiency
Line Regulation
Load Regulation
Temperature Regulation
Output Current
Output Current Limiting Threshold
Short Circuit Current
Output Ripple and Noise Voltage
Min
23.28
23.04
---
---
---
---
0
---
---
---
Typ
24
24
87
0.05
0.03
0.5
---
5.2
0.1
100
Max
24.72
24.96
---
---
---
---
3.54
---
---
250*
Unit
Vdc
Vdc
%
%
%
%
A
A
A
mVpp
--- 35 --- mVrms
Notes & Conditions
Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Over all rated input voltage, load, and
temperature conditions to end of life
Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Vin=Vin,min to Vin,max
Io=Io,min to Io,max
Tc=Tc,min to Tc,max
Vo = 0.9*Vo,nom, Tc<Tc,max
Vo = 0.25V, Tc = 25˚C
Measured across one 22 uF and one 0.1uF
ceramic capacitor – see input/output ripple
measurement figure; BW = 20MHz
Output Voltage Adjustment Range
90 --- 110 %Vo,nom
Dynamic Response:
Recovery Time
Transient Voltage
--- 1 --- mS
--- 300 --- mV
Output Voltage Overshoot during startup
---
---
5%
Switching Frequency
--- 270 --- kHz
Output Over Voltage Protection
--- 32 --- V
External Load Capacitance
0 --- 1000& uF
Isolation Capacitance
---
0.01
--- uF
Isolation Resistance
10 --- --- MΩ
Ra
36.5
kΩ
Rb
3.01
kΩ
* Engineering estimate
& Contact TDK-Lambda for applications that require additional capacitance or very low esr
Adjustment range is reduced at input
voltages below 12V
di/dt = 0.1A/uS, Vin=Vin,nom; load step
from 50% to 75% of Io,max
Vin=Vin,nom; Io=Io,max,Tc=25˚C
Fixed
Required for trim calculation
Required for trim calculation
©2017 TDK-Lambda Americas Inc.
01/21/17
℡ (800)526-2324
11/27
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet HQA2W085W.PDF ] | |
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