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PDF IQ24500HZX10 Data sheet ( Hoja de datos )
| Número de pieza | IQ24500HZX10 | |
| Descripción | Half-brick DC-DC Converter | |
| Fabricantes | SynQor Worldwide Headquarters | |
| Logotipo |  |
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Technical
Specification
IQ24500HZx10
18-36 V
Input
50 V
Output
10 A
Current
The IQ24500HZx10 InQor® Zeta converter is an isolated,
fixed switching frequency DC-DC converter that uses
synchronous rectification to achieve extremely high
efficiency and power density. The 24 Vin modules feature
2,250 Vdc isolation and low common mode noise. The
Zeta series converters offer industry leading useable
output power for any standard “half-brick” module. RoHS
compliant (see last page).
2250 Vdc
Isolation
Half-brick
DC-DC Converter
Operational Features
• Ultra-high efficiency, 94% at full rated load current, 95%
at half rated load current
• Delivers up to 10 A of output current (500 W)
• Wide input voltage range: 18 – 36 V, with 50 V
100 ms input voltage transient capability
• Fixed frequency switching provides predictable
EMI performance
• No minimum load requirement means no preload
resistors required
• Wide output voltage trim range (-50% to +10%),
www.DseaetaStrhimeet4seUc.ctoiomn
Mechanical Features
• Industry standard half-brick pin-out configuration
• Brick size: 2.39" x 2.49" (63.1 x 60.6 mm)
• Total height only 0.512" (13 mm)
• Total weight: 4.3 oz. (123 grams)
Control Features
• On/Off control referenced to input side
IQ24500HZC10 Module
Protection Features
• Input under-voltage lockout disables converter at low
input voltage conditions
• Output current limit and short circuit protection protects
converter and load from damage and consequent
hazardous conditions
• Active back bias limit provides smooth startup with
external load induced pre-bias
• Latching output over-voltage protection protects load
from damaging voltages
• Thermal shutdown protects converter from abnormal
environmental conditions
Safety Features
• 2250 V, 30 MΩ input-to-output isolation
• UL 60950-1:2003, basic insulation
• CAN/CSA-C22.2 No. 60950-1:2003
• EN60950-1:2001
• CE Marked
• RoHS compliant (see Page 12)
Contents
Page No.
Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
IQ24500HZC10 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . 3-4
Standards compliance and Qualification Testing . . . . . . . . . . . . . . . . . . . 4
IQ24500HZC10 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Product # IQ24500HZx10
Phone 1-888-567-9596 www.synqor.com
Doc.# 005-HZC2450 Rev. D 06/16/09
Page 1
1 page  
Technical Specification
100
95
90
85
80
75
70
18 Vin
65 24 Vin
36 Vin
60
0 1 2 3 4 5 6 7 8 9 10
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
10
9
8
7
6
5
4
3 400 LFM (2.0 m/s)
2 300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
1
100 LFM (0.5 m/s)
www.Dat0aSheet4U.com
25 40 55 70
Ambient Air Temperature (°C)
85
Figure 3: Encased converter (without heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from input to output (nominal input voltage).
Input: 18-36 V
Output: 50 V
Current: 10 A (500 W)
Package: Half-brick
60
50
40
30
20
18 Vin
10 24 Vin
36 Vin
0
0 1 2 3 4 5 6 7 8 9 10
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
12
10
8
6
4
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
2 200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25 40 55 70
Ambient Air Temperature (°C)
85
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from input to output (nominal input voltage).
Figure 5: Turn-on transient at full load (resistive load) (10 ms/div).
Ch 1: Vout (10 V/div)
Ch 2: ON/OFF input (5 V/div)
Figure 6: Turn-on transient at zero load (10 ms/div).
Ch 1: ON/OFF input (5 V/div)
Ch 2: Vout (10 V/div)
Product # IQ24500HZx10
Phone 1-888-567-9596 www.synqor.com
Doc.# 005-HZC2450 Rev. D 06/16/09
Page 5
5 Page 
Technical Specification
Input: 18-36 V
Output: 50 V
Current: 10 A (500 W)
Package: Half-brick
Startup Inhibit Period: The Startup Inhibit Period ensures
that the converter will remain off for approximately 200
ms when it is shut down for any reason. When an output
short is present, this generates a 5 Hz “hiccup mode,” which
prevents the converter from overheating. In all, there are
seven ways that the converter can be shut down, initiating a
Startup Inhibit Period:
• Input Under-Voltage Lockout
• Output Over-Voltage Protection
• Over Temperature Shutdown
• Current Limit
• Short Circuit Protection
• Turned off by the ON/OFF input
Figure E shows three turn-on scenarios, where a Startup
Inhibit Period is initiated at t0, t1, and t2:
When the ON/OFF pin goes high after t2, the Startup Inhibit
Period has elapsed, and the output turns on within the
typical Turn-On Time.
Thermal Considerations: The maximum operating base-
plate temperature, TB, is 100 ºC. As long as the user’s
thermal system keeps TB < 100 ºC, the converter can
deliver its full rated power.
A power derating curve can be calculated for any heatsink
that is attached to the base-plate of the converter. It is only
necessary to determine the thermal resistance, RTHBA, of the
chosen heatsink between the base-plate and the ambient air
for a given airflow rate. This information is usually available
from the heatsink vendor. The following formula can the be
used to determine the maximum power the converter can
dissipate for a given thermal condition if its base-plate is to
be no higher than 100 ºC.
Before time t0, when the input voltage is below the UVL
threshold, the unit is disabled by the Input Under-Voltage
Lockout feature. When the input voltage rises above the
UVL threshold, the Input Under-Voltage Lockout is released,
and a Startup Inhibit Period is initiated. At the end of this
delay, the ON/OFF pin is evaluated, and since it is active,
the unit turns on.
Pdmisasx = 100 ºC - TA
RTHBA
This value of power dissipation can then be used in
conjunction with the data shown in Figure 2 to determine
the maximum load current (and power) that the converter
can deliver in the given thermal condition.
At time t1, the unit is disabled by the ON/OFF pin, and it For convenience, Figures 3 and 4 provide Power derating
cannot be enabled again until the Startup Inhibit Period curves for an encased converter without a heatsink and
has elapsed.
with a typical heatsink.
www.DataSheet4U.comVin
Under-Voltage
Lockout Turn-
On Threshold
ON/OFF
(neg logic)
ON OFF ON
Vout
200ms
(typical start-up
inhibit period)
200ms
t0 t1
Figure E: Startup Inhibit Period (turn-on time not to scale)
OFF
200ms
t2
ON
9ms (typical
turn on time)
t
Product # IQ24500HZx10
Phone 1-888-567-9596 www.synqor.com
Doc.# 005-HZC2450 Rev. D 06/16/09
Page 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet IQ24500HZX10.PDF ] | |
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