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参数资料
| 型号： | TWR-3.3/4000-12/625-D48 |
| 元件分类： | 电源模块 |
| 英文描述： | 3-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 2 X 2 INCH, PLASTIC, PACKAGE-7 |
| 文件页数： | 3/5页 |
| 文件大小： | 329K |
| 代理商： | TWR-3.3/4000-12/625-D48 |
3 0 W , T R I P L E O U T P U T D C / D C C O N V E R T E R S
TWR Series
Input
Input Voltage Range:
"D24" Models
18-36 Volts (24V nominal)
"D48" Models
36-75 Volts (48V nominal)
Overvoltage Shutdown:
"D24" Models
38 Volts
"D48" Models
79 Volts
Start-Up Threshold:
"D24" Models
17 Volts
"D48" Models
35 Volts
Undervoltage Shutdown:
"D24" Models
16.5 Volts
"D48" Models
34.5 Volts
Input Current:
Normal Operating Conditions
See Ordering Guide
Standby Mode (Off, OV, UV)
5mA
Input Filter Type
Pi
Reverse-Polarity Protection:
"D24" Models
Brief duration, 10A maximum
"D48" Models
Brief duration, 10A maximum
On/Off Control (Pin 4)
TTL high (or open) = on, low = off
Output
VOUT Accuracy (50% load):
3.3V Output
±1.5%, maximum
±12/15V Outputs
±2%, maximum
Temperature Coefcient
±0.02% per °C
Ripple/Noise (20MHz BW)
See Ordering Guide
Line/Load Regulation
See Ordering Guide
Efciency
See Ordering Guide
Isolation Voltage:
Input-to-Output
1500Vdc, minimum
Input-to-Case
Plastic Case
Output-to-Case
Plastic Case
Isolation Capacitance
600pF
Isolation Resistance
100M
Current-Limit Inception Point:
3.3V Output
5.4 Amps
±12V Outputs
1 Amp
±15V Outputs
1 Amp
Short-Circuit Current:
3.3V Output
TBD mA
±12V Outputs
TBD mA
±15V Outputs
TBD mA
Overvoltage Protection
Zener/transorb clamp, magnetic feedback
Dynamic Characteristics
Transient Response (50% load step)
300sec max. to ±2% of nal value
Start-Up Time:
VIN to VOUT
50msec
On/Off to VOUT
30msec
Switching Frequency
350kHz (+25/–50kHz)
3
Performance/Functional Specications
Typical @ TA = +25°C under nominal line voltage and full-load conditions, unless noted.
Input Voltage:
Continuous:
"D24" Models
44 Volts
"D48" Models
88 Volts
Transient (100msec):
"D24" Models
50 Volts
"D48" Models
100 Volts
Input Reverse-Polarity Protection
Current must be <10 Amps. Brief
duration only. Fusing recommended.
Output Overvoltage Protection:
3.3V Output
3.6 Volts, unlimited duration
Between +12V and –12V Outputs
30 Volts, unlimited duration
Between +15V and –15V Outputs
35 Volts, unlimited duration
Output Current
Current limited. Devices can
withstand sustained output short
circuits without damage.
Case Temperature
+100°C
Storage Temperature
–40 to +105°C
Lead Temperature (soldering, 10 sec.)
+300°C
These are stress ratings. Exposure of devices to any of these conditions may adversely
affect long-term reliability. Proper operation under conditions other than those listed in the
Performance/Functional Specications Table is not implied.
Absolute Maximum Ratings
All units are specied with no external I/O capacitors. "Full load" is dened as 4 Amps
on the primary 3.3V output and ±625/500mA on the auxiliary ±12/15V outputs. This
corresponds to a total output power of approximately 28 Watts.
In order to properly regulate, these converters require no minimum load on their 3.3V
output (though a minimum 10% loading is recommended) and a minimum 10% load on their
±12/15V outputs. Operation under no-load conditions will not damage these devices,
however they may not meet all listed specications. In particular, output ripple/noise may
increase.
See Startup Threshold and Undervoltage Shutdown for details.
See On/Off Control for details. The On/Off Control is available with negative polarity, and it
can also be replaced with an optional Sync function. Contact DATEL for details.
50% load is dened as 2 Amps on the 3.3V output and ±300/250mA on the ±12/15V outputs.
Output noise may be further reduced with the installation of external output capacitors.
See I/O Filtering and Noise Reduction for details.
See Output Current Limiting and Short-Circuit Protection for details.
See Start-Up Time for details.
Environmental
Operating Temperature (Ambient):
Without Derating
–40 to +65°C
With Derating
to +100°C (See Derating Curves)
Case Temperature:
Maximum Allowable
+100°C
Thermal Protection/Shutdown
+105°C typ., +110°C max. case temp.
Storage Temperature
–40 to +105°C
Physical
Dimensions
2" x 2" x 0.48" (51 x 51 x 12.19mm)
Shielding
None
Case Material
Diallyl phthalate, UL94V-0 rated
Pin Material
Brass, solder coated
Weight
TBD ounces (TBD grams)
相关PDF资料 |
PDF描述 |
|---|---|
| TWR-3.3/4000-12/625-D24 | 3-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| TWR-3.3/4000-15/500-D24 | 3-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| TWR-5/3000-12/500-D48A | 3-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| TWR-5/3000-15/500-D48A-C | 3-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| TWR-5/3000-15/500-D12A-C | 3-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
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