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參數(shù)資料
| 型號(hào)： | UNR-3.3/10-D12SM |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT 33 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 239K |
| 代理商： | UNR-3.3/10-D12SM |
DATEL, Inc., Manseld, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
Single Output
UNR D5/D12 Series
Features
Figure 1. Simplied Schematic
INNOVATION and EXCELLENCE
As supply voltages trend lower and load currents increase, centralized power
becomes more impractical. The tight accuracy, low noise and quick transient
response demanded by today's low voltage CPU's, ASIC's and DSP's make power
processing at the point of use the only viable solution. The UNR 18-33W series
provides a complete line of non-isolated DC/DC converters to satisfy this require-
ment. With input voltages of 5V (-D5 models) and 12V (-D12 models) these convert-
ers offer standard output voltages of 1.8, 2.5 and 3.3 Volts and up to 10 Amps of
output current in both through-hole and surface-mount 1" x 2" metal cases.
With on/off control and output voltage trim capability as standard features, these
non-isolated converters exploit full synchronous rectication, planar magnetics, and
100% automated assembly to deliver high efciencies (to 91%) and low noise at
low cost.
These versatile DC/DC’s are fully line and load regulated. They feature quick
transient response (50sec), user-optional on/off control (for power sequencing),
and output overcurrent detection and shutdown ("hiccup" technique with auto-
recovery). Their impressive guaranteed efciencies enable them to deliver fully rated
output power from –40 to +50/55°C (ambient) without supplemental cooling.
If your high current requirements have made the use of inefcient linear regula-
tors impractical, take a look at one of DATEL’s new switching buck regulators. Their
high efciency, ease-of-use, long-term reliability, and overall cost effectiveness will
impress you. Safety agency approvals and EMC characterizations are currently in
progress.
+VIN
+VOUT
INPUT
RETURN
LOGIC
GROUND
ON/OFF
CONTROL
PWM
CONTROLLER
VOLTAGE
BOOST
REFERENCE &
ERROR AMP
OVERCURRENT
DETECTION
OUTPUT
RETURN
VOUT
TRIM
+VCC
Non-Isolated, 5 or 12VIN to 1.8/2.5/3.3VOUT
8 and 10 Amp DC/DC Converters
Input ranges of 4.75-5.5V or 10.8-13.6V
Output voltages of 1.8/2.5/3.3V
8 and 10 Amp output current models
VOUT user-trimmable from 1.28V to 3.6V
Non-isolated, full synchronous topology
1" x 2" through-hole or SMT package
Gull-wing leads for SMT package
High efciency to 91%; Low noise
200kHz switching; Planar magnetics
–40 to +40/50/60°C ambient operation with
no derating
Remote on/off control; Output overcurrent
detection
IEC950/EN60950/UL1950 approval
-D5 models only.
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