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參數(shù)資料
| 型號(hào)： | DDR12-25D08-AJ |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Tracking Dual Output DC-DC Converters |
| 中文描述： | 追蹤雙輸出DC - DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大小： | 301K |
| 代理商： | DDR12-25D08-AJ |
SXA10 Series
| 15W
DDR12 Series | Tracking Dual Output
DC-DC Converters
6
Efficiency
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Efficiency
η
84
%
Full load
Electrical Charact. - VttO/P
Characteristic
Protection and Control Features
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Overcurrent limit inception
Iddq
Itt
36
14
Adc
Adc
File Name: lf_ddr12.pdf Rev: 29 Nov 2005
Symbol
Min
Typ
Max
Units
Notes and Conditions
Tracking accuracy
12
25
mV
Measured at converter pins
(=Vddq/2 - Vtt)
Ripple and noise
30
mV pk-pk With recommended external
load capacitance and
5 Hz to 20 MHz bandwidth
Load transient response -
peak deviation
3
%
Peak deviation for 75% to 100%
step load, di/dt = 8 A/μs
Load transient response -
recovery
200
μs
Settling time to within 1% of
output setpoint voltage for
75% to 100% step load
External load capacitance
Cext(Vtt)
1000
1680
3000
μF
Recommended 3 x 560 μF with
total ESR of 5 m
and additional
high-quality ceramic capacitors.
Consult factory for other capacitance
Output current - continuous
Itt
0
8
Adc
Output current - short circuit
Isc-tt
0
A rms
Latching short circuit protection
power or enable needs to be
cycled
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