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参数资料
| 型号： | DQ62412QKA02PKS |
| 厂商： | SYNQOR INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 14/15页 |
| 文件大小： | 617K |
| 代理商： | DQ62412QKA02PKS |
Product # DQ62412QKA02
Phone 1-888-567-9596
Doc.# 005-2DQ245L Rev. A
06/08/05
Page 8
T
Technical S
echnical Specification
pecification
Input:
Outputs:
Current:
PPackage:
ackage:
35-75V
2.45V & 1.225V
20W
Quarter-brick
Figure 23: Test set-up diagram showing measurement points for Input
Terminal Ripple Current (Figure 24), Input Reflected Ripple Current
(Figure 25) and Output Voltage Ripple (Figure 26).
Figure 24: Input Terminal Ripple Current, 1.225V & 2.45V outputs at
50% rated output current and nominal input voltage with 10H source
impedance and 100F electrolytic capacitor (50 mA/div). (see Fig. 23)
Figure 19: Turn-on transient at full rated load current (resistive load)
(5 ms/div). Input voltage pre-applied. Ch 1: 1.225Vout (500mV/div);
Ch 2: 2.45Vout (1V/div), Ch 3: ON/OFF input (5V/div)
Figure 20: Turn-on transient at zero load current (5 ms/div).
Ch 1: 1.225Vout (500mV/div); Ch 2: 2.45Vout (1V/div)
Ch 3: ON/OFF input (5V/div)
Figure 21: Output voltage response to step-change in Iout1 (50%-75%-50% of
Imax; dI/dt = 0.1A/s). Load cap: 15F, 300 m
ESR tantalum cap & 1F ceram-
ic cap. Vout (100mV/div), Iout (5A/div). Ch1: Vout1(1.225V); Ch2 Iout1; Ch 3:
Vout2(2.45V) ; Ch 4 Iout2
Figure 22: Output voltage response to step-change in Iout2 (50%-75%-50% of
Imax; dI/dt = 0.1A/s). Load cap: 15F, 300 m
ESR tantalum cap & 1F ceram-
ic cap.. Vout (50mV/div), Iout (5A/div). Ch1: Vout1(1.225V); Ch2 Iout2; Ch 3:
Vout2(2.45V); Ch 4 Iout2
10 H
source
impedance
DC/DC
Converter
See Fig. 25
See Fig. 24
See Fig. 26
1 F
ceramic
capacitors
15 F,
300m
ESR
tantalum
capacitors
100 F,
<1
ESR
electrolytic
capacitor
VSOURCE
i
S
i
C
VOUT2+
VOUT1+
COM
(-)
1.225Vou
t
2.45Vout
1.225Vou
t
2.45Vout
Vout1
Iout1
Vout2
Iout2
Vout1
Iout1
Vout2
Iout2
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