QPO-2L Datasheet, PDF (4/12 Pages) Vicor Corporation – QPO-2L Low Voltage Output Ripple Attenuator

Remote Sense Application Circuit Schematic
VOUT+
SENSE+
SC/TRIM
RRS
5.1
CRS
22µF
CIN*
RCP
VAUX
10 9
RCLAMP VAUX
11
17
}¹²
13 QPO IN
{⁸
QPO OUT 7
14
6
18
15
PEAK IN
16 _ADJUST
QPO-2L _{SC SET} ⁵
19 _GND
Csc*
LOAD+
SENSE-
VOUT-
20 1 2 3 4
RSA
RHR
LOAD-
* Optional
Bold lines indicate high-current path.
Figure 3 – Use this circuit for applications requiring remote sensing. Components marked * are optional, see text.
SC/Trim Application Circuit Schematic
VOUT+
SENSE+
Cin*
Rsl
+TRIM
Csc
18 17
18
QPO IN
}¹¹
12
13
QPO IN
14
QPO OUT
{ ^{QPO OUT}
17
8
7
6
15 _{PEAK IN QPO-2L}
16 _ADJUST
19 _GND
SC SET ⁵
20 1 2 3 4
LOAD+
Rsc
SENSE-
Rsa
Rhr
VOUT-
* Optional
Bold lines indicate high-current path.
Figure 4 – Simplest application of QPO-2 when the SC/Trim pin is available, see text.
LOAD-
Picor Corporation • www.picorpower.com
QPO-2L Data Sheet Rev. 1.1 Page 4 of 12