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參數(shù)資料
| 型號： | CC030B-M |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-9 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 1144K |
| 代理商： | CC030B-M |
10
Lineage Power
CC030-Series Power Modules; dc-dc Converters:
Data Sheet
18 Vdc to 36 Vdc Inputs, 30 W
March 2008
Feature Descriptions (continued)
Remote Sense (continued)
VO(–)
SENSE(+)
SENSE(–)
VO(+)
VI(–)
VI(+)
IO
LOAD
CONTACT AND
DISTRIBUTION LOSSES
SUPPLY
II
CONTACT
RESISTANCE
8-651(C).n
Figure 17. Effective Circuit Configuration for
Single-Module Remote-Sense Operation
Output Voltage Adjustment
Output voltage adjustment allows the user to increase
or decrease the output voltage set point of a module.
This is accomplished by connecting an external resis-
tor between the TRIM pin and either the SENSE(+) or
nal resistor between the TRIM and SENSE(–) pins
(Radj-up), the output voltage set point (VO, adj) increases.
Radj-up
2.5
R1
×
VOadj
,
VOnom
,
–
----------------------------------
kΩ
=
The value of the internal resistor R1 is shown in Table
4.
Table 4.
BMPM Code
R1
CC030A
16.940
CC030B
15.732
CC030C
16.670
Internal Resistor Values
With an external resistor connected between the TRIM
and SENSE(+) pins (Radj-down), the output voltage set
point (VO, adj) decreases.
Radj-down
VO adj
,
2.5
–
() R1
×
VOnom
,
VO adj
,
–
------------------------------------------
kΩ
=
The combination of the output voltage adjustment
range and the output voltage sense range given in the
Feature Specifications table cannot exceed 110% of
the nominal output voltage between the Vo(+) and
Vo(–) terminals.
The CC030-Series Power Modules have a fixed cur-
rent-limit set point. Therefore, as the output voltage is
adjusted down, the available output power is reduced.
In addition, the minimum output current is a function of
the output voltage. As the output voltage is adjusted
down, the minimum required output current can
increase.
VI(+)
VI(–)
ON/OFF
VO (+)
VO (–)
SENSE(+)
TRIM
SENSE (–)
R adj-up
R LOAD
8-715(C).c
Figure 18. Circuit Configuration to Increase Output
Voltage
VI(+)
VI(–)
ON/OFF
VO (+)
VO (–)
SENSE(+)
TRIM
SENSE(–)
R adj-down
R LOAD
8-748(C).c
Figure 19. Circuit Configuration to Decrease
Output Voltage
Output Overvoltage Protection
The output overvoltage clamp consists of control cir-
cuitry, which is independent of the primary regulation
loop that monitors the voltage on the output terminals.
The control loop of the clamp has a higher voltage set
point than the primary loop (see Feature Specifications
table). This provides a redundant voltage-control that
reduces the risk of output overvoltage.
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