JNC350R41-TZ Lineage Power, JNC350R41-TZ Datasheet - Page 9

• Manufacturer Part Number: JNC350R41-TZ
• Description: DC/DC Converters & Regulators 350W 24V-28V 12.5A NegLogic TunableLoop
• Manufacturer: Lineage Power

Specifications of JNC350R41-TZ

• Output Power: 350 W
• Input Voltage Range: 18 V to 36 V
• Input Voltage (nominal): 24 V
• Output Voltage (channel 1): 28 V
• Output Current (channel 1): 12.5 A
• Package / Case Size: Half Brick
• Output Voltage: 28 V
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: CC109158457

Data Sheet
August 9, 2010
Feature Description (continued)
Examples:
To trim down the output of a nominal 28V module to
16.8V
∆% = 40
R
To trim up the output of a nominal 28V module to
30.8V
Δ% = 10
R
Modules with the –T Option
Trim Down – Decrease Output Voltage
With an external resistor (R
and SENSE(+) pins, the output voltage set point
(V
equation determines the required external-resistor
value to obtain a percentage output voltage change of
%.
For output voltages: 28V
Where,
V
LINEAGE

R

R
R

adj - down
adj - up
desired
adj
o,adj
%
adj
adj
%
%

up



) decreases (see Figure 15). The following


down

down
= 239.4 kΩ
= Desired output voltage set point (V).
28
V

 
30
= 0.5 k
POWER
28
o

V
,

8 .
. 1
nom

28



V



225
V
28

(
100
10631
100
o
16
40

V
,

V
nom

V

28
8 .

10
desired
%

10
V
V
.
2
)
45






k
100
(

100


100
adj-down
100
111

10
2 (
2 .
) between the TRIM




10
k

)

 
k

18 – 36 Vdc Input; 28Vdc Output; 350W Output
JNC350R Power Modules; DC-DC Converters
Figure 15. Circuit Configuration to Decrease
Output Voltage, JNC350R-T option.
Trim Up – Increase Output Voltage
With an external resistor
the SENSE(-) and TRIM pins
point (
The following equation determines the required
external-resistor value to obtain a percentage output
voltage change of %.
For output voltages: 28V
Where,
V
Figure 16. Circuit Configuration to Increase
Output Voltage, JNC350Rx-T option.
R

desired
adj
%


V
up
= Desired output voltage set point (V).
o,
V

ad
desired
j
) increases (see Figure 16).



488
V

o
%
,

nom
5 .
V



o
,
k
nom

(
R

adj-up
100
,
the output voltage set
)
connected between
9