Data Sheet
HC006/010 Series DC-DC Power Module:
May 16, 2008
18-36Vdc Input; 3.3V & 5Vdc Output; 6.6A - 10A Output Current
Feature Descriptions (continued)
⎧
⎨
⎩
⎫
45.5(100 +10) −1690
⎡
⎤
Rtrim −up =
− 73.1 kΩ
⎬
⎢
⎥
10
⎣
⎦
⎭
Output Voltage Programming (continued)
Rtrim −up = 258.4kΩ
A
⎡
⎤
Rtrim − down =
− B kΩ
⎢
⎥
Δ%
⎣
⎦
Rtrim-down is the external resistor in kΩ
Δ% is the % change in output voltage
Values of A & B are provided in Table 1
Table 1
Output Voltage
A
B
(V)
3.3V
5.0V
1690
1690
73.1
73.1
Connecting an external resistor (Rtrim-up) between the
TRIM pin and the VO(+) pin increases the output voltage
set point. The relationship between the output voltage
and the trim resistor value for a Δ% increase in output
voltage is:
⎧
⎨
⎩
⎫
A(100 + Δ% − B
Δ%
⎡
⎤
Rtrim −up =
−C kΩ
⎬
⎢
⎥
⎣
⎦
⎭
Rtrim-up is the external resistor in kΩ
Δ% is the % change in output voltage
Values of A , B and C are provided in Table 2
Table 2
Output Voltage
A
B
V
(V)
3.3
5.0
45.5
69.0
1690
1690
73.1
73.1
Examples:
To trim down the output of a nominal 5.0V module
(HC006A6A) to 4.90V
Δ% = 2
1690
2
⎡
⎤
Rtrim − down =
− 73.1 kΩ
⎢
⎥
⎣
⎦
Rtrim − down = 771.9kΩ
To trim up the output of a nominal 3.3V module
(HC010A0F) to 3.63V
Δ% = 10
LINEAGE POWER
10
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
