PSC126-7LIRPCD Power-One, PSC126-7LIRPCD Datasheet - Page 6

• Manufacturer Part Number: PSC126-7LIRPCD
• Description: Psc Series Extended Positive Switching Regulators Rugged
• Manufacturer: Power-One

Table 4: Inhibit characteristics
REV. MAY 12, 2004
Fig. 8
Output response as a function of inhibit signal
R Control for Output Voltage Adjustment
The output voltage V
nal voltage ( V
adjustment range is 0 - 108% of V
ential voltage D V
trical Input Data ) should be maintained. Undervoltage lock-
out = Minimum input voltage.
Fig. 9
Voltage adjustment with V
a) V
Note: With open R input, V
Characteristics
V
t
t
I
Caution: To prevent damage V
20 V, nor be negative and R
47 kΩ.
i inh
r
f
inh
V
o
V
ext
0.1
= 0 - 108% V
o
Inhibit
1
1
0
0
+
/ V
≈ 2.5 V • –––––
o nom
V
Inhibit input voltage to keep
regulator output voltage -
Switch-on time after inhibit command
Switch-off time after inhibit command
Input current when inhibited
ext
R
G
ext
) or with an external resistor ( R
io min
V
t
r
o nom
o nom
V
4000 Ω
V
o
o
between input and output (see: Elec-
ref
can either be adjusted with an exter-
, using V
ext
o
≈ V
Vo+
between R and G (Go-)
2
should never be less than
V
ext
+
–
o nom
o
o nom
between R and G (Go–):
≈ V
ext
. R excludes option P.
06035
o nom
. The minimum differ-
should not exceed
V
V
o
o
= on
= off
• –––––
t
f
2.5 V
1
V
or R
ext
06001
2
). The
t
t
Page 6 of 13
Conditions
V
T
V
R
V
Positive Switching Regulators (Rugged)
C min
i min
i
i
L
= V
= V
= V
LED Output Voltage Indicator
A yellow output indicator LED shines when the output volt-
age is higher than approx. 3 V.
Fig. 10
Voltage adjustment with external resistor R
b) V
c) V
- V
i nom
i nom
- T
o nom
R
V
R
V
i max
C max
1
o
o
o max
2
o
≈ –––––––––––
= V
≈ ––––––––––––––––––––––––––––––––
= 0 - 100% V
≈ ––––––––––––––––––––––––
/ I
o nom
PSC Series Extended Data Sheet
R
R
4000 Ω ≈ V
4000 Ω • V
2.5 V • ( R
o nom
= V
2
1
V
o nom
o nom
2.5 V • ( V
- V
R
G
– V
o max
+ 8%
2
o
o nom
V
o
+ 4000 Ω) – V
o
o nom
, using R
• ( V
+2.4
min
–50
V
4000 Ω
o
ref
, using R
– V
o nom
• 2.5 V • R
o nom
V
2
typ
– 2.5 V)
16
21
10
o
between R and Vo+:
Vo+
1
≈ –––––––––––
)
between R and G (Go-):
+
–
o nom
R
V
1
max
+0.8
2
+50
o nom
+ 4000 Ω
• 4000 Ω
06036
≈ R
1
or R
1
2
VDC
Unit
mA
ms