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参数资料
| 型号： | LGDS-300-0-K/T |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-9 |
| 文件页数： | 6/13页 |
| 文件大小： | 805K |
| 代理商： | LGDS-300-0-K/T |
For locations, phone, fax, E-Mail see back cover
2
LGDS-300 Series
Gaia Converter FC08-059.01/10 Revision D
4
Hi-Rel
Grade
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
20
25
30
35
40
45
Input voltage (Vdc)
o
u
tp
u
t
vo
lt
a
g
e
(V
d
c
)
Transient operation
Area
Normal operation
Area
P
o
w
er
fa
il
o
p
er
at
io
n
ar
ea
3- Modes of Operation
LGDS-300 Transfer Function
Transient Mode
(Vout=Vlim)
Power fail Mode
(output disabled)
Start-up
Vin>Vst
OCP
Surge
End of
Surge
OTP
OTP
: Over Temperature Protection
OCP
: Over Current Protection
Normal Mode
(Vout=Vin-Vdrop)
OCP
UVLO
3-1 LGDS-300 Modes of Operation
The LGDS-300-O-K operates with H input family of GAIA
Converter DC/DC Converters.
The LGDS-300-O-K features 3 modes of operations as
describes in the following state diagram :
Normal operation :
Normal operation occurs in between 9V and 42V input
voltage; the module is then operating in steady
transparency state.
Power fail operation :
When a failure occurs such as an undervoltage, an
over current or an over temperature, the LGDS-300
turns to power fail mode and stops operation until
the failure is removed. The LGDS-300 features 3 pro-
tection functions : input undervoltage lockout (UVLO),
output over current protection (OCP) and over
temperature protection (OTP).
Transient and spike operation :
When a surge occurs, the LGDS-300 turns to transient
mode operation. It can sustain input transient up to
100V as long as 50ms and spike up to 600V during
20s with 50 ohms impedance .
During this transient mode, the over current protec-
tion (OCP) is activated in order to prevent applica-
tions failure.
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