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参数资料
| 型号： | YNL05S10015-003G |
| 厂商： | POWER-ONE INC |
| 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-6 |
| 文件页数： | 21/23页 |
| 文件大小： | 399K |
| 代理商： | YNL05S10015-003G |
FEB 17, 2006 revised to NOV 03, 2006
Page 7 of 23
www.power-one.com
YNL05S100xy DC-DC Converter Data Sheet
3.0 to 5.5 VDC Input; 0.9 to 3.3 VDC @ 10 A Output
To trim down the output voltage (Fig. F), a trim
resistor,
RT-DECR, should be connected between
the TRIM pin (Pin 3) and SENSE pin (Pin 2), with a
value of:
For VO-NOM ≥ 1.2 V,
INT
DECR
T
R
)
V
-
(V
30.1
*
0.8)
-
(V
R
REQ
-
O
NOM
-
O
REQ
-
O
=
[k]
For VO-NOM = 1.0 V, 0.9 V,
INT
DECR
T
R
)
V
-
(V
30.1
*
0.7)
-
(V
R
REQ
-
O
NOM
-
O
REQ
-
O
=
[k]
where,
=
DECR
T
R
Required value of trim-down
resistor [k]
Rload
Vin
RT-DECR
Converter
Vin
GND
ON/OFF
SENSE
(Top View)
TRIM
Vout
Y-Series
Fig. F: Configuration for decreasing output voltage.
Standard 1% and 5% resistors can be used for
trimming. Ground pin of the trim resistor should be
connected directly to the module GND pin (Pin 5)
with no voltage drop in between.
The output voltage can be trimmed up or down using
an external voltage source:
For VO-NOM ≥ 1.2 V,
30.1
R
*
)
V
-
(V
8
.
0
V
INT
RIM
T
NOM
-
O
REQ
-
O
=
[V]
For VO-NOM = 1.0 V, 0.9 V,
30.1
R
*
)
V
-
(V
7
.
0
V
INT
RIM
T
NOM
-
O
REQ
-
O
=
[V]
where,
=
RIM
T
V
Output voltage applied to TRIM pin
(referenced to GND) [V]
The trim equations for the converters with VO-NOM ≥
1.2 V
are industry standard; thus allowing easy
second sourcing.
Protection Features
Input Undervoltage Lockout
Input undervoltage lockout is standard with this
converter. The converter will shut down when the
input voltage drops below a pre-determined voltage;
it will start automatically when Vin returns to a
specified range.
The input voltage must be typically 2.05 V for the
converter to turn on. Once the converter has been
turned on, it will shut off when the input voltage
drops below typically 1.9 V.
Output Overcurrent Protection (OCP)
The converter is protected against overcurrent and
short circuit conditions. Upon sensing an overcurrent
condition, the converter will enter hiccup mode. Once
an over-load or short circuit condition is removed,
Vout will return to nominal value.
Overtemperature Protection (OTP)
The
converter
will
shut
down
under
an
overtemperature condition to protect itself from
overheating caused by operation outside the thermal
derating curves, or operation in abnormal conditions
such as system fan failure. After the converter has
cooled to a safe operating temperature, it will
automatically restart.
Safety Requirements
The
converter
meets
North
American
and
International safety regulatory requirements per
UL60950 and EN60950. The maximum DC voltage
between any two pins is Vin under all operating
conditions. Therefore, the unit has ELV (extra low
voltage) output; it meets SELV requirements under
the condition that all input voltages are ELV.
The converter is not internally fused. To comply with
safety agencies’ requirements, a recognized fuse
with a maximum rating of 20 Amps must be used in
series with the input line.
Characterization
General Information
The converter has been characterized for many
operational aspects, to include thermal derating
(maximum load current as a function of ambient
temperature and airflow) for vertical and horizontal
mountings,
efficiency,
startup
and
shutdown
parameters, output ripple and noise, transient
response to load step-change, overload, and short
circuit.
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