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參數(shù)資料
| 型號： | LME0515S |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated 250mW Single Output DC-DC Converters |
| 中文描述： | 1-OUTPUT 0.25 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SIP-4 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 168K |
| 代理商： | LME0515S |
SELECTION GUIDE
FEATURES
I
High Efficiency for Low Power
Applications
I
Pin Compatible with NME & NML
I
1kVDC Isolation
I
SIP & DIP Package Styles
I
Single Output Rail
I
Power Density 0.36W/cm
3
I
3.3V, 5V and 12V Input
I
3.3V, 5V, 9V, 12V and 15V Output
I
Footprint from 0.69cm
2
I
UL 94V-0 Package Material
I
No Heatsink Required
I
Internal SMD Construction
I
Toroidal Magnetics
I
Fully Encapsulated
I
No External Components Required
I
MTTF up to 3.2 Million Hours
I
PCB Mounting
I
Custom Solutions Available
DESCRIPTION
The LME series of DC-DC converters are
optimised for low-power operation. Due to
the low quiescent current they are able to
offer efficiencies up to 75%. The use of
advanced magnetics ensures a minimal
quiescent current of around 2.5mA which
ensures that efficiency is maximised in low
power applications. They are ideally suited
to generating a negative supply where only
a positive rail exists.
Nominal
Input
Voltage
(V)
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
5
5
5
5
5
5
5
5
5
5
12
12
12
12
12
12
12
12
Output
Voltage
(V)
5
5
9
9
12
12
15
15
3.3
3.3
5
5
9
9
12
12
15
15
5
5
9
9
12
12
15
15
Output
Current
(mA)
50
50
28
28
21
21
16
16
76
76
50
50
28
28
21
21
16
16
50
50
28
28
21
21
16
16
Isolation
Package
Style
Efficiency Capacitance
(%)
70
70
75
75
75
75
75
75
70
70
70
70
75
75
75
75
75
75
70
70
75
75
75
75
75
75
MTTF
1
kHrs
2767
2767
1250
1250
655
655
367
367
2637
2637
2279
2279
1139
1139
624
624
357
357
536
536
434
434
330
330
237
237
Order Code
LME0305D
LME0305S
LME0309D
LME0309S
LME0312D
LME0312S
LME0315D
LME0315S
LME0503D
LME0503S
LME0505D
LME0505S
LME0509D
LME0509S
LME0512D
LME0512S
LME0515D
LME0515S
LME1205D
LME1205S
LME1209D
LME1209S
LME1212D
LME1212S
LME1215D
LME1215S
When operated
with
additional external load capacitance the rise time of the input voltage will determine the
maximum external capacitance value for guaranteed start up. The slower the rise time of the input voltage the
greater the maximum value of the additional external capacitance for reliable start up.
(pF)
25
25
30
30
38
38
38
38
25
25
29
29
37
37
41
41
40
40
38
38
40
40
43
43
45
45
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
DIP
SIP
Parameter
Conditions
Continuous operation, 3.3V input types
Continuous operation, 5V input types
Continuous operation, 12V input types
MIN
2.97
4.5
10.8
TYP
3.3
5
12
MAX
3.63
5.5
13.2
Units
Voltage Range
V
Short-circuit duration
3
Lead temperature 1.5mm from case for 10 seconds
Input voltage V
IN
, LME03 types
Input voltage V
IN
, LME05 types
Input voltage V
IN
, LME12 types
1 second
300°C
5V
7V
15V
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
Parameter
Conditions
Rated Power
2
T
A
= 0°C to 70°C
Voltage Set
Point Accuracy
Line Regulation
High V
IN
to low V
IN
10% load to rated load,
Load Regulation
10% load to rated load,
all other output types
BW=DC to 20MHz, LME03 types
BW=DC to 20MHz, all other output types
ABSOLUTE MAXIMUM RATINGS
1 Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2 See derating curve
3 Supply voltage must be discontinued at the end of the short circuit duration.
All specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.
LME SERIES
Isolated 250mW Single Output DC-DC Converters
www.dc-dc.com
MIN
TYP
MAX
0.25
Units
W
See tolerance envelope
1.2
%/%
3.3V & 5V output types
15
%
10
Ripple & Noise
75
100
mV p-p
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LME1205D | Isolated 250mW Single Output DC-DC Converters |
| LME1205S | Isolated 250mW Single Output DC-DC Converters |
| LME1209D | Isolated 250mW Single Output DC-DC Converters |
| LME1209S | Isolated 250mW Single Output DC-DC Converters |
| LME1212D | Isolated 250mW Single Output DC-DC Converters |
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