MicroPower
Direct
1W Single Output Key Features
Surface Mountable Ultra-Miniature SMT Package Lead Frame Technology
DC/DC Converters 1W Output Power CECC00802 Reflow (280 1C)
LF100S Series -401C to +851C Operation Low Cost
Electrical Specifications
Specifications typical @ +251C with nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
Parameter Conditions Min. Typ. Max. Units
5 VDC Input 4.5 5.0 5.5
Input Voltage Range VDC
12 VDC Input 10.8 12.0 13.2
Reverse Polarity Input Current 1.0 A
Input Filter Capacitor
Output
Parameter Conditions Min. Typ. Max. Units
Output Voltage Accuracy !1.0 !3.0 %
Line Regulation For Vin Change of 1% !1.2 !1.5 %
Load Regulation See Model Selection Guide
Ripple & Noise (20 MHz) 60 120 mV P - P
Ripple & Noise (20 MHz) Over Line, Load & Temp. 150 mV P - P
Ripple & Noise (20 MHz) 5 mv rms
Output Power Protection 120 %
Temperature Coefficient !0.01 !0.02 %/1C
Output Short Circuit Momentary (0.5 Sec.)
General
Parameter Conditions Min. Typ. Max. Units
Isolation Voltage 60 Seconds 1,000 VDC
Isolation Resistance 500 VDC 1,000 M
Isolation Capacitance 100 kHz, 1V 40 100 pF
Switching Frequency 70 100 140 kHz
Environmental
Parameter Conditions Min. Typ. Max. Units
Operating Temperature Range -40 +25 +85 1C
Storage Temperature Range -40 +125 1C
Cooling Free Air Convection
Humidity RH, Non-condensing 95 %
Physical
Case Size 0.50 x 0.31 x 0.26 Inches (12.7 x 8.0 x 6.7 mm)
Case Material Non-Conductive Black Plastic
Weight 0.05 Oz (1.5g)
Reliability Specifications
Parameter Conditions Min. Typ. Max. Units
MTBF MIL HDBK 217F, 251C, Gnd Benign 3.3 MHours
Absolute Maximum Ratings
Parameter Conditions Min. Typ. Max. Units
5 VDC Input -0.7 9.0
Input Voltage Surge (1 Sec) VDC
12 VDC Input -0.7 18.0
Internal Power Dissipation All Models 450 mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
MicroPower Direct Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
CompuMess TEL: (781) 344-8226 FAX: (781) 344-8481 E-Mail: sales@micropowerdirect.com WEB: www/micropowerdirect.com
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
Model Selection Guide
Input Output Load Fuse Rating
Model Efficiency
Voltage (VDC) Current (mA) Voltage Current Current Regulation Slow-Blow
Number (%, Typ)
Nominal Range Full-Load No-Load (VDC) (mA, Max) (mA, Min) (%, Max) (mA)
LF101S 5 4.5 - 5.5 250 30 5.0 200.0 4.0 10 80 500
LF102S 5 4.5 - 5.5 254 30 9.0 110.0 2.0 10 78 500
LF103S 5 4.5 - 5.5 252 30 12.0 84.0 1.5 8 80 500
LF104S 5 4.5 - 5.5 248 30 15.0 67.0 1.0 7 81 500
LF111S 12 10.8 - 13.2 103 15 5.0 200.0 4.0 8 81 200
LF112S 12 10.8 - 13.2 106 15 9.0 110.0 2.0 8 78 200
LF113S 12 10.8 - 13.2 104 15 12.0 84.0 1.5 5 81 200
LF114S 12 10.8 - 13.2 102 15 15.0 67.0 1.0 5 82 200
Note:
1. Load regulation is measured for an output
Derating Curve
100
change of 20% to 100%.
2. For applications requiring lower output ripple
levels, the addition of a simple LC filter exter-
80
nally will provide good results. Using compo-
-5%/ 1C
nent values of 4.7 µH and 4.7 µF will lower Output Power %
output ripple to about 35 mV pk-pk.
60
40
20
Pin Connections 0
-40 -20 0 5 15 25 35 45 55 65 75 85 95 105
Pin Description Pin Description
Ambient Temperature 1C
1 -Vin 5 +Vout
2 +Vin 6 NA
Board Layout
3 NA 7 NA Capacitive 0.30 0.07
4 -Vout 8 NA
Load (7.62) (1.70)
µF Max
33
0.42
Mechanical Dimensions (10.8)
0.50 +0.01
(12.70 ) 0.25
+
8 7 6 5 0.10 0.04
(2.54) (1.0) Min
0.30 +0.004
Top View (8.0 +0.100
) Notes:
0.42 +0.008 All dimensions are typical in inches (mm)
(10.8 ) 0.200
+
1 2 3 4
Tolerance x.xx = !0.01 (!0.25)
0.25 +0.004
0.027 +0.004
See (6.5 ) 0.100
+ Pin 1 is marked by a "dot" or indentation
(0.7)+0.100 Note
on the unit
0.078 +0.004
(2.000 +0.100
)
Seating Plane
0.26 +0.004
(6.7 ) 0.100
+ S Reference
Plane
0.27 +0.004
0.30 +0.004 0.01 +0.0 / -0.006 (7.0 ) 0.100
+ 0.001 +0.002
0.10 +0.004 (7.52 ) 0.100
+ (0.25 +0.0 /- 0.150
) (0.25 ) 0.050
+ +0.21
(2.54 +0.100
) 0.04 +0.006
0.35 +0.008 (1.05 +0.150
) !
(5.0) 1
(9.0 ) 0.200
+
Note: The curved edge of the case indicates the Pin 1 side.
MicroPower CompuMess Elektronik GmbH
232 Tosca Drive, Stoughton, MA 02072
www.micropowerdirect.com
Lise-Meitner-Str.1, 85716 Unterschleissheim
Direct Tel sales@micropowerdirect.com
089-321501-0 Fax 089-321501-11
phone: (781) 344 - 8226 * fax: (781) 344 - 8481
http://www.compumess.de oder http://www.netzteile.de