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NNL10 Series
Non-Isolated DC/DC Converters
SELECTION GUIDE1
Order Code2
NNL10-1C NNL10-2C 2C NNL10-3C NNL10-4C NNL10-5 NNL10-5C NNL10-6C NN NNL10-7C NNL10-8C NNL10-9C NNL10-10C NNL10-11C NNL10-12C NNL1 NNL10-13C NNL10-14C NN NNL10-15C NNL10-16C With DCOK DCO
Output Current Nominal Input Output Voltage Voltage Min.Load Full Load Min. V V A A
4.0 4.0 4.0 4.0 4 4.0 4. 4.0 4.0 40 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 0.9 1.0 1. 1.2 1 1.5 1.8 2.0 2 2.5 3 3.3 0.9 1.0 1.2 1.5 1.8 2.0 2.5 3.3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
Max. Output Power W
9 10 12 15 18 20 25 33 9 10 12 15 18 20 25 33
Nominal Efficiency % (Min.)
79.7 81.8 84.3 86.5 88.2 89.2 91.2 92.1 79.7 81.8 84.3 86.5 88.2 89.2 91.2 92.1
FEATURES
RoHS compliant t Industry standard footprint d fo rint int High efficiency Under voltage lock out Output voltage trimming
f act us t Short circuit protection Con ecti
Operating temperature range -40C to 85C SMD Construction Optional DC OK signal Options available without Trim and Remote Sense Functionality
NDED E COMM GNS OT RE N DESI nt model R NEW placeme FO or re
INPUT CHARACTERISTICS
Parameter
Voltage range Under voltage lock out Reflected ripple current Input no load current VIN = 5.5V VOUT = 0.9V VIN = 5.5V VOUT = 3.3V VIN = 5.5V Module disabled
Conditions
VNOM = 4.0VDC VOUT <2.75V VNOM = 4.0VDC VOUT >3.0V Turn on threshold VNOM = 4.0VDC Turn off threshold VNOM = 4.0VDC
Min.
3.0 4.0
Typ.
Max.
5.5 5.5
Units
V V mA p-p mA mA
DESCRIPTION
The NNL10 series is part of a range of nonisolated, cost effective DC/DC converters offering high precision output voltages from a nominal 3.0-5.5V or 10.0-14.0V intermediate bus where isolation is not required. The series has been recognized by Underwriters Laboratory (UL) to UL 60950, file number E179522 applies.
Input standby current
2.8 2.7 30 100 140 1.5
OUTPUT CHARACTERISTICS
Parameter
Rated current Voltage set point accuracy Line regulation Load regulation Ripple & noise Voltage trim Remote sense Transient response External load capacitance
Conditions
TA = -40C to 85C (see thermal performance characteristics) Low line to high line 0% load to 100% load BW = DC to 20MHz
Min.
Typ.
Max.
10.0
Units
A % % % mVp-p %VOUT V mV s F
1.0 0.5 25 -10
2.0 1.0 0.55 50 +10 0.5
IOUT = 5.0A-10.0A-5.0A COUT = 1F//10F
Peak deviation Settling time
100 70 10,000
1. A 330F low ESR capacitor, approx 17m at 100kHz to 300kHz must be fitted at the input to the NNL DC/DC converter to ensure stability under all the operating conditions. 2. If components are required in tape and reel format suffix order code with -R, e.g. NNL10-10C-R. All specifications typical at TA =25C, nominal input voltage and rated output current unless otherwise specified.
For full details go to www.murata-ps.com/rohs
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Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
KDC_NNL10C.D03 Page 1 of 8
NNL10 Series
Non-Isolated DC/DC Converters
ABSOLUTE MAXIMUM RATINGS
Short circuit protection Remote sense DC OK Input voltage VIN Trim Remote ON/OFF Minimum load Continuous VOUT 0.5VDC -0.2VDC to +17VDC 20mA 6.5VDC -0.3V to VOUT -0.2VDC to +17VDC 0%
GENERAL CHARACTERISTICS1
Parameter
Switching frequency y Start delay
Remote on/off
MTTF
TEMPERATURE CHARACTERISTICS1 ACT STICS
Parameter
Operation Storage Over temperature protection
f tact us Con
Conditions tions
Substrate temperature
ENDED COMM GNS E NOT R W DESI model E FOR Nor replacement
Min.
From power on/remote off Module on (or pin unconnected) 2.6 Module off odule TBA T
Typ.
300 4.0
Max.
Units
kHz ms V A V A kHrs
100 0.3 -500
Min.
-40 -55
Typ.
Max.
85 125
Units
C C C
See thermal performance characteristics therma
115
APPLICATION NOTES
Output Voltage Trimming
The trimming input on the NNL10 allows output voltage adjustment by 10% of nominal output voltage by connection of a resistor or by application of a voltage to the Trim pin. To increase the output voltage, an external resistor (Fig.1) or voltage source should be connected between the Trim and the common pin. RTRIM-UP = 24.080 - RINTERNAL K VOUT VTRIM-UP = 0.8- VOUT X RINTERNAL 30.100 VOUT is the required change in output voltage in V. To decrease the output voltage, an external resistor (Fig. 2) or voltage source should be connected between the Trim pin and the +VOUT pin. RTRIM-DOWN = VOUT-0.8 -1 x 30.100 -RINTERNAL K VOUT VTRIM-DOWN = 0.8+ VOUT X RINTERNAL 30.100 The trim pin should be left disconnected if not used.
Fig.1
+VIN
TRIM
+VOUT
RINTERNAL VALUES RINTERNAL (kOhm) VOUT SET (V)
0.9 1.0 1.2 1.5 1.8 2.0 2.5 3.3 5.1 30.1 59 100 100 100 78.7 59
NNL10
RTRIM
Common
Fig.2
+VIN RTRIM NNL10
TRIM
+VOUT
(
)
Common
1. Specifications typical at TA =25C, nominal input voltage and rated output current unless otherwise specified.
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KDC_NNL10C.D03 Page 2 of 8
NNL10 Series
Non-Isolated DC/DC Converters
APPLICATION NOTES (continued)
Remote Sense
The remote sense function compensates for voltage drops from the output of the NNL10 to the load point by regulating the output voltage at the load point. The voltage drop must not exceed 0.5V, although Trim and remote sense functions can be used in combination with each other, the maximum voltage increase is 0.5V. When increasing the output voltage the maximum output power of the NNL10 must not exceed ower the maximum output figures stated in the selection guide. lection
VIN
+VOUT
Output Sequencing ing
To simplify output sequencing, the NNL10 series offers seq offer an optional single wire interconnection that performs this t perform function. Using this connection, up to four devices can con es be `daisy chained' together, with the `DC OK' signal from geth th one converter signifying that the next converter can be ng t he c enabled. A capacitor, simply connected to the daisy chain link, provides a settable delay in the sequence of the e converters starting. Typical capacitor values and corresponding delays are shown in the table below.
for rep us ontact C
ENDED COMM GNS E NOT R W DESI model E nt FOR N aceme l
Fi Fig.3
NNL10
SENSE LOAD Common
Figure 3 shows a typical sequencing configuration, along with the voltage outputs that it produces. As well as reducing component count, making use of the `built-in' sequencing capability means that only a single PCB track is required for a full sequencing solution.
VIN
3.0VDC 5.5VDC
Capacitor 0.22F 0.22F
Delay 1.8ms 0.6ms
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering systems with a peak reflow solder temperature of 245C. The pin termination finish on this product series is Matte Tin over Nickel Preplate. The series is backward compatible with Sn/Pb soldering systems. This series has a Moisture Sensitivity Level (MSL) 2. For further information, please visit www.murata-ps.com/rohs
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KDC_NNL10C.D03 Page 3 of 8
NNL10 Series
Non-Isolated DC/DC Converters
EFFICIENCY v LOAD GRAPHS (NNL10 VNOM = 4.0VDC) VOUT = 0.9V VOUT = 1.0V
VOUT = 1.2V
f tact us Con
ENDED COMM GNS E NOT R W DESI model E FOR Nor replacement
VOUT = 1.5V
VOUT = 1.8V
VOUT =2.0V
VOUT = 2.5V
VOUT = 3.3V
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KDC_NNL10C.D03 Page 4 of 8
NNL10 Series
Non-Isolated DC/DC Converters
THERMAL DERATING GRAPHS (NNL10 VNOM = 4.0VDC) VOUT = 0.9V VOUT = 1.0V
VOUT = 1.2V
us ontact C
ENDED COMM GNS E NOT R W DESI model E FOR Nor replacement
VOUT = 1.5V
f
VOUT = 1.8V
VOUT =2.0V
VOUT =2.5V
VOUT =3.3V
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Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
KDC_NNL10C.D03 Page 5 of 8
NNL10 Series
Non-Isolated DC/DC Converters
TYPICAL CHARACTERISTICS OUTPUT RIPPLE & NOISE
VIN = 4.75VDC VOUT = 3.3VDC IOUT=10.0A VIN = 4.0VDC VOUT = 0.9VDC IOUT = 10.0A
START-UP FROM APP ATION OF V N APPLICATION VIN
e placem re us for t Contac
ENDE OMM N DESIG nt model W
START-UP USING REMORE ON/OFF
R Response when remote on/off driven from an open collector output
TRANSIENT RESPONSE
VIN = 4.0VDC VOUT = 3.3VDC IOUT Change = 50-100% VIN = 4.0VDC VOUT = 3.3VDC IOUT Change = 100-50%
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KDC_NNL10C.D03 Page 6 of 8
NNL10 Series
Non-Isolated DC/DC Converters
MECHANICAL DIMENSIONS
SURFACE MOUNT PACKAGE STYLE (BOTTOM VIEW) PIN CONNECTIONS Pin
1 2 3 4 5 6 7
Function
On/Off +VIN DC OK* Common +VOUT TRIM SENSE
RECOMMENDED PAD LAYOUT D LA T
us ontact C
ENDED COMM GNS E NOT R W DESI model E FOR Nor replacement
f
Weight: 5.7g
* Pin 3 (DC OK) is an optional pin feature which allows multiple NNL10 DC/DC converters to have sequenced outputs when used in conjunction with Remote ON/OFF pin (see application note for futher information).
PAD SIZE MIN: 0.140 X 0.095 (3.556 X 2.413) MAX: 0.165 X 0.110 (4.19 X 2.79)
TRAY DIMENSIONS (TOP VIEW)
PICK-UP POINT
Tray quantity: 28 All dimensions 0.0138 (0.35)
Unless otherwise stated all dimensions in inches (mm) 0.01 (0.25).
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KDC_NNL10C.D03 Page 7 of 8
NNL10 Series
Non-Isolated DC/DC Converters
TAPE & REEL SPECIFICATIONS
REEL OUTLINE DIMENSIONS TAPE OUTLINE DIMENSIONS
f tact us Con
ENDED COMM GNS E NOT R W DESI model E FOR Nor replacement
REEL PACKAGING DETAILS
Reel Quantity : 350
USA: UK: France: Japan:
Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Website: www.murata-ps.jp Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com
Canada: Toronto, Tel: (866) 740 1232, email: toronto@murata-ps.com
Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356
www.murata-ps.com email: sales@murata-ps.com ISO 9001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. (c) 2008 Murata Power Solutions, Inc.
Germany: Munchen, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com
China:
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KDC_NNL10C.D03 Page 8 of 8

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