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NNL05 SERIES
Non-Isolated DC/DC Converters
SELECTION GUIDE1
Input Voltage Output Voltage Order Code V (nom.) V Adjustable between 0.75 & 3.3 Output Current Min. Load Full Load A A User Select Voltage VOUT 0.75 1.2 1.5 1.8 2.5 3.3 0.75 1.2 1.5 1.8 2.5 3.3 5.0 Efficiency % (min.) 78 83 85 87 90 94 71 78 80 83 85 87 90
NNL05-9
4
0
5.0
FEATURES * Industry standard footprint * Short circuit protection * High efficiency * Under voltage lock out * Fully adjustable output voltage
NNL05-10
12
Adjustable between 0.75 & 5.0
0
5.0
INPUT CHARACTERISTICS1
Parameter Voltage range Conditions NNL05-9 VOUT < 2.75V NNL05-9 VOUT > 3.0V NNL05-10 Turn on threshold NNL05-9 Turn off threshold Turn on threshold NNL05-10 Turn off threshold NNL05-9 NNL05-10 VIN = 5.5V VOUT = 0.75V NNL05-9 VIN = 5.5V VOUT = 3.3V VIN = 12.0V VOUT = 0.75V NNL05-10 VIN = 12.0V VOUT = 5.0V Module Disabled Min. 3.0 4.0 10.0 Typ. Max. 5.5 5.5 14.0 Units V
* Operating temperature range
-40C to 85C
* Fully adjustable output voltage * SMD construction
DESCRIPTION The NNL05 series is part of a range of non-isolated, 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. Currently available in SMD format and packaged in stackable trays (optional tape and reel packaging on request). UL60950 recognition pending.
Under voltage lock out
2.11 1.96 7.85 7.75 12.0 20.0 70 100 15 75 5.0 8.25 8.20
V
Reflected ripple current
mA p-p
Input no load current Input standby current
mA mA
OUTPUT CHARACTERISTICS
Conditions TA = -40C to 85C Rated current (see thermal performance characteristics) Voltage set point accuracy Using 1% tolerance resistor NNL05-9 Line regulation Low line to high line NNL05-10 NNL05-9 0% load to 100% load Load regulation NNL05-10 NNL05-9 BW = DC to 20MHz Ripple & noise with 1F ceramic NNL05-10 0.75V and 10F tantalum NNL05-10 5.0V Peak deviation NNL05-9 IOUT = 2.5A-5.0A-2.5A Settling time Transient response Peak deviation NNL05-10 IOUT = 2.5A-5.0A-2.5A Settling time Current limit inception Parameter Min. Typ. Max. 5.0 -2.0 +2.0 1.0 0.1 1.0 0.2 30 9 20 60 25 70 35 9.0 Units A % % % mV p-p mV s mV s A
1 Specifications typical at TA =25C, nominal input voltage and rated output current unless otherwise specified.
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
ABSOLUTE MAXIMUM RATINGS
Short circuit protection Input voltage VIN Trim voltage Remote on/off Minimum load NNL05-9 NNL05-10 NNL05-9 NNL05-10 NNL05-9 NNL05-10 Continuous 6.0V 15.0V -0.35V to VOUT -0.3V to VOUT -0.35V to 6.0V -0.3V to +VOUT 0%
GENERAL CHARACTERISTICS1
Parameter Switching frequency Conditions NNL05-9 NNL05-10 NNL05-9 Remote on/off NNL05-10 Module on (or pin unconnected) Module off Module on (or pin unconnected) Module off 0 2.6 1.0 0 2.5 0.125 Min. Typ. 300 5.0 7.0 Max. Units kHz ms 0.5 -0.4 VIN 0.5 -0.4 VIN 1.0 V mA V mA V mA V mA
MTTF
MTTF figures calculated by MIL-HDBK-217F ground benign. Ambient temperature 25C, airflow 200LFM. Conditions MTTF (Hrs) NNL05-9 VIN = 5.5V, VOUT = 3.3V 995057 NNL05-10 VIN = 12.0V, VOUT = 5.0V 420454
Start delay
ENVIRONMENTAL CHARACTERISTICS1
Parameter Operation Storage Over temperature protection Conditions See thermal performance characteristics Absolute max. internal temperature NNL05-9 Operates at substrate temperature NNL05-10 Min. -40 -55 Typ. Max. 85 125 Units C C C
110 118
OUTPUT VOLTAGE ADJUSTMENT
The trimming (adjust) input on the device allows output voltage adjustment from 0.75V to 3.3Vdc (NNL05-9) or 5.0 (NNL05-10) by using a resistor as shown in fig.1 or by applying a voltage between trim and GND pins as shown in fig.2. To calculate the resistor value for NNL05-9: RTRIM = 21070 - 5110 VOUT - 0.75 Fig.1
VIN TRIM RTRIM
VOUT
NNL05
GND
Table 1: NNL05-9 RTRIM & VTRIM VOUT SET (V) RTRIM (k) 0.75 Open 1.2 41.71 1.5 22.98 1.8 14.96 2.5 6.93 3.3 3.15
VTRIM (V) Open 0.624 0.573 0.505 0.403 0.267
To calculate the resistor value for NNL05-10: RTRIM = 10500 - 1000 VOUT - 0.7525 Fig.2
VIN TRIM
VOUT
To calculate VTRIM for NNL05-9: VTRIM = (0.7-0.1698 x {VOUT - 0.7525}) To calculate VTRIM for NNL05-10: VTRIM = (0.7-0.0667 x {VOUT - 0.7525}) Tables 1 & 2 provide RTRIM and VTRIM Values for the most commonly required output voltages.
NNL05
VTRIM GND
Table 2: NNL05-10 RTRIM & VTRIM VOUT SET (V) RTRIM (k) 0.75 Open 1.2 22.46 1.5 13.05 1.8 9.024 2.5 5.009 3.3 3.122 5.0 1.472
VTRIM (V) Open 0.670 0.650 0.630 0.583 0.530 0.4166
1 Specifications typical at TA =25C, nominal input voltage and rated output current unless otherwise specified.
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
EFFICIENCY v LOAD GRAPHS (NNL05-9) VOUT = 3.3V VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
VOUT = 1.2V
VOUT =0.75V
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
EFFICIENCY v LOAD GRAPHS (NNL05-10) VOUT = 5.0V VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
VOUT =1.2V
VOUT =0.75V
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
THERMAL DERATING GRAPHS (NNL05-9) VOUT = 3.3V VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
VOUT = 1.2V
VOUT =0.75V
All derating graphs shown are for an input voltage, VIN = 5.5V
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
THERMAL DERATING GRAPHS (NNL05-10) VOUT = 5.0V VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
VOUT =1.2V
VOUT =0.75V
All derating graphs shown are for an input voltage, VIN = 14.0V
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
CHARACTERISTIC GRAPHS (NNL05-9) TYPICAL OUTPUT RIPPLE & NOISE
VIN = 5.0VDC VOUT = 3.3V IOUT = 5.0A
TYPICAL OUTPUT RIPPLE & NOISE
VIN = 5.0VDC VOUT = 0.75V IOUT = 5.0A
TYPICAL START-UP FROM APPLICATION OF VIN
TYPICAL START-UP USING REMOTE ON/OFF
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
CHARACTERISTIC GRAPHS (NNL05-10) TYPICAL OUTPUT RIPPLE & NOISE (0.75V OUTPUT) TYPICAL OUTPUT RIPPLE & NOISE (5.0V OUTPUT)
TYPICAL START-UP FROM APPLICATION OF VIN
TYPICAL START-UP USING REMOTE ON/OFF
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NDC NNL05.3
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NNL05 SERIES
Non-Isolated DC/DC Converters
MECHANICAL DIMENSIONS SURFACE MOUNT PACKAGE STYLE (BOTTOM VIEW) PIN CONNECTIONS
Pin 1 2 3 4 5 Function On/Off VIN GND Trim VOUT
PACKAGE WEIGHT NNL05-9 NNL05-10 2.3g 2.7g
X (NNL05-9) = 0.26(6.6) X (NNL05-10) = 0.23(5.9) Coplanarity = 150microns
TRAY DIMENSIONS (TOP VIEW)
PICK-UP POINT
Tray quantity: 56 +0.020(0.5) -0.00(0.0)
Unless otherwise stated all dimensions in inches(mm) 0.01(0.25).
C&D Technologies (NCL) Limited reserve the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our web site to ensure that you have the current and complete specification for your product before use. (c) C&D Technologies (NCL) Limited 2005 No part of this publication may be copied, transmitted or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies (NCL) Limited. Instructions for use are available from www.cdpoweronline.com
C&D Technologies (NCL) Ltd Tanners Drive, Blakelands North Milton Keynes MK14 5BU, England Tel: +44 (0)1908 615232 Fax: +44 (0)1908 617545 email: info@cdtechno-ncl.com
C&D Technologies, Inc. 3400 E Britannia Drive, Tucson, Arizona 85706, USA Tel: +1 (800) 547-2537 Fax: +1 (520) 741-4598 email: pedmktg@cdtechno.com
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NDC NNL05.3
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