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NNL05 SERIES
Non-Isolated DC/DC Converters
1
NDC NNL05.3
FEATURES
Industry standard footprint
Short circuit protection
High efficiency
Under voltage lock out
Fully adjustable output voltage
Operating temperature range
–40°C to 85°C
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.
SELECTION GUIDE
1
Input Voltage
Output Voltage
Output Current
Min. Load Full Load
A
User Select
Voltage
V
OUT
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
Order Code
V (nom.)
V
A
% (min.)
78
83
85
87
90
94
71
78
80
83
85
87
90
NNL05-9
4
Adjustable
between
0.75 & 3.3
0
5.0
NNL05-10
12
Adjustable
between
0.75 & 5.0
0
5.0
INPUT CHARACTERISTICS
1
Parameter
Conditions
NNL05-9 V
OUT
< 2.75V
NNL05-9 V
OUT
> 3.0V
NNL05-10
Min.
3.0
4.0
10.0
Typ.
Max.
5.5
5.5
14.0
Units
Voltage range
V
Under voltage lock out
NNL05-9
Turn on threshold
Turn off threshold
Turn on threshold
Turn off threshold
2.11
1.96
V
NNL05-10
7.85
7.75
8.25
8.20
Reflected ripple current
NNL05-9
NNL05-10
12.0
20.0
70
100
15
75
5.0
mA p-p
Input no load current
NNL05-9
V
IN
= 5.5V V
OUT
= 0.75V
V
IN
= 5.5V V
OUT
= 3.3V
V
IN
= 12.0V V
OUT
= 0.75V
V
IN
= 12.0V V
OUT
= 5.0V
mA
NNL05-10
Input standby current
Module Disabled
mA
OUTPUT CHARACTERISTICS
Parameter
Conditions
T
A
= –40°C to 85°C
(see thermal performance characteristics)
Min.
Typ.
Max.
Units
Rated current
5.0
A
Voltage set point accuracy Using 1% tolerance resistor
-2.0
+2.0
1.0
0.1
1.0
0.2
%
Line regulation
Low line to high line
NNL05-9
NNL05-10
NNL05-9
NNL05-10
NNL05-9
NNL05-10 0.75V
NNL05-10 5.0V
Peak deviation
Settling time
Peak deviation
Settling time
%
Load regulation
0% load to 100% load
%
Ripple & noise
BW = DC to 20MHz
with 1μF ceramic
and 10μF tantalum
NNL05-9
I
OUT
= 2.5A–5.0A–2.5A
NNL05-10
I
OUT
= 2.5A–5.0A–2.5A
30
9
20
60
25
70
35
9.0
mV p-p
Transient response
mV
μs
mV
μs
A
Current limit inception
1 Specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.