NNL10 SERIES
Non-Isolated DC/DC Converters
GENERAL CHARACTERISTICS
1
Parameter
Conditions
MIN
TYP
MAX
Units
ABSOLUTE MAXIMUM RATINGS
300
4.0
0
2.6
-500
TBA
0.3
100
kHz
ms
V
µA
V
µA
kHrs
Short circuit protection
Remote Sense
DC OK
Remote ON/OFF
Trim
Input Voltage V
IN
Minimum load
Continuous
V
OUT
±0.5V
DC
-0.2Vdc to +17V
DC
20mA
-0.2V
DC
to +17V
DC
-0.3V
DC
to V
OUT
6.5V
DC
0%
Switching Frequency
Start Delay
Remote On/Off
From power on/remote off
Module On (or pin unconnected)
Module Off
MTTF
ENVIRONMENTAL
1
Parameter
Conditions
MIN
TYP
MAX
Units
Operation
Over Temperature Protection
Storage
See thermal performance
characteristics
Substrate temperature
–40
115
–55
85
125
°C
°C
°C
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.
R
INTERNAL
VALUES
V
OUT SET
R
INTERNAL
FIG.1
(kOhm)
5.1
30.1
59.0
100.0
100.0
100.0
78.7
59.0
FIG.2
(V)
0.9
1.0
1.2
1.5
1.8
2.0
2.5
3.3
V
IN
NNL10
TRIM
R
TRIM
V
OUT
V
IN
R
TRIM
NNL10
TRIM
V
OUT
GND
GND
To increase the output voltage, an external resistor (Fig. 1) or voltage
source should be connected between the Trim pin and GND pin.
R
TRIM–UP
=
24.080
∆V
OUT
– R
INTERNAL
KΩ
V
TRIM–UP
= 0.8 –
∆V
OUT
x R
INTERNAL
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 V
OUT
pin.
R
TRIM–DOWN
=
V
OUT
–0.8
–1 x 30.100 – R
INTERNAL
KΩ
∆V
OUT
V
TRIM–DOWN
= 0.8 +
∆V
OUT
x
R
INTERNAL
30.100
The trim pin should be left disconnected if not used.
2
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