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