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Single Output
DC/DC Converter
Series M-78B-NZ
FEATURES:
3 Pin SIP Package
Up to 9.75 Watt | DC-DC Converter
Pin-out compatible with LM78XX Linear Regulators
Continuous Short Circuit Protection
Non-Isolated Regulated Output
Operating temperature -40°C to +85°C
Wide input range
Very High Efficiency Up To 95%
Low ripple and noise
Models
Efficiency
Efficiency
Input Voltage
(V)
Output Voltage
(V)
Output Current
max (A)
Model
Vin Min
(%)
88
Vin Max
(%)
85
M-78B2.5-NZ
M-78B3.3-NZ
M-78B5.0-NZ
M-78B6.5-NZ
4.75-18
4.75-18
6.5-18
8-18
2.5
3.3
5
1.5
1.5
1.5
1.5
91
93
95
88
91
93
6.5
NOTE: All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at
rated output load unless otherwise specified.
Input Specifications
Input Specifications
Voltage range
Nominal
Typical
See the table above
Maximum
Units
VDC
Filter
Capacitor
Quiescent Current
Short Circuit consumption
Vin=(LL-HL) at full load
5
0.5
10
1.8
mA
W
Output Specifications
Output Specifications
Voltage accuracy
Conditions
100% load
Typical
Maximum
Units
%
±3
Short Circuit protection
Short circuit restart
Continuous.
Auto recovery
Output current limit
Thermal shutdown
5
A
ºC
mV
%
Internal IC junction
10-100% load
Vin=(LL-HL) at full load
10-100% load
-40°C to +85°C ambient
20MHz Bandwidth
150
Dynamic load stability
Line voltage regulation
Load voltage regulation
Temperature coefficient
Ripple & Noise
±100
±0.75
±1
±0.02
45
%
%/oC
mV p-p
µF
Maximum Capacitive Load
1000
General Specifications
Input Specifications
Conditions
100% load
With derating above 71°C
Typical
340
Maximum
Units
KHz
oC
Switching frequency
Operating temperature
Storage temperature
Max Case temperature
Cooling
Humidity
Case material
Weight
-40 to +85
-55 to +125
oC
100
95
oC
Free air convection
%
g
Non-conductive black plastic (UL94-V0 rated)
4
Dimensions (L x W x H)
MTBF
Soldering Temperature
0.45 X 0.35 X 0.69 inch
> 2 000 000 hrs (MIL-HDBK-217F, Ground Benign, t=+25°C)
1.5 mm from case for 10 sec 300
11.50 X 8.90 X 17.50 mm
oC
1 of 4
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