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Single Output
DC/DC Converter
FEATURES:
3 Pin SIP Package
Pin-out compatible with LM78XX Linear Regulators
Short Circuit Protection
Non-Isolated Regulated Outputs
Operating temperature -40°C to +85°C
Wide input range
Very High Efficiency Up To 96%
Low ripple and noise
Series M-78H-NZ
Up to 12 Watt | DC-DC Converter
Models
Single output
Model
Input Voltage
(V)
Output Voltage
(V)
Output Current
max (A)
Efficiency
Vin Min
(%)
90
93
94
95
96
Maximum
Efficiency
Vin Max
(%)
83
88
90
92
94
Units
VDC
7
1.2
mA
W
M-78H3.3-NZ
M-78H5.0-NZ
M-78H6.5-NZ
M-78H9.0-NZ
M-78H12-NZ
4.75-28
6.5-32
9.0-32
12-32
16-32
Nominal
3.3
5
6.5
9
12
1
1
1
1
1
Typical
See the table above
Capacitor
5
0.5
Input Specifications
Input Specifications
Voltage range
Filter
Quiescent Current
Short Circuit consumption
Vin=(LL-HL) at full load
Output Specifications
Output Specifications
Voltage accuracy
Short Circuit protection
Short circuit restart
Output current limit
Thermal shutdown
Dynamic load stability
Line voltage regulation
Load voltage regulation
Temperature coefficient
Ripple & Noise
Maximum Capacitive Load
Conditions
100% load
Typical
±3
Continuous.
Auto recovery
Maximum
Units
%
2
Internal IC junction
10-100% load
Vin=(LL-HL) at full load
10-100% load
-40°C to +85°C ambient
20MHz Bandwidth
150
±100
±0.4
±0.6
±0.02
35
2000
A
ºC
mV
%
%
o
%/ C
mV p-p
µF
General Specifications
Input Specifications
Switching frequency
Operating temperature
Storage temperature
Max Case temperature
Cooling
Humidity
Case material
Weight
Dimensions
(L x W x H)
MTBF
Soldering Temperature
Conditions
100% load
With derating above 71°C
Typical
330
-40 to +85
-55 to +125
Maximum
Units
KHz
o
C
o
C
o
C
%
g
o
100
Free air convection
95
Non-conductive black plastic (UL94V-0 rated)
3.7
0.45 X 0.35 X 0.69 inch
11.50 X 8.90 X 17.50 mm
> 2 000 000 hrs (MIL-HDBK-217F, Ground Benign, t=+25°C)
1.5 mm from case for 10 sec
300
C
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.
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Pin Out Specifications
Pin
1
2
3
Single
+Vin
GND
+Vout
Dimensions
Footprint
2.54
(0.10)
Make-Ps
Ø 1.0 +0.15/-0
(Ø 0.04 + 0.006/-0
2.54
(0.10)
DIV: 2.54 (0.1)
Dimensions are typical values: mm (inch)
General Tolerance: ± 0.25 (± 0.01)
Pin Tolerance: ± 0.1 (± 0.004)
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Derating
Free Air Convection
71º C
100
Output Power (%)
80
Safe Operating Area
60
40
20
0
- 40
- 20
0
20
40
60
80
85
100
Ambient Temperature
º C
Typical Application Circuit
Vin
1
M-78HXX-NZ
3
Vout
C1
22µF
2
C2
100µF
GND
GND
C1: A low ESR capacitor is required to keep the noise of the converter to a minimum.
Ceramic capacitors are recommended, but tantalum or electrolytic may be used. Typical value is 22µF / 50V.
C2: Installation of C2 is recommended but optional. Typical recommended value is 100µF / 25V electrolytic.
NOTE: This part is not designed for parallel operation.
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