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Single Output
DC/DC Converter
Series M-78-NZ
Up to 7.5 Watt | DC-DC Converter
Models
Single output
Model
M-783.3-NZ
M-785.0-NZ
M-786.5-NZ
M-789.0-NZ
M-7812-NZ
M-7815-NZ
FEATURES:
•
No heatsink required
•
3 Pin SIP package
•
Non-isolated
•
Low ripple and noise
•
RoHS compliant
•
Operating temperature -40°C to +85°C
•
Very high efficiency up to 96%
•
Pin compatible to multiple manufacturers
•
Regulated outputs
Input Voltage
(V)
4.5-30
6.5-30
8-30
11-30
15-30
18-30
Output Voltage
(V)
3.3
5
6.5
9
12
15
Output Current
max (mA)
500
500
500
500
500
500
Efficiency
Vin Max (%)
77
81
85
89
92
93
Efficiency
Vin Min (%)
90
94
95
95
96
96
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
Parameters
Voltage range
Filter
Quiescent current
Short circuit consumption
Conditions
Vin=(LL-HL) at 0% load
Typical
See the table above
Capacitor
Maximum
13
Units
VDC
mA
W
1.8
Output Specifications
Parameters
Voltage accuracy
Short circuit protection
Short circuit restart
Output current limit
Thermal shutdown
Line voltage regulation
Load voltage regulation
Temperature coefficient
Ripple & Noise
Max capacitive load
Conditions
100% load
Typical
±3
Continuous
Auto recovery
Maximum
Units
%
2
Internal IC junction
Vin=(LL-HL) at full load
10-100% load
-40°C to +85°C ambient
20MHz Bandwidth
160
±1
±0.75
±0.02
35
1000
A
C
%
%
o
%/ C
mV p-p
uF
o
General Specifications
Parameters
Switching frequency
Operating temperature
Storage temperature
Maximum case temperature
Cooling
Humidity
Case material
Weight
Dimensions
(L x W x H)
MTBF
Soldering temperature
Conditions
100% load
With derating above 71
o
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)
2
0.45 x 0.30 x 0.40 inches 11.50 x 7.55 x 10.20 mm
o
> 2 000 000 hrs (MIL-HDBK-217F, Ground Benign, t=+25 C)
1.5 mm from case for 10 sec
300
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C
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Pin Out Specifications
Pin
1
2
3
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Dimensions
Positive Output Negative Output
+V Input
Ground
+V Output
+V Input
-V Output
Ground
11.50
(0.45)
PRINTED
FACE
7.55
(0.30)
9.70
(0.38)
Make-Ps
10.20
(0.40)
0.50
(0.02)
0.30
(0.01)
4.00
(0.16)
2.54
(0.1)
Standard Application Circuit
+V input
C1
1
M-78Z
2
7.55
(0.30)
3
C2
+V output
Ground
Ground
0.50
(0.02)
Dimensions are in mm (inch)
Pin Tolerance: ±0.16 mm(0.004 inch)
Case Tolerance : ±0. 25 mm(0. 01 inch)
External Capacitor values
Model Number
M-783.3-NZ
M-785.0-NZ
M-786.5-NZ
M-789.0NZ
M-7812-NZ
M-7815-NZ
C1, C3
(ceramic capacitor)
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
C2, C4
(ceramic capacitor)
22uF/16V
22uF/16V
10uF/16V
10uF/16V
10uF/25V
10uF/25V
Ripple and Noise Reduction
+V input
C1
1
M-78Z
2
Ground
Ground
3
C2
+V output
22uF
L
Recommended value of inductor L is between 10uH to 47uH
2 of 3
1.80
(0.70)
0.50
(0.02)
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Derating
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