Series AMSR1-78Z
Up to 5 Watt | DC-DC Converter
FEATURES:
• 3 Pin SIP package
• No heatsink required
• Operating temperature -40°C to +85°C
• Non-isolated regulated output
• Short circuit protection
• Pin-out compatible with LM78XX
Linear Regulators
•
High efficiency Up To 94%
• Low ripple and noise
Models
Single output
Efficiency
Efficiency
Vin Max
Input Voltage
Output Voltage
Output Current
Model
Vin Min
(%)
78
(V)
(V)
max (mA)
(%)
72
76
81
85
89
AMSR1-781.5Z
AMSR1-781.8Z
AMSR1-782.5Z
AMSR1-783.3Z
AMSR1-7805Z
4.75-18
4.75-18
4.75-18
4.75-18
6.50-18
1.5
1.8
2.5
3.3
5
1000
1000
1000
1000
1000
82
87
90
94
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
Nominal
Typical
See the table above
Maximum
Maximum
Units
VDC
Voltage range
Filter
Absolute Maximum Rating
Capacitor
-.0.3~20
VDC
Output Specifications
Parameters
Conditions
Typical
Units
Voltage accuracy
±2
%
Short Circuit protection
Short Circuit restart
Line voltage regulation
Load voltage regulation
Temperature coefficient
Ripple & Noise
Continuous
Auto-Recovery
Vin=(LL-HL) at full load
10-100% load
±0.5
±0.6
±0.02
60
%
%
%/oC
20MHz Bandwidth
mV p-p
% of Iout max
uF
Minimum Load Current
Capacitive load
10
220
General Specifications
Parameters
Switching frequency
Operating temperature
Storage temperature
Maximum case temperature
Cooling
Conditions
100% load
With derating above +60
Typical
330
Maximum
Units
KHz
oC
-40 to +85
-40 to +125
oC
100
95
oC
Free Air Convection
Humidity
Case material
Weight
% RH
g
Non-conductive black plastic (UL94V-0 rated)
2
Dimensions (L x W x H)
MTBF
Maximum soldering temperature
0.46 x 0.29 x 0.40 inches
> 4300000 hrs (MIL-HDBK-217F, Ground Benign, t=+25 oC)
1.5 mm from case for 10sec 260
11.70 x 7.40 x 10.20 mm
oC
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