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Series AMSRO-78-NZ
Up to7.5Watt | DC-DC Switching Regulator
FEATURES:
• Short Circuit Protection
• High efficiency up to 95%
• Non-Isolated
•
•
•
Operating temperature -40°C to +85°C
Very low No load input current
Pin Compatible to LM78xx
Models
Single output
Input Voltage
Nom/Range
Output
Output
Efficiency
Efficiency
Max.
Capacitive
load (µF)
680
Model
Voltage
(V)
3.3
5
Current max
(mA)
500
Vin Min
(%)
86
Vin Max
(%)
80
(V)
AMSRO-783.3-NZ
AMSRO-7805-NZ
24 / 4.75-36
24 / 6.5-36
12 / 7-31
24 / 15-36
12 / 8-24
24 / 19-36
12 / 8-21
500
-300
500
-150
500
-150
90
80
94
84
95
85
84
81
91
85
93
87
680
330
680
330
680
330
-5
12
-12
15
-15
AMSRO-7812-NZ
AMSRO-7815-NZ
NOTE: For Input voltage >30VDC, an input capacitor 22µF/50V is required.
Input Specifications
Parameters
Conditions
Typical
Maximum
Units
Voltage range
See the table above
VDC
Filter
Capacitor
Quiescent current
Vin=(LL-HL) at 0% load
1.5
mA
Output Specifications
Parameters
Conditions
Typical
Maximum
Units
100% load, 3.3V output
100% load, Others
±4
±3
Voltage accuracy
±2
%
Short Circuit protection
Short circuit restart
Continuous
Auto recovery
±0.2
Line voltage regulation
Load voltage regulation
Temperature coefficient
Transient response deviation
Transient Recovery time
Ripple & Noise
Vin=(LL-HL) at full load
Nominal Input, 10-100% load
-40°C to +85°C ambient
%
%
±0.4
±0.03
%/oC
mV
mSec
mV p-p
250
1
75
Nominal Input, 25% load step change
20MHz Bandwidth, 10-100% load
20
General Specifications
Parameters
Conditions
100% load
Typical
330-850
Maximum
Units
KHz
oC
Switching frequency
Operating temperature
Storage temperature
Max Case temperature
Cooling
With derating above 71oC
-40 to +85
-55 to +125
oC
100
95
oC
Free air convection
Humidity
Weight
Non condensing
%
g
1
Dimensions (L x W x H)
MTBF
Soldering Temperature
0.39 x 0.28 x 0.43 inches 10.00 x 7.20 x 11.00 mm
>2 000 000 hrs (MIL-HDBK-217F, Ground Benign, t=+25oC)
1.5 mm from case for 10 sec
260
oC
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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