AMSRU-78JZ
DC-DC Switching Regulator
Preliminary
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AMSRU-78JZ
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Aimtec introduces the new AMSRU-78JZ, a 0.5A Switching Regulator which is
designed to be a plug and play alternative to the traditional 78xx series threeterminal linear regulators.
The series features an ultra-wide input voltage range of 9-90V, 1.5mA low no
load input current, continuous short-circuit protection, low ripple noise (typ.:
40mV) and much more.
The new AMSRU-78JZ series has operating temperature from -40°C to +85°C,
delivers efficiencies up to 93%, eliminating the need for a heat sink and cutting
additional design space and installation cost. This series is suitable for use in
applications such as industrial controls, medical, mining, railway and other
related industries.
Features
•
•
•
•
•
•
Summary
Input Range: 9VDC – 90VDC
Operating Temp: -40 °C to +85 °C
Low ripple & noise, up to 40mV(p-p) typ.
Efficiency up to 93%
Output short circuit protection
Regulated Output
AMSRU-78JZ
90
125
24
85
15
85
7.5
3.3
4.5
3
Input voltage
(VDC)
1.2
Output voltage
(V)
71
1.65
Power
(W)
-40
-40
Temp. range
(℃)
Derating
(℃)
Applications
Training
Press Release
Coming Soon!
Product Training Video
(click to open)
F 052e R4
REV: 02/20/A
Application Notes
www.Aimtec.com
1
AMSRU-78JZ
DC-DC Switching Regulator
Preliminary
Models & Specifications
Single Output
Model
Input Voltage (VDC)
Output Voltage
(VDC)
Output Current Max
(mA)
Maximum
Capacitive
Load (µF)
Efficiency (%)
Full Load
AMSRU-7803JZ
AMSRU-7805JZ
AMSRU-7806JZ
AMSRU-7809JZ
AMSRU-7812JZ
AMSRU-7815JZ
AMSRU-7824JZ
48 (9 ~ 90)
3.3
500
100
82
48 (9 ~ 90)
48 (9 ~ 90)
48 (14 ~ 90)
48 (18 ~ 90)
48 (20 ~ 90)
48 (36 ~ 90)
5
6.5
9
12
15
24
500
500
500
500
500
300
100
100
100
100
100
100
87
91
91
91
93
93
100
100
100
100
82
87
91
91
100
100
91
93
100
93
48 (9 ~ 90)
3.3
500
AMSRU-7803LJZ
48 (9 ~ 90)
5
500
AMSRU-7805LJZ
48 (9 ~ 90)
6.5
500
AMSRU-7806LJZ
48 (14 ~ 90)
9
500
AMSRU-7809LJZ
48 (18 ~ 90)
12
500
AMSRU-7812LJZ
48 (20 ~ 90)
15
500
AMSRU-7815LJZ
48
(36
~
90)
24
300
AMSRU-7824LJZ
Note: Adding a letter of “L” for L models with right angled leads. Ex: AMSRU-78xxLJZ
Input Specification
Parameters
Voltage range
No load input current
Filter
Reverse polarity at input
Conditions
Typical
Maximum
Units
1.5
VDC
mA
See models table
Capacitance filter
Avoid / Not protected
Output Specification
Parameters
Voltage accuracy
Line regulation
Load regulation
Short circuit protection
Temperature coefficient
Ripple & Noise*
Transient recovery time
Transient response deviation
F 052e R4
REV: 02/20/A
Conditions
Typical
Maximum
Units
10 ~ 100% input, 3.3V output model
10 ~ 100% input, Others
Full load, 3.3V output model
Full load, Others
10 ~ 100% load
± 3.5
± 2.0
± 0.6
± 0.6
± 1.0
± 4.5
±3
± 1.5
± 1.2
± 2.0
%
%
%
%
%
%/ oC
mV pk-pk
µS
%
Continuous, Auto recovery
20MHz bandwidth, full load
25% load step change
40
200
± 0.03
80
1000
25% load step change
± 0.4
± 1.5
www.Aimtec.com
2
AMSRU-78JZ
DC-DC Switching Regulator
Preliminary
General Specifications
Parameters
Switching frequency *
Operating temperature
Storage temperature
Pin soldering temperature
Cooling
Humidity
Case material
Weight
Conditions
Typical
Full load
See derating graph
300
Maximum
Units
KHz
oC
oC
oC
-40 to +85
-55 to +125
Soldering spot is 1.5mm away from case, 10 sec max
300
Free air convection
Non-condensing
95
% RH
Non-conductive black plastic (UL94V-0 rated)
3.8
g
0.45 x 0.35 x 0.69 inches, 11.50 x 9.00 x 17.50mm
Dimensions (L x W x H)
L models
0.75 x 0.45 x 0.35 inches, 19.00 x 11.50 x 9.00mm
> 2 000 000 hrs (MIL-HDBK -217F, t=+25oC) / Full Load
MTBF
*Different output voltage with different switching frequency.
Safety Specifications
Parameters
EMC - Conducted and radiated emission
Electrostatic Discharge Immunity
RF, Electromagnetic Field Immunity
Electrical Fast Transient/Burst Immunity
Surge Immunity
RF, Conducted Disturbance Immunity
Standards
CISPR32/EN55032, CLASS B with EMI recommended circuit
IEC 61000-4-2, Contact ±4KV, Criteria B
IEC 61000-4-3, 10V/m, Criteria B
IEC 61000-4-4, 100KHz, ±1KV, Criteria B with EMS recommended circuit
IEC 61000-4-5, line to line ±1KV, Criteria B with EMS recommended circuit
IEC 61000-4-6, 3Vr.m.s, Criteria B
Derating
For 24V output model(Vin:36~60V)
Others model normally Vin
For 24V output model(Vin≧60V)
Free air Convection
Free air Convection
100
Output Power (%)
Output Power (%)
100
80
60
Safe Operating Area
40
20
60
Safe Operating Area
40
30
20
0
- 40
80
- 20
0
20
40
60
71
85
80
0
100
- 40
Ambient Temperature º C
F 052e R4
REV: 02/20/A
- 20
0
20
40
50
60
85
80
100
Ambient Temperature º C
www.Aimtec.com
3
AMSRU-78JZ
DC-DC Switching Regulator
Preliminary
Typical Application Circuit
+V input
+V input
Cin
10uF/100V
+V output
DC-DC Converter
Cout
GND
Load
Model
Cout
3.3V/5V/6.5V output
9V output
12V/15V output
24V output
22 µF / 10V
22 µF / 16V
22 µF / 25V
10 µF / 50V
-V input
Note :
- For input voltage exceeding 80Vdc, an input capacitor of 22uF/100V is required.
- For certain applications, increased values and/or tantalum or low ESR electrolytic capacitors may also be used instead.
EMC Recommended Circuit
For EMS
For EMI
+V input
+V input
LDM
120uH
MOV
S20K30
C1
680uF/
100V
+
C2
4.7uF/100V
C3
4.7uF/100V
+V output
DC-DC Converter
GND
C4
10uF/50V
Load
-V input
Dimensions
Pin Out Specifications
Pin
Function
1
+V Input
2
GND
3
+V Output
F 052e R4
REV: 02/20/A
www.Aimtec.com
4
AMSRU-78JZ
Preliminary
Front
View
11.50
(0.45)
DC-DC Switching Regulator
2.54
(0.10)
9.00
(0.35)
Ø 1.00
(Ø 0.04)
0.50
(0.02)
17.50
(0.69)
Side
View
2.54
(0.10)
1
2
Dimensions are typical values: mm (inch)
General Tolerance: ± 0.50 (± 0.02)
Pin Tolerance: ± 0.1 (± 0.004)
0.50
(0.024)
4.10
(0.16)
DIV: 2.54 (0.1)
3
0.30
(0.01)
2.54
(0.10)
2.15
(0.09)
3.21
(0.13)
Bottom
View
L Models
Footprint
11.50
(0.45)
17.50
(0.69)
1.35
(0.05)
Dimensions are typical values: mm (inch)
General Tolerance: ± 0.50 (± 0.02)
Pin Tolerance: ± 0.1 (± 0.004)
9.00
(0.35)
Bottom
View
5.08
(0.20)
4.10
(0.16)
0.50
(0.02)
5.08
(0.20)
19.00
(0.75)
Side
View
Φ 1.00
(Φ 0.04)
17.5
(0.69)
Pin Out Specifications
Pin
Function
1
+V Input
2
GND
3
+V Output
F 052e R4
REV: 02/20/A
www.Aimtec.com
5
AMSRU-78JZ
Preliminary
DC-DC Switching Regulator
NOTE: 1. Datasheets are updated as needed and as such, specifications are subject to change without notice. Once printed or downloaded, datasheets are no longer controlled by Aimtec; refer to
www.aimtec.com for the most current product specifications. 2. Product labels shown, including safety agency certifications on labels, may vary based on the date manufactured. 3. Mechanical
drawings and specifications are for reference only. 4. All specifications are measured at an ambient temperature of 25°C, humidity
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