M78AR025-0.5 반도체 회로 부품 판매점
Switching Regulator
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 MINMAX |
®
FEATURES
►SIP-Package 11.5x7.55x10.2 mm
►Pin-out compatible with LM78xx Linear Regulators
►Very high Efficiency up tp 97%
►Excellent Line/Loads Regulation
►Low Ripple and Noise
►Short Circuit Protection
►Operating Temp.Range -40°C to +90°C
►Thermal Shutdown
►Low Stand-by Current
►3 Years Product Warranty
M78A
Switching Regulator 0.5A, SIP Package
PRODUCT OVERVIEW
The MINMAX M78A series is a new range of switching regulators designed as a drop-in replacement for old LM78xx linear regulators with low
efficiency.The very high efficiency of these step-down converters allow an operating temperature up to 80°C at full-load without need of any heatsink. The
regulators come in a package which fits in the standard TO-220 footprint of linear regulators.
The high efficiency and low stand-by power consumption of these switching regulators offer the designer a new, cost-efficient solution for many applications.
Model Selection Guide
Model
Number
Input Voltage
Range(6)
M78AR015-0.5
M78AR018-0.5
M78AR025-0.5
M78AR033-0.5
M78AR05-0.5
M78AR065-0.5
M78AR09-0.5
M78AR12-0.5
M78AR15-0.5
VDC
4.75 ~ 32
6.5 ~ 32
8 ~ 32
11 ~ 32
15 ~ 32
18 ~ 32
Output
Voltage
VDC
1.5
1.8
2.5
3.3
5
6.5
9
12
15
Output Current
Max.
mA
500
500
500
500
500
500
500
500
500
Max. capacitive
Load
µF
220
220
220
220
220
220
220
220
220
Efficiency
(typ.)
@Min. Vin
%
73
82
87
91
94
95
96
97
97
Efficiency
(typ.)
@Max. Vin
%
63
71
77
81
86
88
92
94
95
Input Specifications
Parameter
Input Surge Voltage (1 sec. max.)
Internal Filter Type
Internal Power Dissipation
Short Circuit Input Power
Input Current
Output Specifications
Parameter
Output Voltage Setting Accuracy
Line Regulation
Load Regulation
Min.Load
Ripple & Noise
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Short Circuit Protection
Conditions
@No Load
Min. Typ. Max. Unit
-0.3 ---
34 VDC
Capacitor
--- --- 0.4 W
--- --- 1.5 W
--- 5 --- mA
Conditions
Min.
---
Vin=Min. to Max.
1.5V to 6.5V
9V to 15V
---
---
Io=10% to 100%
1.5V to 6.5V
9V to 15V
---
---
No minimum Load Requirement
0-20MHz Bandwidth
1.5V to 6.5V
9V to 15V
---
---
50% Load Step Change
---
---
---
Continuous
Typ.
±2.0
±0.2
±0.1
±0.4
±0.25
---
---
100
±2
---
Max.
±3.0
±0.4
±0.2
±0.6
±0.4
30
40
---
---
±0.015
Unit
%Vnom.
%
%
%
%
mV P-P
mV P-P
µsec
%
%/℃
E-mail:[email protected] Tel:886-6-2923150
2014/04/15 REV:6 Page 1 of 3
® M78A
Switching Regulator 0.5A, SIP Package
General Specifications
Parameter
I/O Isolation Voltage
Switching Frequency
MTBF(calculated)
Conditions
Min. Typ. Max. Unit
None
280 330 380 KHz
MIL-HDBK-217F@25℃, Ground Benign
2,000,000
---
--- Hours
Environmental Specifications
Parameter
Operating Ambient Temperature Range (See Power Derating Curve)
Case Temperature
Storage Temperature
Thermal Shutdown
Humidity (non condensing)
Lead-free reflow solder process(1.5mm from case for 10Sec.)
Conditions
Natural Convection
Internal IC junction
Min. Typ. Max. Unit
-40 --- +90 ℃
--- --- +100 ℃
-55 --- +125 ℃
--- 160 ---
℃
--- --- 95 % rel. H
--- --- 260 ℃
EMC Specifications
Parameter
Conducted EMI
Radiated Emissions
ESD
Radiated immunity
Fast transient (4)
Conducted immunity
Magnetic Field Immunity
Standards & Level
Compliance to EN55022 and FCC part 15
EN55022
EN61000-4-2 air±8KV
EN61000-4-3 3V/m
EN61000-4-4 ±0.5KV
EN61000-4-6 3Vrms
EN61000-4-8 3A/m
Performance
Class B (See Page 3)
Class B
Class A
Class A
Class A
Class A
Class A
Power Derating Curve
Notes
1 Specifications typical at Ta=+25℃, resistive load, nominal input voltage, rated output current unless otherwise noted.
2 Other input and output voltage may be available, please contact factory.
3 We recommend to protect the converter by a slow blow fuse in the input supply line.
4 The M78A series can meet EN61000-4-4 by adding a capacitor across the input pins. Suggested capacitor CHEMI-CON KY 330µF/100V.
5 That “natural convection” is about 20LFM but is not equal to still air (0 LFM).
6 With a input capacitor 22µF/50V for input voltage >28VDC, the input voltage allows 32VDC, max.
7 Specifications are subject to change without notice.
E-mail:[email protected] Tel:886-6-2923150
2014/04/15 REV:6 Page 2 of 3
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M78AR025-0.5 regulator
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