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LMZ23605 데이터시트 PDF




National Semiconductor에서 제조한 전자 부품 LMZ23605은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 LMZ23605 자료 제공

부품번호 LMZ23605 기능
기능 5A SIMPLE SWITCHER Power Module
제조업체 National Semiconductor
로고 National Semiconductor 로고


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LMZ23605 데이터시트, 핀배열, 회로
LMZ23605
April 5, 2011
5A SIMPLE SWITCHER® Power Module with 36V Maximum
Input Voltage
Easy to use 7 pin package
Performance Benefits
High efficiency reduces system heat generation
Complies with EN55022 Class B (Note 5)
Low component count, only 5 external components
Low output voltage ripple
Uses PCB as heat sink, no airflow required
TO-PMOD 7 Pin Package
30116986
10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in)
θJA = 12°C/W, θJC = 1.9°C/W (Note 6)
RoHS Compliant
Electrical Specifications
30W maximum total output power
Up to 5A output current
Input voltage range 6V to 36V
Output voltage range 0.8V to 6V
Efficiency up to 92%
Key Features
Integrated shielded inductor
Simple PCB layout
Frequency synchronization input (650 kHz to 950 kHz)
Flexible startup sequencing using external soft-start,
tracking and precision enable
Protection against inrush currents and faults such as input
UVLO and output short circuit
– 40°C to 125°C junction temperature range
Single exposed pad and standard pinout for easy
mounting and manufacturing
Fast transient response for powering FPGAs and ASICs
Fully enabled for Webench® Power Designer
Pin compatible with LMZ22005/LMZ23603/LMZ22003
Applications
Point of load conversions from 12V and 24V input rail
Time critical projects
Space constrained / high thermal requirement applications
Negative output voltage applications See AN-2027
System Performance
Efficiency VIN = 12V VOUT = 5.0V
100
90
80
70
60
50
40
30
20
10
0
0
1234
OUTPUT CURRENT (A)
5
4
3
2
1
0
5
30116903
Thermal derating curve
www.DataSheet.net/
VIN = 12V VOUT = 5.0V
6
5
4
3
2
1
θJA=12°C/W
0
30 40 50 60 70 80 90 100 110 120 130
AMBIENT TEMPERATURE (°C)
30116989
Radiated EMI (EN 55022)
of Demo Board (See AN–2125)
50
45
40
35
30
25
20
15
10
5
0
0
Class A Limit
Class B Limit
Horiz Peak
Horiz Quasi-peak
200 400 600 800 1000
FREQUENCY (MHz)
30116995
© 2011 National Semiconductor Corporation 301169
www.national.com
Datasheet pdf - http://www.DataSheet4U.co.kr/




LMZ23605 pdf, 반도체, 판매, 대치품
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN to PGND
EN, SYNC to AGND
SS/TRK, FB to AGND
AGND to PGND
Junction Temperature
Storage Temperature Range
-0.3V to 40V
-0.3V to 5.5V
-0.3V to 2.5V
-0.3V to 0.3V
150°C
-65°C to 150°C
ESD Susceptibility (Note 2)
For soldering specifications:
see product folder at www.national.com and
www.national.com/ms/MS/MS-SOLDERING.pdf
± 2 kV
Operating Ratings (Note 1)
VIN
EN, SYNC
Operation Junction Temperature
6V to 36V
0V to 5.0V
−40°C to 125°C
Electrical Characteristics Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the
junction temperature (TJ) range of -40°C to +125°C. Minimum and Maximum limits are guaranteed through test, design or statistical
correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only.
Unless otherwise stated the following conditions apply: VIN = 12V, Vout = 3.3V
Symbol Parameter
Conditions
Min
(Note 3)
Typ
(Note 4)
Max
(Note 3)
Units
SYSTEM PARAMETERS
Enable Control
VEN
VEN-HYS
Soft-Start
EN threshold trip point
EN input hysteresis current
VEN rising
VEN > 1.279V
1.10
1.279 1.458
V
–21 µA
ISS
tSS
Current Limit
SS source current
Internal soft-start interval
VSS = 0V
40 50 60 µA
1.6 msec
ICL Current limit threshold
Internal Switching Oscillator
d.c. average
5.4 A
fosc
fsync
VIL-sync
Free-running oscillator
frequency
Synchronization range
Synchronization logic zero
amplitude
Sync input connected to ground.
www.DataSheet.net/
Relative to AGND
711 812 914 kHz
650 950 kHz
0.4 V
VIH-sync
Synchronization logic one
amplitude
Relative to AGND.
1.5
V
Sync d.c.
Synchronization duty cycle
range
15 50 85 %
Dmax
Maximum Duty Factor
Regulation and Over-Voltage Comparator
83 %
VFB
VFB-OV
In-regulation feedback voltage
Feedback over-voltage
protection threshold
VSS >+ 0.8V
IO = 5A
0.776
0.796 0.816
0.86
V
V
IFB Feedback input bias current
IQ Non Switching Input Current
ISD Shut Down Quiescent Current
Thermal Characteristics
VFB= 0.86V
VEN= 0V
5 nA
2.6 mA
70 μA
TSD
TSD-HYST
θJA
Thermal Shutdown
Thermal shutdown hysteresis
Junction to Ambient(Note 6)
Rising
Falling
4 layer Evaluation Printed Circuit Board,
60 vias, No air flow
165 °C
15 °C
12.0 °C/W
2 layer JEDEC Printed Circuit Board, No
air flow
21.5 °C/W
θJC Junction to Case
No air flow
1.9 °C/W
www.national.com
4
Datasheet pdf - http://www.DataSheet4U.co.kr/

4페이지










LMZ23605 전자부품, 판매, 대치품
Efficiency 3.3V output @ 25°C ambient
100
90
80
70
60
50
40
0
9 Vin
12 Vin
20 Vin
24 Vin
30 Vin
36 Vin
1234
OUTPUT CURRENT (A)
5
30116954
Efficiency 2.5V output @ 25°C ambient
90
80
70
60
50
40
30
0
6 Vin
9 Vin
12 Vin
20 Vin
24 Vin
30 Vin
36 Vin
1234
OUTPUT CURRENT (A)
5
30116956
Efficiency 1.8V output @ 25°C ambient
90
80
70
60
50
40
30
0
6 Vin
9 Vin
12 Vin
20 Vin
24 Vin
30 Vin
36 Vin*
1234
OUTPUT CURRENT (A)
5
30116958
Dissipation 3.3V output @ 25°C ambient
7 36 Vin
30 Vin
6 24 Vin
20 Vin
5
12 Vin
9 Vin
4
3
2
1
0
012345
OUTPUT CURRENT (A)
30116955
Dissipation 2.5V output @ 25°C ambient
7 36 Vin
30 Vin
6 24 Vin
20 Vin
5
12 Vin
9 Vin
6 Vin
4
3
2
1
www.DataSheet.net/
0
0
1234
OUTPUT CURRENT (A)
5
30116957
Dissipation 1.8V output @ 25°C ambient
7 36 Vin*
30 Vin
6 24 Vin
20 Vin
5
12 Vin
9 Vin
6 Vin
4
3
2
1
0
012345
OUTPUT CURRENT (A)
30116959
7 www.national.com
Datasheet pdf - http://www.DataSheet4U.co.kr/

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