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PDF ( 数据手册 , 数据表 ) OKDY-T-40-W12-001-C

零件编号 OKDY-T-40-W12-001-C
描述 40A Digital PoL DC-DC Converter
制造商 Murata
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OKDY-T-40-W12-001-C 数据手册, 描述, 功能
www.murata-ps.com
OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
PRELIMINARY
Typical units
FEATURES
Small package:
30.85 x 20.0 x 8.2 mm (1.215 x 0.787 x 0.323 in)
SIP: 33.0 x 7.6 x 18.1 mm (1.30 x 0.30 x 0.713 in)
0.6 V - 3.3 V output voltage range
High efficiency, typ. 97.2% at 5Vin, 3.3Vout half
load
Configuration and Monitoring via PMBus
Synchonization & phase spreading
Current sharing, Voltage Tracking & Voltage
margining
MTBF 14.2 Mh
PRODUCT OVERVIEW
Fully regulated
For narrow board pitch applications (15 mm/0.6 in)
Non-Linear Response for reduction of decoupling cap.
Input under voltage shutdown
Over temperature protection
Output short-circuit & Output over voltage protection
Remote control & Power Good
Voltage setting via pin-strap or PMBus
Configurable via Graphical User Interface
ISO 9001/14001 certified supplier
Highly automated manufacturing ensures quality
PART NUMBER STRUCTURE
OKD x - T / 40 - W12 - xxx - C
Digital Non-isolated PoL
Y = Surface Mount
H = Horizontal Mount Through-Hole
X = SIP
Trimmable Output
Voltage Range
0.6 - 3.3Vdc
RoHS Hazardous
Substance Compliance
C = RoHS-6 (does not claim EU RoHS exemption
7b – lead in solder)
Software Configuration Digits
(001 is positive turn-on logic)
Maximum Rated Output
Current in Amps
Input Voltage Range
4.5-14Vdc
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
PM
MDC_OKDx-T/40-W12-xxx-C.A01.D6 Page 1 of 40







OKDY-T-40-W12-001-C pdf, 数据表
Typical Characteristics
Efficiency and Power Dissipation
Efficiency vs. Output Current, VI = 5 V
[%]
100
95
90
85
80
75
0
8 16 24 32
Efficiency vs. load current and output voltage:
TP1 = +25 °C, VI=5 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Efficiency vs. Output Current, VI = 12 V
[%]
100
40 [A]
95
90
85
80
75
0
8 16 24 32
Efficiency vs. load current and output voltage at
TP1 = +25 °C, VI = 12 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
40 [A]
Efficiency vs. Output Current and Switching Frequency
OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
PRELIMINARY
Power Dissipation vs. Output Current, VI = 5 V
[W]
8
6
0.6 V
1.0 V
1.8 V
3.3 V
4
2
0
0 8 16 24 32
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI = 5 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Power Dissipation vs. Output Current, VI = 12 V
[W]
8
40 [A]
0.6 V
1.0 V
1.8 V
3.3 V
6
0.6 V
1.0 V
1.8 V
3.3 V
4
0.6 V
1.0 V
2 1.8 V
3.3 V
0
0 8 16 24 32 40 [A]
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI = 12 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Power Dissipation vs. Output Current and Switching Frequency
[%]
95
90
85
80
75
70
0
8 16 24 32
Efficiency vs. load current and switch frequency at
TP1 = +25 °C, VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mΩ
Default configuration except changed frequency
40 [A]
[W]
8
200
kHz
6
320
kHz
4
480
kHz
640 2
kHz
0
0 8 16 24 32
Dissipated power vs. load current and switch frequency at
TP1 = +25 °C. VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mΩ
Default configuration except changed frequency
200
kHz
320
kHz
480
kHz
640
kHz
40 [A]
www.murata-ps.com/support
MDC_OKDx-T/40-W12-xxx-C.A01.D6 Page 8 of 40







OKDY-T-40-W12-001-C equivalent, schematic
Typical Characteristics
Efficiency and Power Dissipation
Efficiency vs. Output Current, VI = 5 V
OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
PRELIMINARY
Power Dissipation vs. Output Current, VI = 5 V
[%] [W]
100 5
95 4
90 3
0,6 V
85
1,0 V
2
0,6 V
1,0 V
80
1,8 V
1
3,3 V
1,8 V
3,3 V
75 0
0 4 8 12 16 20 [A]
0 4 8 12 16 20 [A]
Efficiency vs. load current and output voltage:
TP1 = +25 °C, VI = 5 V, fsw = 320 kHz, CO = 470 μF/10 mŸ.
Efficiency vs. Output Current, VI = 12 V
[%]
100
95
90
85
80
75
0 4 8 12 16 20 [A]
0,6 V
1,0 V
1,8 V
3,3 V
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI = 5 V, fsw = 320 kHz, CO = 470 μF/10 mŸ.
Power Dissipation vs. Output Current, VI = 12 V
[W]
5
4
3
2
1
0
0 4 8 12 16 20 [A]
0,6 V
1,0 V
1,8 V
3,3 V
Efficiency vs. load current and output voltage at
TP1 = +25 °C, VI = 12 V, fsw = 320 kHz, CO = 470 μF/10 mŸ.
Efficiency vs. Output Current and
Switching Frequency
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI=12 V, fsw = 320 kHz, CO = 470 μF/10 mŸ.
Power Dissipation vs. Output Current and
Switching frequency
[%]
95
200
90 kHz
320
85 kHz
480
80 kHz
75
640
kHz
70
0 4 8 12 16 20 [A]
[W]
5
4
3
2
1
0
0 4 8 12 16 20 [A]
Efficiency vs. load current and switch frequency at
TP1 = +25 °C, VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mŸ
Default configuration except changed frequency
Dissipated power vs. load current and switch frequency at
TP1 = +25 °C, VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mŸ
Default configuration except changed frequency
200
kHz
320
kHz
480
kHz
640
kHz
www.murata-ps.com/support
MDC_OKDx-T/40-W12-xxx-C.A01.D6 Page 16 of 40










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Murata

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