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OKDH-T-40-W12-001-C Schematic ( PDF Datasheet ) - Murata

Teilenummer OKDH-T-40-W12-001-C
Beschreibung 40A Digital PoL DC-DC Converter
Hersteller Murata
Logo Murata Logo 




Gesamt 30 Seiten
OKDH-T-40-W12-001-C Datasheet, Funktion
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






OKDH-T-40-W12-001-C Datasheet, Funktion
Characteristics
PCTRL
Input standby power
Turned off with
CTRL-pin
Ci Internal input capacitance
Co Internal output capacitance
Total external output capacitance
COUT ESR range of capacitors
(per single capacitor)
Conditions
Default configuration: Monitoring
enabled, Precise timing enabled
See Note 9
See Note 9
Vtr1
Load transient peak
voltage deviation
(H to L)
Load step 25-75-25%
of max IO
Default configuration
di/dt = 2 A/μs
CO = 470 μF (minimum external
capacitance) see Note 12
VO = 0.6 V
VO = 1.0 V
VO = 1.8 V
VO = 3.3 V
ttr1
Load transient recovery
time, Note 5
(H to L)
Load step 25-75-25%
of max IO
Default configuration
di/dt = 2 A/μs
CO = 470 μF (minimum external
capacitance) see Note 12
VO = 0.6 V
VO = 1.0 V
VO = 1.8 V
VO = 3.3 V
Switching frequency
fs Switching frequency range
Switching frequency set-point accuracy
Control Circuit PWM Duty Cycle
Minimum Sync Pulse Width
Input Clock Frequency Drift Tolerance
PMBus configurable
External clock source
Input Under Voltage Lockout,
UVLO
Input Over Voltage Protection,
IOVP
Power Good, PG,
See Note 2
Output voltage
Over/Under Voltage Protection,
OVP/UVP
Over Current Protection,
OCP
UVLO threshold
UVLO threshold range
Set point accuracy
UVLO hysteresis
UVLO hysteresis range
Delay
Fault response
IOVP threshold
IOVP threshold range
Set point accuracy
IOVP hysteresis
IOVP hysteresis range
Delay
Fault response
PG threshold
PG hysteresis
PG delay
PG delay range
UVP threshold
UVP threshold range
UVP hysteresis
OVP threshold
OVP threshold range
UVP/OVP response time
UVP/OVP
response time range
Fault response
OCP threshold
OCP threshold range
Protection delay,
Protection delay range
Fault response
PMBus configurable
PMBus configurable
See Note 3
PMBus configurable
PMBus configurable
See Note 3
PMBus configurable
PMBus configurable
PMBus configurable
PMBus configurable
See Note 3
PMBus configurable
See Note 4
PMBus configurable
See Note 3
OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
PRELIMINARY
Min Typ Max Unit
180 mW
140 μF
400 μF
470
30 000
μF
5 30 mΩ
250
250
240
220
150
100
100
50
320
200-640
-5
5
150
-13
5
95
13
3.85
3.85-14
-150 150
0.35
0-10.15
2.5
Automatic restart, 70 ms
16
4.2-16
-150 150
1
0-11.8
2.5
Automatic restart, 70 ms
90
5
10
0-500
85
0-100
5
115
100-115
25
5-60
Automatic restart, 70 ms
48
0-48
32
1-32
Automatic restart, 70 ms
mV
μs
kHz
kHz
%
%
ns
%
V
V
mV
V
V
μs
V
V
mV
V
V
μs
% VO
% VO
ms
s
% VO
% VO
% VO
% VO
% VO
μs
μs
A
A
Tsw
Tsw
www.murata-ps.com/support
MDC_OKDx-T/40-W12-xxx-C.A01.D6 Page 6 of 40

6 Page









OKDH-T-40-W12-001-C pdf, datenblatt
Typical Characteristics
Start-up and shut-down
Start-up by input source
OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
PRELIMINARY
Shut-down by input source
Start-up enabled by connecting VI at:
TP1 = +25 °C, VI = 12 V, VO = 1.0 V
CO = 470 μF/10 mΩ, IO = 40 A
Start-up by CTRL signal
Top trace: output voltage (0.5 V/div.).
Bottom trace: input voltage (5 V/div.).
Time scale: (20 ms/div.).
Shut-down enabled by disconnecting
VI at:
TP1 = +25 °C, VI = 12 V, VO = 1.0 V
CO = 470 μF/10 mΩ, IO = 40 A
Shut-down by CTRL signal
Top trace: output voltage (0.5 V/div).
Bottom trace: input voltage (5 V/div.).
Time scale: (2 ms/div.).
Start-up by enabling CTRL signal at:
TP1 = +25 °C, VI = 12 V, VO = 1.0 V
CO = 470 μF/10 mΩ, IO = 40 A
Top trace: output voltage (0.5 V/div.).
Bottom trace: CTRL signal (5 V/div.).
Time scale: (20 ms/div.).
Shut-down enabled by disconnecting
VI at:
TP1 = +25 °C, VI = 12 V, VO = 1.0 V
CO = 470 μF/10 mΩ, IO = 40 A
Top trace: output voltage (0.5 V/div).
Bottom trace: CTRL signal (5 V/div.).
Time scale: (2 ms/div.).
www.murata-ps.com/support
MDC_OKDx-T/40-W12-xxx-C.A01.D6 Page 12 of 40

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