Efficiency greater than 93% with a built in heat sink.
Two phase 500KHz switching for low ripple noise.
Flexible Fault Response features
Multiple turn-on/off slew rates and delays
Digital Filter Compensation
Synchronous operation with other supplies
Real time performance monitoring
GUI based configuration for short development time.
Low height of 1.1” suitable for 1U high enclosures
UL 60950-1/CSA 22.2 No. 60950-1-07 Second Edition, IEC 60950-1:
2005, and EN 60950-1:2006 (pending)
FEATURES
DESCRIPTION
Power-One’s
DP8140G
is an intelligent, fully programmable step-down point-of-load DC-DC converter integrating digital power
conversion and intelligent power management. The dPOL is used in conjunction with DM73xx Series Digital Power Manager
(DPM), and completely eliminates the need for external components for output voltage setting, sequencing, tracking, protection,
monitoring, error amplifier compensation and reporting. All performance parameters of the DP8140G are programmable and
managed through Digital Power Manager via the industry-standard I
2
C communication bus and can be changed by a user at any
time during product development and operation. Telemetry data is available in real time and can be accessed over the I²C bus.
BCD.00264_AA_October-11-2013
1
www.power-one.com
DATA SHEET
1
ORDERING INFORMATION
DP
81
Series:
Intelligent dPOL
Converter
40
Output
Current:
40A
G
RoHS compliance:
G
- RoHS compliant for all six
substances
–
Dash
zz
Packaging Option
1
T050
- 50pc Tray
Sample
quantity orders have no suffix.
Product
family:
d-pwer
®
Example:
DP8140G-T050:
A 50-piece tray of RoHS compliant dPOL converters. Each dPOL converter is labeled DP8140G.
Reference Documents
DM7300 Digital Power Manager Data Sheet
DM7300 Digital Power Manager Programming Manual
Power-One I
2
C Graphical User Interface
DM00056-KIT USB to I
2
C Adapter Kit. User Manual
2
ABSOLUTE MAXIMUM RATINGS
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long term
reliability, and cause permanent damage to the converter.
PARAMETER
Inductor or Printed Circuit Board (PCB)
Temperature
Input Voltage
Output Current
CONDITIONS/DESCRIPTION
Input Voltage applied
250ms Transient
(See Output Current De-rating Curves)
MIN
-40
MAX
125
15
UNITS
C
VDC
ADC
-16
20
3
ELECTRICAL SPECIFICATIONS
Specifications apply at the input voltage from 8V to 14V, output load from 0 to 20A, ambient temperature from -40° C to 85° C.
Test conditions include an output filter with 3 x 330F 20mΩ solid electrolytic, plus 2 x 22F X7R ceramic output capacitors,
unless otherwise noted.
3.1
INPUT SPECIFICATIONS
PARAMETER
Input Voltage (V
IN
)
Input Current (at no load)
Undervoltage Lockout
VLDO Input Current
V
IN
=14.0V, V
OUT
=3.3V
Ramping Up
Ramping Down
Current drawn from the external low voltage
supply at VLDO=8V
5
50
CONDITIONS/DESCRIPTION
MIN
8
NOM
50
MAX
14
UNITS
VDC
mADC
7.5
VDC
VDC
mADC
1
Packaging option is used only for ordering and not included in the part number printed on the dPOL converter label.
DP8140G 40A DC-DC Intelligent dPOL
2
www.power-one.com
DATA SHEET
3.2
OUTPUT SPECIFICATIONS
PARAMETER
Output Voltage Range (V
OUT
)
Output Voltage Setpoint Resolution
Output Voltage Setpoint Accuracy
Output Current (I
OUT
)
Line Regulation
Load Regulation
Dynamic Regulation
Peak Deviation
Settling Time
2
nd
Vo Loop Enabled
V
IN MIN
to V
IN MAX
V
IN MIN
to V
IN MAX
0 to I
OUT MAX
Slew rate 1A/s, 50 -75% load step
F
SW
=500kHz
to 10% of peak deviation
See Output Load Transient Section
V
IN
=8.0V, V
OUT
=0.7V
Output Voltage Peak-to-Peak Ripple
and Noise
Scope BW=20MHz
Full Load
V
IN
=8.0V, V
OUT
=2.5V
V
IN
=8.0V, V
OUT
=5.5V
V
IN
=14V, V
OUT
=0.7V
V
IN
=14V, V
OUT
=2.5V
V
IN
=14V, V
OUT
=5.5V
Temperature Coefficient
Switching Frequency
V
IN
=12V, I
OUT
=0.5× I
OUT MAX
Default
Programmable to
Default
Programmable, 1.56% steps
3.125
-32
2
± 0.3
± 0.2
50
CONDITIONS/DESCRIPTION
MIN
0.7
NOM
MAX
5.5
UNITS
VDC
2.5mV (1 LSB)
± (0.6% + 5mV)
40
ADC
%V
OUT
%V
OUT
mV
60
10
20
40
18
35
50
20
500
500/1000
90.5
100
s
mV
mV
mV
mV
mV
mV
ppm/° C
kHz
kHz
%
%
Duty Cycle Limit
At negative (sink) output current (bus terminator mode) the efficiency of the DP8140G degrades resulting in increased internal power dissipation and
switching noise. Therefore maximum allowable negative current under specific conditions is lower than the current determined from the de-rating curves
shown in paragraph.
2
BCD.00264_AA_October-11-2013
3
www.power-one.com
DATA SHEET
3.3
PROTECTION SPECIFICATIONS
CONDITIONS/DESCRIPTION
Default
Programmable
Default
Programmable in 11 steps
36
-20
Output Overvoltage Protection
Type
Default
Programmable
Default
Programmable in 10% steps
Measured at V
O.SET
=2.5V
From instant when threshold is exceeded
until the turn-off command is generated
Default
Programmable to
110
-2
6
Emergency Off
Critical Off / Emergency Off
Output Undervoltage Protection
Type
Default
Programmable
Default
Programmable in 5% steps
Measured at V
O.SET
=2.5V
From instant when threshold is exceeded
until the turn-off command is generated
Default
Programmable to
75
-2
6
Sequenced Off
Sequenced / Critical Off
Overtemperature Protection
Type
Turn Off Threshold
Turn On Threshold
Threshold Accuracy
Delay
Turn Off Behavior
3
From instant when threshold is exceeded
until the turn-off command is generated
Default
Programmable to
Default
Programmable
Temperature is increasing
Temperature is decreasing after the
module was shut down by OTP
4
-5
6
Sequenced Off
Sequenced / Critical Off
Non-Latching, 130ms period
Latching/Non-Latching
120
110
5
C
C
C
μs
Non-Latching, 130ms period
Latching/Non-Latching
75
90
2
%V
O.SET
%V
O.SET
%V
UVP.SET
μs
Non-Latching, 130ms period
Latching/Non-Latching
130
130
2
%V
O.SET
%V
O.SET
%V
OVP.SET
μs
PARAMETER
MIN
NOM
Non-Latching, 130ms period
Latching/Non-Latching
132
MAX
UNITS
Output Overcurrent Protection
Type
Threshold
Threshold Accuracy
%
IOUT
132
+20
%
IOUT
%I
OCP.SET
Threshold
Threshold Accuracy
Delay
Turn Off Behavior
3
Threshold
Threshold Accuracy
Delay
Turn Off Behavior
3
Sequenced Off: The turn-off follows the turn-off delay and slew-rate settings; Critical Off: At turn-off both low and high switches are immediately disabled;
Catastrophic Off: At turn-off the high side switch is disabled and the low side switch is enabled.
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