DCM4623xD2K04A5yzz
Electrical Specifications
Specifications apply over all line, trim and load conditions, internal temperature TINT = 25ºC, unless otherwise noted. Boldface specifications apply over the
temperature range of -40°C < TINT < 125°C for T grade and -55°C < TINT < 125°C for M grade.
Attribute
Symbol
Conditions / Notes
Min
160
Typ
270
Max
Unit
Power Input Specification
Input voltage range
VIN
IINRP
Continuous operation
420
3.0
V
A
Inrush current (peak)
With maximum COUT-EXT, full resistive load
Effective value at nominal input voltage
At 1 MHz
Input capacitance (internal)
Input capacitance (internal) ESR
Input inductance (external)
CIN-INT
RCIN-INT
LIN
0.8
µF
2.50
mΩ
µH
Differential mode, with no further line bypassing
No Load Specification
5
Nominal line, see Fig. 3
1.0
2.2
2.0
2.9
3.4
4.0
W
W
W
W
Input power – disabled
PQ
Worst case line, see Fig. 3
Nominal line, see Fig. 4
Input power – enabled with no load
PNL
Worst case line, see Fig. 4
Power Output Specification
VIN = 270 V, nominal trim, at 100% Load, TINT = 25°C
Output voltage set point
VOUT-NOM
3.28
3.3
3.32
V
V
Trim range over temp, with > 45% rated load.
Specifies the Low, Nominal and High Trim conditions.
Rated output voltage trim range
VOUT-TRIMMING
3.0
3.3
3.6
Linear load line. Output voltage increase from full rated
load current to no load (Does not include light load
regulation). See Fig. 6 and Sec. Design Guidelines
Output voltage load regulation
ΔVOUT-LOAD
0.1555
0.1737
0.1921
V
0% to 45% load, additional VOUT relative to calculated
load-line point; see Fig. 6 and Sec. Design Guidelines
Output voltage light load regulation
ΔVOUT-LL
-0.20
0.87
V
Output voltage temperature
coefficient
Nominal, linear temperature coefficient, relative to
TINT = 25ºC. See Fig. 5 and Design Guidelines Section
ΔVOUT-TEMP
-0.44
mV/°C
The total output voltage setpoint accuracy from the
VOUT accuracy
%VOUT-ACCURACY calculated ideal VOUT based on load, temp and trim.
-3.0
3.0
%
Excludes ΔVOUT-LL
Rated output power
Rated output current
POUT
IOUT
Continuous, VOUT ≥ 3.3 V
Continuous, VOUT ≤ 3.3 V
150
W
A
45.46
Of rated IOUT max. Fully operational current limit, for
nominal trim and below
Output current limit
Current limit delay
IOUT-LM
100
120
143
%
tIOUT-LIM
The module will power limit in a fast transient event
Full load, nominal line, nominal trim
1
ms
%
%
%
87.5
84.2
80.3
88.8
Efficiency
η
Full load, over line and temperature, nominal trim
50% load, over rated line, temperature and trim
20 MHz bandwidth. At nominal trim, minimum COUT-EXTand
at least 45 % rated load
Output voltage ripple
VOUT-PP
500
mV
Output capacitance (internal)
COUT-INT
Effective value at nominal output voltage
At 1 MHz
252
µF
Output capacitance (internal) ESR
RCOUT-INT
0.080
mΩ
Excludes component temperature coefficient For load
transients that remain > 45% rated load
Output capacitance (external)
Output capacitance (external)
Output capacitance (external)
COUT-EXT
1000
4000
8000
10000
10000
10000
µF
µF
µF
Excludes component temperature coefficient For load
transients down to 0% rated load, with static trim
Excludes component temperature coefficient Forload
transientsdownto0%ratedload,withdynamictrimming
COUT-EXT-TRANS
COUT-EXT-
TRANS-TRIM
DCM™ DC-DC Converter
Rev 1.2
Page 6 of 25
07/2017