TC39x BC/BD-Step
Electrical SpecificationEVR
Table 3-34 EVRC SMPS
Parameter
Symbol
Values
Typ.
Unit
Note / Test Condition
Min.
Max.
Input VEXT Voltage range
VIN SR
2.97
-
5.5
V
V
Start-up VEXT voltage
> 2.6 V
SMPS regulator output voltage
range including load/line
regulation and aging
V
DDDC CC
1.125
-
1.375
1.275
2.0
V
EXT ≥ 2.97V ; VEXT
5.5V ; IDDDC ≥ 1mA ;
DDDC ≤ 1.5A ;
untrimmed
EXT ≥ 2.97V ; VEXT
5.5V ; IDDDC ≥ 1mA ;
DDDC ≤ 1.5A
≤
I
SMPS regulator static voltage
output accuracy after trimming
without dynamic load/line
regulation.
V
DDDCT CC 1.225
1.25
1.82
V
V
≤
I
Programmable switching
frequency
f
DCDC SR
1.6
MHz
Start-up frequency
switches from 500 KHz
in open loop operation
to 1.82 MHz in closed
loop Operation.
-
0.8
-
MHz
Start-up frequency
switches from 500 KHz
in open loop operation
to 1.82 MHz in closed
loop Operation. 0.8
MHz to be set in SW.
Startup time
t
STRDC CC
-
-
900
µs
SMPS Start-up Mode. It
is is defined beween
VEXTPRIUV reset
threshold till PORST
release, on condition
that all other PORST
requirements were
released before. ISTART
< 700mA.
Switching frequency modulation ΔfDCSPR CC -
spread
1.8%
-
-
MHz
mV
Maximum ripple at IMAX
ΔVDDDC CC
-
16
V
EXT ≥ 2.97V ; VEXT
5.5V ; IDDDC ≥ 300mA ;
DDDC ≤ 1.5A ; ΔVDDDC
(Peak to Peak ripple / 2)
DCDC=1.82MHz;
DDDC=ISLEEP; VEXT
≤
I
=
No load current consumption of IDCNL CC
SMPS regulator
-
-
15
5
19
-
mA
mA
f
I
>
2.97 V; TJ=25°C
LPM mode;
IDDDC=ISLEEP; VEXT
>
2.97 V; TJ=25°C
Data Sheet
470
V 1.2, 2021-03
OPEN MARKET VERSION
INFINEON [ Infineon ]
