Infineon OPTIREG TLF30681QVS01, Manual

Page: 27 / 133

4.2.2 Electrical characteristics Buck2
Table 6 Electrical characteristics Buck2
T
j
= -40°C to 150°C; V
R1VSx
= 3.7 V to 35 V; all voltages with respect to ground, positive current flowing into pin
(unless otherwise specified)
Parameter Symbol Values Unit Note or condition Number
Min. Typ. Max.
Input voltage V
R2VSx
2.9 V
R1FB
4.0 V P_4.2.2.1
Output voltage adjustment
range
V
R2FB,RANGE
0.9 – 1.3 V – P_4.2.2.3
Output voltage adjustment
step size
V
R2FB,STEP
– 50 – mV V
R2FB
= V
R2FB,RANGE
P_4.2.2.4
Output voltage tolerance V
R2FB,TOL
-2 – +2 % – P_4.2.2.10
Maximum output current I
R2IOUT
1.0 – – A – P_4.2.2.12
High-side switch on-
resistance
R
DSOn,R2HS
– 190 – mΩ V
R2VSx
= 3.3 V P_4.2.2.32
Low-side switch on-
resistance
R
DSOn,R2LS
– 115 – mΩ V
R2VSx
= 3.3 V P_4.2.2.33
Overcurrent protection
threshold
I
R2,OCP
– – 3 A – P_4.2.2.19
Overcurrent timeout t
R2,OCP
95 100 115 µs – P_4.2.2.20
Minimum on-time t
R2SWx
64 79 87 ns Minimum on-time
for internal high
side control signal.
The actual on-time
on the R2SWx pins
depends on the
application design.
P_4.2.2.22
Overtemperature warning
threshold
T
j,R2OT,WRN
130 145 160 °C
12)
T
j
increasing P_4.2.2.23
Overtemperature warning
threshold
T
j,R2OT,WRN
120 135 150 °C
12)
T
j
decreasing P_4.2.2.24
Overtemperature shutdown
threshold
T
j,R2OT,FLT
175 190 205 °C
12)
T
j
increasing P_4.2.2.25
Overtemperature shutdown
threshold
T
j,R2OT,FLT
165 180 195 °C
12)
T
j
decreasing P_4.2.2.26
External power stage components
Effective inductance
L
R2
1.2 2.2 4.0 µH
13)
P_4.2.2.28
Effective output capacitance C
R2
52 66 120 µF
13)14)
P_4.2.2.30
12
Not subject to production test, specified by design.
13
For additional information on the allowed L, C combinations see Application information .
OPTIREG
™
PMIC TLF30681QVS01
Power management IC
Power converters and power management
Datasheet 27 Rev. 1.0
2020-04-08