PM6680 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
PM6680
STMicroelectronics
'PM6680' PDF : 49 Pages View PDF
Electrical characteristics
4
Electrical characteristics
PM6680
Table 5.
Symbol
Electrical characteristics
VIN = 12 V, TA = 0 °C to 85 °C, unless otherwise specified (1)
Parameter
Test condition
Min
Supply section
VIN Input voltage range
Vout = Vref, LDO5 in
regulation
5.5
Vcc IC supply voltage
4.5
Turn-on voltage threshold
VV5SW Turn-off voltage threshold
4.6
Hysteresis
20
VV5SW
Rdson
Maximum operating range
LDO5 internal bootstrap
switch resistance
V5SW > 4.9
OUTx,OUTx discharge-mode
on-resistance
OUTx,OUTx discharge-mode
synchronous rectifier
0.2
Turn-on level
Pin
Operating power consumption
FBx > VREF, Vref in
regulation, V5WS to 5 V
Ish
Operating current sunk by VIN SHDN connected to GND,
Isb
Operating current sunk by VIN ENx to GND, V5SW to GND
Shutdown section
Device on threshold
1.2
VSHDN
Device off threshold
0.8
Soft start section
Soft start ramp time
2
Current limit and zero crossing comparator
ICSENSE Input bias current limit
90
Comparator offset
VCSENSE-VPGND
-6
Zero crossing comparator offset VPGND - VPHASE
-1
Fixed negative current limit
threshold
VPGND - VPHASE
Typ
4.8
4.75
50
1.8
18
0.36
14
190
1.5
0.85
100
-120
Max Unit
28
V
5.5
V
4.9
V
V
mV
5.5
V
3
Ω
25
Ω
0.6
V
4
mW
18
µA
250 µA
1.7
V
0.9
V
3.5 ms
110 µA
6
mV
11
mV
mV
12/49
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