L6928D View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6928D' PDF : 16 Pages View PDF
Electrical characteristics
L6928
4
Electrical characteristics
VIN = 3.6 V, TJ = 25 °C unless otherwise specified.
Table 5: Electrical characteristics
Symbol
Parameter
Test conditions
Min.
VCC
Operating input
voltage
After turn-on(1)
2
VCC ON
Turn-on
threshold
VCCOFF
Turn-off
threshold
VCC_hys Hysteresis
VCC = 3.6 V, ILX = 100 mA
Rp
High-side Ron
Typ.
2.2
100
240
Rn
Low-side Ron
VCC = 3.6 V, ILX = 100 mA
215
Peak current limit
ILIM
VCC = 3.6 V
Valley current
limit
VOUT
Output voltage
range
fOSC
Oscillator
frequency
fsync
Sync mode clock
DC characteristics
Quiescent
current (low
noise mode)
Vsync = 0 V, no-load, VFB > 0.6 V
Iq
Quiescent
current (low
consumption
Vsync = VCC, no-load, VFB > 0.6 V
mode)
Ish
Shutdown current RUN to GND, VCC = 5.5 V
ILX
LX leakage
current
RUN to GND, VLX = 5.5 V,
VCC = 5.5 V
RUN to GND, VLX = 0 V, VCC = 5.5 V
Error amplifier characteristics
VFB
IFB
Run
Voltage feedback
(1)
Feedback input
current
VFB = 0.6 V
1
0.85
1
0.9
VFB
1
0.593
0.590
1.2
1.4
1.4
230
25
0.2
1
1
0.600
0.600
25
Max.
5.5
2
300
400
300
400
1.5
1.65
1.7
1.85
VCC
2
50
0.607
0.610
Unit
V
V
V
mV
mΩ
A
V
MHz
µA
V
V
nA
8/21
DocID11051 Rev 9
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