Datasheet

L6928 Electrical characteristics
Doc ID 11051 Rev 7 5/16
3 Electrical characteristics
T
J
= 25 °C, V
IN
= 3.6 V unless otherwise specified.
.
Table 4. Electrical characteristics
(1)
Symbol Parameter Test condition Min. Typ. Max. Unit
V
cc
Operating input voltage After turn on
(1)
25.5V
V
cc ON
Turn On threshold 2.2 V
V
cc OFF
Turn Off threshold 2 V
V
cc hys
Hysteresis 100 mV
R
p
High side R
ON
V
cc
= 3.6 V, I
lx
=100 mA
240 300
mΩ
(1)
400
R
n
Low side R
ON
V
cc
= 3.6 V, I
lx
=100 mA
215 300
mΩ
(1)
400
I
lim
Peak current limit V
cc
= 3.6 V
11.21.5
A
(1)
0.85 1.65
Valley current limit V
cc
= 3.6 V
11.41.7
A
(1)
0.9 1.85
V
OUT
Output voltage range V
fb
V
CC
V
f
osc
Oscillator frequency 1.4 MHz
f
sync
Sync mode clock
(2)
12MHz
DC characteristics
I
q
Quiescent current (low
noise mode)
V
sync
= 0 V, no load,
V
FB
> 0.6 V
230µA
Quiescent current (low
consumption mode)
V
sync
= V
CC
, no load,
V
FB
> 0.6 V
(1)
25 50 µA
I
sh
Shutdown current RUN to GND, V
CC
= 5.5 V 0.2 µA
I
lx
LX leakage current
(2)
RUN to GND, V
LX
= 5.5 V,
V
CC
= 5.5 V
1µA
RUN to GND, V
LX
= 0 V,
V
CC
= 5.5 V
1µA
Error amplifier characteristics
V
fb
Voltage feedback
0.593 0.600 0.607 V
(1)
0.590 0.600 0.610 V
I
fb
Feedback input current
(2)
V
FB
= 0.6 V 25 nA
Run
V
run_H
RUN threshold high 1.3 V
V
run_L
RUN threshold low 0.4 V