l6928 STMicroelectronics, l6928 Datasheet - Page 5

• Manufacturer Part Number: l6928
• Description: High Efficiency Monolithic Synchronous Step Down Regulator
• Manufacturer: STMicroelectronics

L6928
3
Table 4. Electrical characteristcs
(T
DC characteristics
Error amplifier characteristics
Symbol
V
J
V
V
cc OFF
f
V
cc hys
= 25°C, V
V
cc ON
f
sync
I
V
R
R
I
osc
I
I
lim
I
sh
out
lx
fb
cc
q
fb
p
n
Operating input voltage
Turn On threshold
Turn Off threshold
Hysteresis
High side Ron
Low side Ron
Peak current limit
Valley current limit
Output voltage range
Oscillator frequency
Sync mode clock
Quiescent current (low
noise mode)
Quiescent current (low
cunsumption mode)
Shutdown current
LX leakage current
Voltage feedback
Feedback input current
Electrical characteristics
IN
= 3.6V unless otherwise specified)
Parameter
(2)
(2)
(2)
After turn on
V
V
V
V
V
V
V
V
RUN to GND, V
RUN to GND, V
V
RUN to GND, V
V
V
cc
cc
cc
cc
sync
FB
sync
FB
cc
cc
FB
= 3.6V, I
= 3.6V, I
= 3.6V
= 5.5V
= 5.5V
= 3.6V
> 0.6V
> 0.6V
= 0.6V
= 0V, no load,
= V
cc
, no load,
Test condition
lx
lx
=100mA
=100mA
(1)
cc
LX
LX
= 5.5V
= 5.5V,
= 0V,
(1)
(1)
(1)
(1)
(1)
(1)
(1)
0.593
0.590
0.85
Min
0.9
V
2
1
1
1
fb
Electrical characteristics
0.600
0.600
Typ
100
240
215
230
2.2
1.2
1.4
1.4
0.2
25
25
1
1
0.607
0.610
Max
1.65
1.85
300
400
300
400
Vcc
5.5
1.5
1.7
50
2
2
MHz
MHz
Unit
mΩ
mΩ
mV
µA
µA
µA
µA
µA
nA
V
V
V
A
A
V
V
V
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