l6920 STMicroelectronics, l6920 Datasheet - Page 3

• Manufacturer Part Number: l6920
• Description: 1v High Efficiency Syncronous Step Up Converter
• Manufacturer: STMicroelectronics

Table 4. Electrical Characteristcs
(V
V
POWER SECTION
CONTROL SECTION
Symbol
SHDN
T
CC
T
in
R
R
V
V
V
onmax
offmin
Irev
V
V
V
I
I
on-N
on-P
LBO
I
lim
= 2V, FB = GND, T
sd
ou
LBI
ref
q
in
in
SECTION
t
Minimum operating Input Voltage
Minimum Start Up Input Voltage
Quiescent Current
Shut Down Current
Reverse battery current
Active switch ON resistance
Synchronous switch ON
resistance
Output voltage
Output voltage range
LBI threshold
LBO
LX switch current limit
Maximum on time
Minimum off time
SHDN
SHDN
Reference Voltage
logic LOW
logic LOW
logic HIGH
Parameter
amb
= -40°C to 85°C and T
I
LBI = SHDN = 2V, T
I
LBI = SHDN = 2V, T
V
V
FB = OUT, I
FB = GND, I
External divider
0°C < T
I
V
V
l
l
sink
out
out
in
in
=0 mA, FB = 1.4V, V
=0 mA, FB = 1.4V, V
= 5V, I
= -4V, T
< 250µA
= 2V to 5.3V
= 2V to 5.3V
j
< 70°C
Test Condition
j
l
< 125°C unless otherwise specified)
=0 mA
j
l
l
= T
=0 mA
=0 mA
amb
j
j
= T
= T
out
out
amb
amb
= 3.3V
= 5V
1.205
Min.
1.18
3.75
0.75
1.18
0.6
3.2
4.9
0.8
0.6
2
Typ.
1.23
1.23
1.23
120
120
0.1
0.1
3.3
0.2
11
9
5
1
5
1
1.255
Max.
1.27
6.25
1.25
1.27
250
250
3.4
5.1
5.2
0.4
1.2
0.2
15
18
1
1
2
L6920
Unit
mΩ
mΩ
µA
µA
µA
µA
µs
µs
V
V
V
V
V
V
V
V
A
V
V
V
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