L6920DC
3
Electrical characteristics
Electrical characteristics
Table 4. Electrical characteristcs
(VIN = 2V, FB = GND, TJ = 25°C unless otherwise specified)
Symbol
Parameter
Test condition
Min Typ Max Unit
VCC Section
VIN
Minimum Start Up Input
Voltage
Iq Quiescent Current
Isd Shut Down Current
Irev Reverse battery current
Vout = 3.3V
Il = 0 mA, FB = 1.4V, Vout = 3.3V
LBI = SHDN = 2V
Il = 0 mA, FB = 1.4V, Vout = 5V
LBI = SHDN = 2V
Vin = 5V, Il = 0 mA
Vin = -4V
0.8
V
9 12 µA
11 15 µA
0.1 1 µA
0.1 1 µA
Power section
Ron-N
Ron-P
Active switch ON resistance
Synchronous switch ON
resistance
300
mΩ
300
mΩ
Control section
Vout Output voltage
Output voltage range
VLBI LBI threshold
VLBO LBO logic LOW
Ilim LX switch current limit
Tonmax Maximum on time
Toffmin Minimum off time
SHDN SHDN logic LOW
SHDN logic HIGH
Vref Reference Voltage
FB = OUT, Il = 0 mA
FB = GND, Il = 0 mA
External divider
Isink = 1mA
Vout = 3.3V
Vout = 3.3V
3.2 3.3 3.4 V
4.9 5 5.1 V
1.8
5.5 V
1.23
V
0.2 0.4 V
0.55
0.9 A
3.75 5 6.25 µs
0.75 1 1.25 µs
0.2 V
0.6
V
1.18 1.23 1.27 V
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