BL8082
ELECTRICAL CHARACTERISTICS
(Vin=5V, TA=25C)
BL8082CKATR3318
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
BUCK
VDD
Input Voltage Range
2.6
7
V
Vref
Ifb
Feedback Voltage
VDD=5V
0.588
0.6
0.1
50
0.612
1
V
uA
Feedback Leakage current
Active, Vfb=0.65, No Switching
Shutdown
uA
Iq
Quiescent Current
1
uA
LnReg
LdReg
Fsoc
Line Regulation
VDD=2.7V to 5.5V
Iout=0.01 to 1A
0.1
0.1
1.5
6.5
250
150
1.5
75
0.2
0.2
%/V
%/A
MHz
V
Load Regulation
Switching Frequency
Input over voltage lockout
PMOS Rdson
OVP
RdsonP
RdsonN
Ilimit
350
250
2
mohm
mohm
A
NMOS Rdson
Peak Current Limit
1.2
1
Inoload*
Iswlk
VDD=5V, Vout=3.3V, Iout=0
uA
SW Leakage Current
EN Leakage Current
EN Input High Voltage
EN Input Low Voltage
Vout=6V, VSW=0 or 6V, EN=0V
1
1
uA
Ienlk
uA
Vh_en
Vl_en
V
0.5
V
LDO
VIN1
VIN2
VO1
Input Voltage Range
Input Voltage Range
Output Voltage
VO1
VO2
12
12
V
V
0≤Iout≤1A , VIN1=4.7V
0≤Iout≤1A , VIN2=3.2V
Iout=10mA, VO+1.4V≤VIN≤12V
VIN=VO+1.4V, 10mA≤Iout≤1A
Iout=100mA
3.234
1.764
3.3
1.8
3.366
1.836
0.3
V
VO2
Output Voltage
V
LNR
Line Regulation
Load Regulation
0.15
20
%/V
mV
V
ΔVout
40
1.23
1.3
1.3
Vdrop
Dropout Voltage
Iout=1A
1.4
V
Ilimit
Iq
Current Limit
1
A
Quiescent Current
Temperature coefficient
VIN =12V (LDO1 or LDO2)
1.5
3
mA
ppm
ΔV/ΔT
±100
Note: *When Buck Dutycycle >80%, Inoload will increase. e.g. VDD=3.6V/Vout=3.3V, Inoload=1mA.
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