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LNBP21 数据表(PDF) 10 Page - STMicroelectronics

部件名 LNBP21
功能描述  LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LNBP21 数据表(HTML) 10 Page - STMicroelectronics

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LNBP21
10/20
GATE AND SENSE ELECTRICAL CHARACTERISTICS (TJ = 0 to 85°C, VIN=12V)
I2C ELECTRICAL CHARACTERISTICS (TJ =0 to 85°C, VIN=12V)
ADDRESS PIN CHARACTERISTICS (TJ = 0 to 85°C, VIN=12V)
TEST CIRCUIT
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
RDSON-L Gate LOW RDSON
IGATE=-100mA
4.5
Ω
RDSON-H Gate LOW RDSON
IGATE=100mA
4.5
Ω
VSENSE Current Limit Sense Voltage
200
mV
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIL
LOW Level Input Voltage
SDA, SCL
0.8
V
VIH
HIGH Level Input Voltage
SDA, SCL
2
V
IIH
Input Current
SDA, SCL, VIN= 0.4 to 4.5v
-10
10
µA
VIL
DSQIN Input Pin Logic
LOW
SDA (open drain), IOL = 6mA
0.6
V
fMAX
Maximum Clock Frequency SCL
500
KHz
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VADDR-1 "0001000" Addr Pin Voltage
0
0.7
V
VADDR-2 "0001001" Addr Pin Voltage
1.3
1.7
V
VADDR-3 "0001010" Addr Pin Voltage
2.3
2.7
V
VADDR-4 "0001011" Addr Pin Voltage
3.3
5
V
Gate
Vup
LT1
OUT
Vcc
EXTM
DSQOUT
10nF
LT2
DETIN
10nF
Scope Probe
VMI, VOBK
LNBP21
470nF
BYP
IO ,IOBK
A
Vin
A
IIN
A
ILT
V
VOUT
Load
20µF
V
A
IOZ /IOL
OL
VOH /IOL
SDA
SCL
SCL
SDA
{
From I2C
Master
DSQIN
Pulse Gen.
VEXTM, VDETIN
Sense
STN4NF03L
Rsc
0.1
Ω
Ω
Ω
Ω
220µF
470nF
STPS2L30A
220µF
470nF
L1=22µH
ADDRESS
V
1N4001
V V
LT
10nF



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