參數(shù)資料
型號: TPS23841_07
廠商: Texas Instruments, Inc.
英文描述: HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER
中文描述: 大功率,寬電壓范圍,四端口以太網(wǎng)供電設備管理器
文件頁數(shù): 6/52頁
文件大?。?/td> 1011K
代理商: TPS23841_07
www.ti.com
TPS23841
SLUS745–NOVEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
V48 = 48 V, R
T
= 124 k
, C
T
= 220 pF, C
INT
= 0.027
μ
F (low leakage), –40
°
C to 125
°
C and T
A
= T
J
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital I
2
C DC Specifications
SCL, SDA_I, A1–A5 ,WD_DIS,
ALTA/B, MS, PORB logic input
threshold
SCL, SDA_I input hysteresis
MS, PORB input hysteresis
WD_DIS, ALTA/B, MS, PORB input
pulldown resistance
A1–A5 pull-down current
SDA_O logic high leakage
SDA_O logic low
INTB logic high leakage
INTB logic low
Digital I
2
C Timing
SCL clock frequency
1.5
V
250
150
mV
Input voltage 0.5 to 3 V
50
k
10
μ
A
nA
mV
μ
A
mV
Drain = 5 V
I
SINK
= 10 mA
Drain = 6 V
I
SINK
= 10 mA
100
200
10
200
0
400
kHz
SCL high
SCL low
0.6
1.3
Pulse duration
Rise time, SCL to SDA
Fall time, SCL to SDA
Setup time, SDA to SCL
Hold time, SCL to SDA
Bus free time between start and stop
Setup time, SCL to start condition
Hold time, start condition to SCL
Setup time, SCL to stop condition
0.300
0.300
0.250
0.300
1.3
0.6
0.6
0.6
μ
s
0.900
6
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