參數(shù)資料
型號： TPS2383PMR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 24/28頁
文件大?。?/td> 397K
代理商： TPS2383PMR
TPS2383
SLUS559B APRIL 2003 REVISED JULY 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS
VV48= 48 V, RT = 120 k, 0°C to 70°C, and TA = TJ (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOW-SIDE CURRENT-SENSE
Overload threshold voltage
165
187
207
mV
Peak current threshold voltage
175
213
250
mV
Overload timout
50
100
ms
Maximum swing, CINT
9
11
V
Reset voltage, CINT
10
100
mV
Maximum swing, CR
4.5
6.0
V
Input leakage, nRS
10
A
ANALOG-TO-DIGITAL CONVERTER
A/D resistive scaling(1)
RRD = 1 k
72
count/k
Port-to-port resistance variation
Referenced to port
#1
5%
0%
5%
A/D classificatin scaling(1)
RRS = 0.5
35
count/mA
A/D load current scaling(1)
RRS = 0.5
4.72
count/mA
A/D load voltage scaling(1)
33.6
count/V
A/D load current conversion
ILOAD = 50 mA,
RRS = 0.5
236
A/D load current conversion
ILOAD = 300 mA, RRS = 0.5
1416
count
A/D port voltage conversion
VPORT = 5 V
168
count
A/D port voltage conversion
VPORT = 45 V
1512
DIGITAL I/O
Logic input threshold voltage, SCL,
SDA_I, A1 through A5, EN, PORB
1.5
V
Input hysteresis, SCL, SDA_I
250
mV
Input hysteresis, EN, PORB
150
mV
Input pull-down resistance, EN, PORB
50
k
Pull-up current, A0, A1, A2, A3, A4, A5
10
25
A
Logic high leakage, SDA_O
Drain = 6 V
10
A
Logic low output voltage, SDA_O
ISINK = 3 mA
200
mV
Logic high leakage, INTB
Drain = 6 V
10
A
Logic low output voltage, INTB
ISINK = 3 mA
200
mV
DIGITAL I/O TIMING I2C CHARACTERISTICS
Clock frequency, SCL
0
400
kHz
Pulse duration
SCL high
1.3
s
Pulse duration
SCL low
0.6
s
Rise time, SCL, SDA(1)
300
Fall time, SCL, SDA(1)
300
ns
Setup time SDA to SCL
250
ns
Hold time SCL to SDA
0
Bus free time between startup and stop
1.3
Setup time SCL to start condition
0.6
s
Hold time start condition to SCL
0.6
s
Setup time, SCL to stop condition
0.6
NOTE: (1) Ensured by design. Not production tested.
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