參數(shù)資料
型號(hào)： TPS2383PMR
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 397K
代理商： TPS2383PMR
TPS2383
SLUS559B APRIL 2003 REVISED JULY 2004
4
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
POWER SUPPLIES
Quiescent current, V48
Off mode (all ports)
3
5
Quiescent current, V48
Powered mode (all ports)
5
10
mA
Quiescent current, V5
Powered mode (all ports),
VV5 = 5 V
3
15
mA
Quiescent current, VL
Powered mode (all ports),
VVL = 3.3 V
0.28
4
Internal analog supply, V10
9.75
10.50
11.50
Internal reference(1)
2.475
2.500
2.525
V
Input UVLO
28
37
40
V
Internal POR timeout (I2C)
After all supplies are good (8 CLK periods)
8
CLKs
Internal POR timeout (state machine)
After all supplies are good (65536 CLK periods)
65536
CLKs
LED OUTPUTS
High-level output voltage, L1 through L8
ISRC = 5 mA
4
V
Low-level output voltage, L1 through L8
ISINK = 5 mA
0.75
V
Tristate leakage(1)
0.1
A
ANALOG CIRCUITS PORT VOLTAGE CONTROL LOOP
Input resistance, nP to nN
240
400
640
k
Classification voltage
A/B select = B
15.0
17.5
Discovery voltage, high
7.5
8.8
9.5
V
Discovery voltage, low
3.5
4.4
5.5
V
Loop power supply feedthru loop control
range C(1)
1.5
mV
Discovery short-circuit current
3
mA
Port output, undervoltage
40
42
44
V
Port output, overvoltage
51
53
55
V
ClassLimit1 = 0,
ClassLimit2 = 0
160
Classification current limit
ClassLimit1 = 1,
ClassLimit2 = 0
80
mA
Classification current limit
ClassLimit1 = 0,
ClassLimit2 = 1
40
mA
ClassLimit1 = 1,
ClassLimit2 = 1
20
N-CHANNEL MOSFET GATE CONTROL
Gate turn-off MOSFET RDS(on)
200
Maximum gate voltage
8
10
12
V
Gate turn-off delay time from overcurrent
fault
7.5
s
Gate turn-off timer from UV/OV fault
After port enabled and ramped up,
(1024 CLK periods)
1024
CLKs
UV/OV spike timer, power quality warning(1)
(256 CLK periods)
256
CLKs
Gate turn-off timer from overload fault
(32768 CLK periods)
32768
NOTE: (1) Ensured by design. Not production tested.
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