参数资料
型号: TPS2399DGKRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 22/27页
文件大小: 792K
代理商: TPS2399DGKRG4
TPS2398
TPS2399
SLUS562A JUNE 2003 REVISED SEPTEMBER 2003
4
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
VI(VIN) = 48 V with respect to RTN, VI(EN) = 2.8 V, VI(ISENS) = 0, all outputs unloaded, TA = 40_C to 85_C
(unless otherwise noted)(1)(2)
PG output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IOH
High-level output (leakage) current
VI(EN) = 0 V,
VO(PG) = 65 V
10
A
RDS(ON)
Driver ON resistance
VI(ISENS) = 80 mV, VO(FLTTIME) = 5V,
IO(PG) = 1 mA
35
80
NOTES 1: All voltages are with respect to the VIN terminal unless otherwise stated.
2: Currents are positive into and negative out of the specified terminal.
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
EN
2
I
Enable input to turn on/off power to the load.
PG
1
O
Open-drain, active-low indication of a load power good condition.
FLTTIME
3
I/O
Connection for user-programming of the fault timeout period.
GATE
7
O
Gate drive for external N-channel FET.
IRAMP
4
I/O
Programming input for setting the inrush current slew rate.
ISENS
6
I
Current sense input.
RTN
8
I
Positive supply input for the TPS2398 and TPS2399.
VIN
5
I
Negative supply input and reference pin for the TPS2398 and TPS2399.
DGK PACKAGE
(TOP VIEW)
18
2
3
4
7
6
5
EN
FLTTIME
IRAMP
RTN
GATE
ISENS
VIN
PG
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