参数资料
型号: TPS2491DGS
厂商: Texas Instruments
文件页数: 4/25页
文件大小: 925K
描述: IC POS HV HOT-SWAP CTRLR 10MSOP
标准包装: 80
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 9 V ~ 80 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
产品目录页面: 1011 (CN2011-ZH PDF)
配用: 296-18947-ND - EVAL MODULE FOR TPS2491-002
其它名称: 296-16906
TPS2490
TPS2491
SLVS503D NOVEMBER 2003REVISED JULY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
unless otherwise noted, minimum and maximum limits apply across the recommended operating junction temperature and
voltage range, V
TIMER
= 0 V, and all outputs unloaded; typical specifications are at T
J
= 25癈, V
VCC
= 48 V, V
TIMER
= 0 V, and
all outputs unloaded; positive currents are into pins.
PARAMETER
TEST CONDITIONS
MIN
TYP    MAX   UNIT
POWER GOOD OUTPUT (PG)
I
PG
= 2 mA
0.1
0.25
V
V
PG_L
Low voltage (sinking)
I
PG
= 4 mA
0.25
0.5
V
PG threshold voltage, V
OUT
rising, PG goes
V
PGTL
V
SENSE
= V
VCC
, measure V
(VCC-OUT)
0.8
1.25
1.7
V
open drain
PG threshold voltage, V
OUT
falling, PG goes
VPGTH
V
SENSE
= V
VCC
, measure V
(VCC-OUT)
2.2
2.7
3.2
V
low
PGT
PG threshold hysteresis voltage, V
(SENSE-OUT)
V
SENSE
= V
VCC
1.4
V
PG deglitch delay, detection to output, rising
t
DPG
V
SENSE
= V
VCC
5
9
15
ms
and falling edges
Leakage current, PG false, open drain
10
OUTPUT VOLTAGE FEEDBACK INPUT (OUT)
V
OUT
= V
VCC
, V
EN
= Hi, sinking
8
20
I
OUT
Bias current
V
OUT
= GND, V
EN
= Lo, sourcing
18
40
ENABLE INPUT (EN)
V
EN_H
Threshold, V
EN
going high
1.32
1.35
1.38
V
V
EN_L
Threshold, V
EN
going low
1.22
1.25
1.28
V
V
EN
hysteresis
100
mV
Leakage current
V
EN
= 48 V
1
INPUT SUPPLY UVLO (VCC)
V
VCC
turn on
Rising
8.4
8.8
V
V
VCC
turn off
Falling
7.5
8.3
V
Hysteresis
75
mV
4
Copyright ?20032012, Texas Instruments Incorporated
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