参数资料
型号: TPS2001CDGNR
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封装: PLASTIC, MSOP-8
文件页数: 23/28页
文件大小: 1476K
代理商: TPS2001CDGNR
SLVSAU6B
– JUNE 2011 – REVISED SEPTEMBER 2011
ELECTRICAL CHARACTERISTICS:
–40°C ≤ T
J ≤ 125°C
Unless otherwise noted:4.5 V
≤ VIN ≤ 5.5 V, VEN = VIN or VEN = GND, IOUT = 0 A, typical values are at 5 V and 25°C. See the
DEVICE INFORMATION table for the rated current of each part number.
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
POWER SWITCH
0.5 A rated output
DBV
97
154
m
DBV
96
154
1 A rated output
m
RDS(ON) Input – output resistance
DGN
86
140
1.5 A rated output
DGN
69
112
m
2 A rated output
DGN, DGK
72
112
m
ENABLE INPUT (EN or EN)
Threshold
Input rising
1
1.45
2
V
Hysteresis
0.07
0.13
0.20
V
Leakage current
(VEN or VEN) = 0 V or 5.5 V
–1
0
1
A
VIN = 5 V, CL = 1 F, RL = 100 Ω, EN ↑ or EN ↓.
tON
Turnon time
ms
0.5A / 1A Rated
1
1.4
1.8
1.5A / 2A Rated
1.2
1.7
2.2
VIN = 5 V, CL = 1 F, RL = 100 Ω, EN ↓ or EN ↑.
tOFF
Turnoff time
ms
0.5A and 1A Rated
1.3
1.65
2
1.5A / 2A Rated
1.7
2.1
2.5
CL = 1 F, RL = 100 Ω, VIN = 5 V. See Figure 3
tR
Rise time, output
0.5A / 1A Rated
0.4
0.55
0.7
ms
1.5A / 2A Rated
0.5
0.7
1.0
CL = 1 F, RL = 100 Ω, VIN = 5 V. See Figure 3
tF
Fall time, output
0.5A / 1A Rated
0.25
0.35
0.45
ms
1.5A / 2A Rated
0.3
0.43
0.55
CURRENT LIMIT
0.5 A rated
0.65
0.85
1.05
output
1 A rated output
1.2
1.55
1.9
Current-limit,
IOS
(2)
A
1.5 A rated
1.6
2.15
2.7
output
2 A rated output
2.3
2.9
3.6
VIN = 5 V (see Figure 7),
One-half full load
→ RSHORT = 50 m,
tIOS
Short-circuit response time(3)
2
s
Measure from application to when current falls below
120% of final value
SUPPLY CURRENT
ISD
Supply current, switch disabled
0.01
10
A
ISE
Supply current, switch enabled
65
90
A
IREV
Reverse leakage current
VOUT = 5.5 V, VIN = 0 V, Measure IVOUT
0.2
20
A
UNDERVOLTAGE LOCKOUT
VUVLO
Rising threshold
VIN
3.5
3.75
4
V
Hysteresis(3)
VIN
0.14
V
(1)
Pulsed testing techniques maintain junction temperature approximately equal to ambient temperature
(2)
See CURRENT LIMIT section for explanation of this parameter.
(3)
These parameters are provided for reference only, and do not constitute part of TI
's published device specifications for purposes of TI's
product warranty.
4
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS20xxC
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