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参数资料
| 型号： | TPS2066ADRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 19/25页 |
| 文件大小： | 1100K |
| 代理商： | TPS2066ADRG4 |
RECOMMENDED OPERATING CONDITIONS
(1)
ELECTRICAL CHARACTERISTICS
www.ti.com ........................................................................................................................................... SLVS798F – JANUARY 2008 – REVISED NOVEMBER 2008
MIN
MAX
UNIT
Input voltage, IN
2.7
5.5
V
VI
Input voltage, ENx, ENx
0
5.5
V
IO
Continuous output current, OUTx
0
1
A
TJ
Operating virtual junction temperature
–40
125
°C
(1)
The PowePad must be connected externally to GND pin to meet qualifying conditions for CB Certificate (DRB package only)
over recommended operating junction temperature range, VI = 5.5 V, IO = 1 A, V/ENx = 0 V (TPS2062A) or VENx = 5.5 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
POWER SWITCH
TJ = 25°C
70
100
rDS(on)
Static drain-source on-state resistance 2.7 V
≤ VI ≤ 5.5 V, IO = 1 A
m
–40°C
≤ TJ ≤ 125°C
135
VI = 5.5 V
0.6
1.5
tr
Rise time, output
VI = 2.7 V
0.4
1
CL = 1 F,
ms
RL = 5 , TJ = 25°C
VI = 5.5 V
0.05
0.5
tf
Fall time, output
VI = 2.7 V
0.05
0.5
ENABLE INPUT EN OR EN
VIH
High-level input voltage
2
2.7 V
≤ VI ≤ 5.5 V
V
VIL
Low-level input voltage
0.8
II
Input current
-0.5
0.5
A
ton
Turnon time
3
CL = 100 F, RL = 5
ms
toff
Turnoff time
3
CURRENT LIMIT
TJ = 25°C
1.2
1.6
2.0
Short-circuit output current per
VI = 5 V, OUTx connected to GND,
IOS
A
channel
device enabled into short-circuit
–40°C
≤ TJ ≤ 125°C
1.1
1.6
2.1
IOC
Overcurrent trip threshold
VIN = 5 V
IOS
2.1
2.45
A
TJ = 25°C
2.4
3.2
4.0
VI = 5 V, OUT1 & OUT2 connected to
IOS_G
Ganged short-circuit output current
GND, device enabled into short-circuit
–40°C
≤ TJ ≤ 125°C
2.2
3.2
4.2
A
IOC_G
Ganged overcurrent trip threshold
VI = 5 V, OUT1 & OUT2 tied together
IOS_G
4.2
4.9
SUPPLY CURRENT
TJ = 25°C
0.5
1
IIL
Supply current, device disabled
No load on OUT
A
–40°C
≤ TJ ≤ 125°C
0.5
5
TJ = 25°C
50
60
IIH
Supply current, device enabled
No load on OUT
A
–40°C
≤ TJ ≤ 125°C
50
75
Ilkg
Leakage current, device disabled
OUT connected to ground
–40°C
≤ TJ ≤ 125°C
1
A
Reverse leakage current
VO = 5.5 V, VI = 0 V
TJ = 25°C
0.2
A
UNDERVOLTAGE LOCKOUT
Low-level input voltage, IN
VI rising
2
2.5
V
Hysteresis, IN
VI falling
75
mV
OVERCURRENT FLAG
VOL
Output low voltage, OC
I/OCx = 5 mA
0.4
V
Off-state current
V/OCx = 5.0 V or 3.3 V
1
A
OC deglitch
OCx assertion or de-assertion
4
8
15
ms
THERMAL SHUTDOWN(2)
Thermal shutdown threshold
135
°C
Recovery from thermal shutdown
125
°C
Hysteresis
10
°C
(1)
Pulsed load testing used to maintain junction temperature close to ambient
(2)
The thermal shutdown only reacts under overcurrent conditions.
Copyright 2008, Texas Instruments Incorporated
3
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