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参数资料
| 型号： | TPS2561DRC |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | GREEN, SON-10 |
| 文件页数： | 18/24页 |
| 文件大小： | 942K |
| 代理商： | TPS2561DRC |
www.ti.com
SLVS930 – DECEMBER 2009
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
VIN
Input voltage, IN
2.5
6.5
V
VENx
TPS2560
0
6.5
Enable voltage
V
V/ENx
TPS2561
0
6.5
VIH
High-level input voltage on ENx or ENx
1.1
V
VIL
Low-level input voltage on ENx or ENx
0.66
IOUTx
Continuous output current per channel, OUTx
0
2.5
A
Continuous FAULTx sink current
0
10
mA
TJ
Operating virtual junction temperature
–40
125
°C
RILIM
Recommended resistor limit range
20
187
k
ELECTRICAL CHARACTERISTICS
over recommended operating conditions, V/ENx = 0 V, or VENx = VIN (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
POWER SWITCH
TJ = 25 °C
44
50
Static drain-source on-state
rDS(on)
m
resistance per channel, IN to OUTx
–40 °C
≤TJ ≤125 °C
70
VIN = 6.5 V
2
3
4
tr
Rise time, output
VIN = 2.5 V
1
2
3
CLx = 1 μF, RLx = 100 ,
ms
(see Figure 2)
VIN = 6.5 V
0.6
0.8
1.0
tf
Fall time, output
VIN = 2.5 V
0.4
0.6
0.8
ENABLE INPUT EN OR EN
Enable pin turn on/off threshold
0.66
1.1
V
Hysteresis
55(2)
mV
IEN
Input current
VENx = 0 V or 6.5 V, V/ENx = 0 V or 6.5 V
–0.5
0.5
μA
ton
Turnon time
9
ms
toff
Turnoff time
6
ms
CURRENT LIMIT
RILIM = 20 k
2590
2800
3005
Current-limit threshold per channel (Maximum DC output current
IOS
IOUTx delivered to load) & Short-circuit current, OUTx connected to
RILIM = 61.9 k
800
900
1005
mA
GND
RILIM = 100 k
470
560
645
tIOS
Response time to short circuit
3.5(2)
μs
(1)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
(2)
These parameters are provided for reference only, and do not constitute part of TI's published specifications for purposes of TI's product
warranty.
Copyright 2009, Texas Instruments Incorporated
3
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