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参数资料
型号： TPS386060RGPT
厂商： TEXAS INSTRUMENTS INC
元件分类： 电源管理
英文描述： 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
封装： 4 X 4 MM, PLASTIC, QFN-20
文件页数： 23/31页
文件大小： 681K
代理商： TPS386060RGPT
TPS386000, TPS386020
TPS386040, TPS386060
www.ti.com
SBVS105B
– SEPTEMBER 2009 – REVISED MARCH 2011
ELECTRICAL CHARACTERISTICS
Over the operating temperature range of TJ = –40°C to +125°C, 1.8V < VVCC < 6.5V, RRESETn (n = 1, 2, 3, 4) = 100k to VVCC
(TPS386000, TPS386020 only), CRESETn (n = 1, 2, 3, 4L, 4H) = 50pF to GND, RWDO = 100k to VVCC, CWDO = 50pF to GND,
VMR = 100k to VVCC, WDI = GND, and CTn (n = 1, 2, 3, 4) = open, unless otherwise noted. Typical values are at TJ = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VVCC
Input supply range
1.8
6.5
V
VVCC = 3.3V, RESETn or RESETn not
asserted, WDI toggling(1), no output load,
11
19
μA
and VREF open
IVCC
Supply current (current into VCC pin)
VVCC = 6.5V, RESETn or RESETn not
asserted, WDI toggling(1), no output load,
13
22
μA
and VREF open
Power-up reset
TPS386000,
VOL (max) = 0.2V, IRESETn = 15μA
0.9
V
voltage(2)(3)
TPS386040
VITN
Negative-going input threshold voltage SENSE1, SENSE2, SENSE3, SENSE4L
396
400
404
mV
VITP
Positive-going input threshold voltage
SENSE4H
396
400
404
mV
VHYSN
Hysteresis (positive-going) on VITN
SENSE1, SENSE2, SENSE3, SENSE4L
3.5
10
mV
VHYSP
Hysteresis (negative-going) on VITP
SENSE4H
3.5
10
mV
ISENSE
Input current at SENSEm pin
VSENSEm = 0.42V
–25
±1
+25
nA
CT1
CCT1 > 220pF, VCT1 = 0.5V
(4)
245
300
355
nA
CTn pin charging
ICT
current
CT2, CT3, CT4
CCTn > 220pF, VCTn = 0.5V
(4)
235
300
365
nA
VTH(CTn)
CTn pin threshold
CCTn > 220pF
1.180
1.238
1.299
V
VIL
MR and WDI logic low input
0
0.3VVCC
V
VIH
MR and WDI logic high input
0.7VVCC
V
All
IOL = 1mA
0.4
V
Low-level RESETn
or RESETn output
TPS386000,
SENSEn = 0V, 1.3V
< VVCC < 1.8V,
0.3
V
voltage
TPS386040
IOL = 0.4mA
(2)
VOL
All
IOL = 1mA
0.4
V
Low-level WDO
TPS386020,
SENSEn = 0V, 1.3V
< VVCC < 1.8V,
output voltage
0.3
V
TPS386060
IOL = 0.4mA
(2)
TPS386040,
IOL = –1mA
VVCC – 0.4
V
High-level RESETn
TPS386060
or RESETn output
SENSEn = 0V, 1.3V
< VVCC < 1.8V,
voltage
TPS386060
VVCC – 0.3
V
IOL = –0.4mA
(2)
VOH
TPS386040,
IOL = –1mA
VVCC – 0.4
V
TPS386060
High-level WDO
output voltage
SENSEn = 0V, 1.3V
< VVCC < 1.8V,
TPS386040
VVCC – 0.3
V
IOL = –0.4mA
(2)
RESETn, RESETn,
TPS386000,
VRESETn = 6.5V, RESETn, RESETn, WDO,
ILKG
WDO, and WDO
–300
300
nA
TPS386020
and WDO are logic high
leakage current
VREF
Reference voltage output
1
μA < IVREF < 0.2mA (source only, no sink)
1.18
1.20
1.22
V
CIN
Input pin capacitance
CTn: 0V to VVCC, other pins: 0V to 6.5V
5
pF
SENSEm: 1.05VITN → 0.95VITN or
4
μs
Input pulse width to SENSEm and MR 0.95V
ITP → 1.05VITP
tW
pins
MR: 0.7VCC → 0.3VVCC
1
ns
CTn = open
14
20
24
ms
tD
RESETn or RESETn delay time
CTn = VVCC
225
300
375
ms
Start from RESET1 or RESET1 release or
tWDT
Watchdog timer timeout period
450
600
750
ms
last WDI transition
(1)
Toggling WDI for a period less than tWDT negatively affects IVCC.
(2)
These specifications are beyond the recommended VVCC range, and only define RESETn or RESETn output performance during VCC
ramp up.
(3)
The lowest supply voltage (VVCC) at which RESETn or RESETn becomes active; tRISE(VCC) ≥ 15μs/V.
(4)
CTn (where n = 1, 2, 3, or 4) are constant current charging sources working from a range of 0V to VTH(CTn), and the device is tested at
VCTn = 0.5V. For ICT performance between 0V and VTH(CTn), see Figure 25.
Copyright
2009–2011, Texas Instruments Incorporated
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Product Folder Link(s): TPS386000 TPS386020 TPS386040 TPS386060
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