參數(shù)資料
型號： TPS24710DGS
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PDSO10
封裝： GREEN, PLASTIC, MSOP-10
文件頁數(shù)： 23/34頁
文件大?。?/td> 2148K
代理商： TPS24710DGS
SLVSAL2C
– JANUARY 2011 – REVISED MAY 2011
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
SENSE, VCC
2.5
18
Input voltage range
V
EN, FLT, FLTb, PG, PGb, OUT
0
18
Sink current
FLT, FLTb, PG, PGb
0
2
mA
Resistance
PROG
4.99
500
k
Ω
TIMER
1
nF
External capacitance
GATE(1)
1
F
Operating junction temperature range, TJ
–40
125
°C
(1)
External capacitance tied to GATE should be in series with a resistor no less than 1 k
.
ELECTRICAL CHARACTERISTICS
–40°C ≤ TJ ≤ 125°C, VCC = 12 V, VEN = 3 V, and RPROG = 50 kΩ to GND.
All voltages referenced to GND, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
NOM
MAX
UNIT
VCC
UVLO threshold, rising
2.2
2.32
2.45
V
UVLO threshold, falling
2.1
2.22
2.35
V
UVLO hysteresis(1)
0.1
V
Enabled
― IOUT + IVCC + ISENSE
1
1.4
mA
Supply current
Disabled
― EN = 0 V, IOUT + IVCC + ISENSE
0.45
mA
EN
Threshold voltage, falling
1.2
1.3
1.4
V
Hysteresis(1)
50
mV
Input leakage current
0 V
≤ VEN ≤ 30 V
–1
0
1
A
Turnoff time
EN
↓ to VGATE < 1 V, CGATE = 33 nF
20
60
150
s
Deglitch time
EN
↑
8
14
18
s
Disable delay
EN
↓ to GATE ↓, CGATE = 0, tpff50–90, See Figure 1
0.1
0.4
1
s
FLT, FLTb
Output low voltage
Sinking 2 mA
0.11
0.25
V
VFLT = 0 V, 30 V
Input leakage current
–1
0
1
A
VFLTb = 0 V, 30 V
PG, PGb
V(SENSE – OUT) rising, PG going low
Threshold
140
240
340
mV
V(SENSE – OUT) rising, PGb going high
Measured V(SENSE – OUT) falling, PG going high
Hysteresis(1)
70
mV
Measured V(SENSE – OUT) falling, PGb going low
Output low voltage
Sinking 2 mA
0.11
0.25
V
VPG = 0 V, 30 V
Input leakage current
–1
0
1
A
VPGb = 0 V, 30 V
Delay (deglitch) time
Rising or falling edge
2
3.4
6
ms
PROG
Bias voltage
Sourcing 10
A
0.65
0.678
0.7
V
Input leakage current
VPROG = 1.5 V
–0.2
0
0.2
A
TIMER
Sourcing current
VTIMER = 0 V
8
10
12
A
(1)
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.
Copyright
2011, Texas Instruments Incorporated
3
Product Folder Link(s): TPS24710 TPS24711 TPS24712 TPS24713
相關PDF資料
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