參數資料
型號: TPS3806J20DBVRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: GREEN, PLASTIC, SOT-23, 6 PIN
文件頁數: 7/13頁
文件大?。?/td> 513K
代理商: TPS3806J20DBVRG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
TIMING REQUIREMENTS
TPS3806J20
TPS3806I33
SLVS393A – JULY 2001 – REVISED NOVEMBER 2004
MIN
MAX
UNIT
Supply voltage, VDD
1.3
6
V
Input voltage, VI
0
VDD + 0.3
V
Operating free-air temperature range, TA
-40
+85
°C
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 1.5 V, IOL = 1 mA
VOL
Low-level output voltage
VDD = 3.3 V, IOL = 2 mA
0.3
V
VDD = 6 V, IOL = 3 mA
Power-up reset voltage(1)
VDD ≥ 0.8 V, IOL = 50 A
0.2
V
LSENSE
1.198
1.207
1.216
TPS3806J20
TA = +25°C
1.787
1.8
1.813
V
TPS3806I33
2.978
3.0
3.022
LSENSE
1.188
1.207
1.226
Negative-going
VIT
TPS3806J20
TA = 0°C to +70°C
1.772
1.8
1.828
V
input threshold voltage(2)
TPS3806I33
2.952
3.0
3.048
LSENSE
1.183
1.207
1.231
TPS3806J20
TA = -40°C to +85°C
1.764
1.8
1.836
V
TPS3806I33
2.94
3.0
3.06
1.2 V < VIT < 2.5 V
60
Vhys
Hysteresis
mV
2.5 V < VIT < 3.5 V
90
II
Input current
LSENSE, HSENSE
-25
25
nA
IOH
High-level output current
VDD = VIT + 0.2 V, VOH = VDD
300
nA
VDD = 3.3 V, Output unconnected
3
5
IDD
Supply current
A
VDD = 6 V, Output unconnected
4
6
Ci
Input capacitance
VI = 0 V to VDD
1
pF
(1)
The lowest supply voltage at which RESET becomes active. tr,VDD ≥ 15 s/V
(2)
To ensure best stability of the threshold voltage, place a bypass capacitor (ceramic, 0.1 F) near the supply terminals.
at R
L = 1 M, CL = 50 pF, TA = -40°C to +85°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD to RESET delay
Propagation (delay) time,
tPHL
5
100
s
high-to-low-level output
LSENSE to RSTSENSE delay
VIH = 1.05 x VIT,
VIL = 0.95 x VIT
VDD to RESET delay
Propagation (delay) time,
tPLH
5
100
s
low-to-high-level output
HSENSE to RSTSENSE delay
at R
L = 1 M, CL = 50 pF, TA = -40°C to +85°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
At VDD
tw
Pulse width
VIH = 1.05 x VIT, VIL = 0.95 x VIT
5.5
s
At SENSE
3
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