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参数资料
| 型号： | TPS3305-33Y |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, UUC8 |
| 封装： | DIE-8 |
| 文件页数： | 15/17页 |
| 文件大小： | 559K |
| 代理商： | TPS3305-33Y |
TPS330518, TPS330525, TPS330533
DUAL PROCESSOR SUPERVISORS
SLVS198A DECEMBER 1998 REVISED DECEMBER 2002
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 2.7 V to 6 V, IOH = 20 A
VDD– 0.2V
VOH
High-level output voltage
VDD = 3.3 V,
IOH = 2 mA
VDD– 0.4V
V
VOH
High-level output voltage
VDD = 6 V,
IOH = 3 mA
VDD– 0.4V
V
VDD = 2.7 V to 6 V, IOL = 20 A
0.2
VOL
Low-level output voltage
VDD = 3.3 V,
IOL = 2 mA
0.4
V
VOL
Low-level output voltage
VDD = 6 V,
IOL = 3 mA
0.4
V
Power-up reset voltage (see Note 2)
VDD ≥ 1.1 V,
IOL = 20 A
0.4
V
1.64
1.68
1.72
VSENSE1,
VDD = 2.7 V to 6 V,
2.20
2.25
2.30
V
VSENSE1,
VSENSE2
VDD = 2.7 V to 6 V,
TA = 0°C to 85°C
2.86
2.93
3
V
VIT
Negative-going input threshold voltage
VSENSE2
TA = 0 C to 85 C
4.46
4.55
4.64
VIT
Negative-going input threshold voltage
(see Note 3)
1.64
1.68
1.73
(see Note 3)
VSENSE1,
VDD = 2.7 V to 6 V,
2.20
2.25
2.32
V
VSENSE1,
VSENSE2
VDD = 2.7 V to 6 V,
TA =40°C to 85°C
2.86
2.93
3.02
V
VSENSE2
TA =40 C to 85 C
4.46
4.55
4.67
VIT = 1.68 V
15
Vhys
Hysteresis at VSENSEn input
VIT = 2.25 V
20
mV
Vhys
Hysteresis at VSENSEn input
VIT = 2.93 V
30
mV
VIT = 4.55 V
40
IH(AV) Average high-level input current
WDI
WDI = VDD = 6 V
Time average (dc = 88%)
100
150
A
IL(AV)
Average low-level input current
WDI
WDI = 0 V,
VDD = 6 V,
Time average (dc = 12%)
15
20
A
WDI
WDI = VDD = 6 V,
120
170
IH
High-level input current
MR
MR = 0.7
× VDD,VDD = 6 V
130
180
A
IH
High-level input current
SENSE1
VSENSE1 = VDD = 6 V
5
8
A
SENSE2
VSENSE2 = VDD = 6 V
6
9
WDI
WDI = 0 V,
VDD, = 6 V
120
170
IL
Low-level input current
MR
MR = 0V,
VDD = 6 V
430
600
A
IL
Low-level input current
SENSEn
VSENSE1,2 = 0 V
1
A
IDD
Supply current
40
A
Ci
Input capacitance
VI = 0 V to VDD
10
pF
NOTES:
2. The lowest supply voltage at which RESET becomes active. tr, VDD ≥ 15 s/V.
3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic 0.1
F) should be placed close to the supply terminals.
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