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參數(shù)資料
| 型號： | TPS3618-50DGKTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 455K |
| 代理商： | TPS3618-50DGKTG4 |
www.ti.com
VIT
VBAT
VDD
VOUT
RESET
td
t
td
SLVS339D – DECEMBER 2000 – REVISED DECEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
1.65 V
≤ V
DD≤ 5.5 V, RLRESET = 1 M, CLRESET = 50 pF, over operating temperature range (TJ = –40°C to +85°C), unless
otherwise noted. Typical values are at T
J = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Ci
Input capacitance, any input
VI = 0 V to 5 V
5
pF
VDD
VIH = VIT + 0.2 V, VIL = VIT– 0.2 V
6
s
tw
Pulse Width
VDD > VIT + 0.2 V, VIL = 0.3 x VDD,
WDI
100
ns
VIH = 0.7 x VDD
td
VDD ≥ VIT + 0.2 V,
Delay time
60
100
140
ms
See timing diagram
t(tout)
VDD > VIT + 0.2 V,
Watchdog time-out
0.48
0.8
1.12
s
See timing diagram
VIL = VIT– 0.2 V,
VDD to RESET
2
5
VIH = VIT + 0.2 V
Propagation (delay) time,
tPHL
s
high-to-low-level output
VIL = VPFI– 0.2 V,
PFI to PFO
3
5
VIH = VPFI + 0.2 V
Transition time
VDD to VBAT
3
s
TIMING DIAGRAM
Table 1. FUNCTION TABLE
VDD > VIT
VDD > VBAT
VOUT
RESET
0
VBAT
0
1
VDD
0
1
0
VDD
1
VDD
1
4
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