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參數(shù)資料
| 型號(hào)： | TPS3838K33QDBVREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大小： | 206K |
| 代理商： | TPS3838K33QDBVREP |
www.ti.com
Timing Requirements
Switching Characteristics
SGLS322C – MAY 2006 – REVISED AUGUST 2006
Electrical Characteristics (continued)
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
220
500
VDD > VIT, VDD < 3 V
TA = Full range
600
nA
TA = 25°C
250
550
IDD
Supply current
VDD > VIT, VDD > 3 V
TA = Full range
650
TA = 25°C
10
25
VDD < VIT
A
TA = Full range
30
Internal pullup resistor at MR
33
k
CI
Input capacitance at MR, CT
VI = 0 V to VDD
5
pF
R
L = 1 M, CL = 50 pF, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
At VDD
VIH = VIT + 0.2 V, VIL = VIT – 0.2 V
6
s
tw
Pulse width
At MR
VDD ≥ VIT + 0.2 V, VIL = 0.3 × VDD, VIH = 0.7 × VDD
1
s
R
L = 1 M, CL = 50 pF, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CT = GND
5
10
15
VDD ≥ VIT + 0.2 V, MR = 0.7 × VDD,
td
Delay time
ms
See timing diagram
CT = VDD
200
Propagation (delay)
VDD to RESET delay VIL = VIT – 0.2 V, VIH = VIT + 0.2 V
10
tPHL
time, high- to low-level
(TPS3836,
s
VIL = 1.6 V
50
output
TPS3838)
Propagation (delay)
VIL = VIT – 0.2 V, VIH = VIT + 0.2 V
10
VDD to RESET delay
tPLH
time, low- to high-level
s
(TPS3837)
VIL = 1.6 V
50
output
Propagation (delay)
MR to RESET delay
tPHL
time, high- to low-level
(TPS3836,
VDD ≥ VIT + 0.2 V, VIL = 0.3 × VDD, VIH = 0.7 × VDD
0.3
s
output
TPS3838)
Propagation (delay)
MR to RESET delay
tPLH
time, low- to high-level
VDD ≥ VIT + 0.2 V, VIL = 0.3 × VDD, VIH = 0.7 × VDD
0.3
s
(TPS3837)
output
7
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