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参数资料
| 型号： | TPS3818G09DRVR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | 2 X 2 MM, PLASTIC, SON-6 |
| 文件页数： | 11/17页 |
| 文件大小： | 579K |
| 代理商： | TPS3818G09DRVR |
ELECTRICAL CHARACTERISTICS
www.ti.com ......................................................................................................................................................... SBVS106A – MAY 2008 – REVISED AUGUST 2008
1.7V
≤ VDD ≤ 6.5V, RLRESET = 100k, CLRESET = 50pF, over operating temperature range (TJ = –40°C to +125°C), unless
otherwise noted. Typical values are at TJ = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
–40°C < TJ < +125°C
1.7
6.5
VDD
Input supply range
V
0°C < TJ < +85°C
1.65
6.5
VDD = 3.3V, RESET not asserted
2.4
5.0
A
MR, RESET, CT open
IDD
Supply current (current into VDD pin)
VDD = 6.5V, RESET not asserted
2.7
6.0
A
MR, RESET, CT open
1.3V
≤ VDD < 1.8V, IOL = 0.4mA
0.3
V
VOL
Low-level output voltage
1.8V
≤ VDD ≤ 6.5V, IOL = 1.0mA
0.4
V
Power-up reset voltage(1)
VOL (max) = 0.2V, IRESET = 15A
0.8
V
TPS3818G01
–2.0
±1.0
+2.0
VIT ≤ 3.3V
–1.5
±0.5
+1.5
Negative-going
VIT
input threshold
3.3V < VIT ≤ 5.0V
–2.0
±1.0
+2.0
%
accuracy
VIT ≤ 3.3V
–40°C < TJ < +85°C
–1.25
±0.5
+1.25
3.3V < VIT ≤ 5.0V
–40°C < TJ < +85°C
–1.5
±0.5
+1.5
TPS3818G01
1.5
3.0
VHYS
Hysteresis on VIT pin
–40°C < TJ < +85°C
1.0
2.0
%VIT
Fixed versions
1.0
2.5
RMR
MR Internal pull-up resistance
70
90
k
TPS3818G01
VSENSE = VIT
–25
25
nA
Input current at
ISENSE
SENSE pin
Fixed versions
VSENSE = 6.5V
1.7
A
IOH
RESET leakage current
VRESET = 6.5V, RESET not asserted
300
nA
CT pin
VIN = 0V to VDD
5
Input capacitance,
CIN
pF
any pin
Other pins
VIN = 0V to 6.5V
5
VIL
MR logic low input
0
0.3 VDD
V
VIH
MR logic high input
0.7 VDD
VDD
SENSE
VIH = 1.05VIT, VIL = 0.95VIT
20
Input pulse width
tw
s
to RESET
MR
VIH = 0.7VDD, VIL = 0.3VDD
0.001
CT = Open
12
20
28
ms
td
RESET delay time(2)
See Timing Diagram
CT = VDD
180
300
420
ms
CT pin (RESET delay time) comparator
VCT
1.211
1.23
1.249
V
threshold(3)
CT pin (RESET delay time) charging
RCT= 2M (resistor between CT and
ICT
190
220
250
nA
current(3)
GND)
Propagation delay
MR to RESET
VIH = 0.7VDD, VIL = 0.3VDD
150
ns
tpHL
High to low level
SENSE to RESET
VIH = 1.05VIT, VIL = 0.95VIT
20
s
RESET delay
θ
JA
Thermal resistance, junction-to-ambient
290
°C/W
(1)
The lowest supply voltage (VDD) at which RESET becomes active. Trise(VDD) ≥ 15s/V.
(2)
The delay time accuracy without external capacitor is the same as that of the TPS3808xxx. This specification is included here for
TPS3808xxx device comparison.
(3)
The combined RESET delay time accuracy from VCT and ICT is ±15%.
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS3818
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