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参数资料
| 型号： | TPS3808G01QDBVRQ1 |
| 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： | GREEN, PLASTIC, SOT-23, 6 PIN |
| 文件页数： | 14/20页 |
| 文件大小： | 659K |
| 代理商： | TPS3808G01QDBVRQ1 |
www.ti.com
SBVS085G – JANUARY 2007 – REVISED DECEMBER 2010
ELECTRICAL CHARACTERISTICS
1.8 V
≤ VDD ≤ 6.5 V, RLRESET = 100 k, CLRESET = 50 pF, over operating temperature range (TJ = –40°C to 125°C) (unless
otherwise noted), typical values at TJ = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD
Input supply range
1.8
6.5
V
VDD = 3.3 V, RESET not asserted, MR, RESET, CT open
2.4
5
IDD
Supply current (into VDD pin)
mA
VDD = 6.5 V, RESET not asserted, MR, RESET, CT open
2.7
6
1.3 V
≤ VDD < 1.8 V, IOL = 0.4 mA
0.3
VOL
Low-level output voltage
V
1.8 V
≤ VDD ≤ 6.5 V, IOL = 1 mA
0.4
Power-up reset voltage(1)
VOL (max) = 0.2 V, I RESET = 15 mA
0.8
V
TPS3808G01
–2
±1
+2
VIT ≤ 3.3 V
–1.5
±0.5
+1.5
Negative-going input
VIT
3.3 V < VIT ≤ 5 V
–2
±1
+2
%
threshold accuracy
VIT ≤ 3.3 V
–1.25
±0.5
+1.25
–40°C < TJ < 85°C
3.3 V < VIT ≤ 5 V
–1.5
±0.5
+1.5
TPS3808G01
1.5
3
VHYS
Hysteresis on VIT pin
–40°C < TJ < 85°C
1
2
%VIT
1
2.5
RMR
MR internal pullup resistance
VSENSE = VIT
70
90
k
TPS3808G01
–25
25
ISENSE Input current at SENSE pin
mA
VSENSE = 6.5 V
1.7
IOH
RESET leakage current
V RESET = 6.5 V, RESET not asserted
300
nA
CT pin
VIN = 0 V to VDD
5
CIN
Input capacitance, any pin
pF
Other pins
VIN = 0 V to 6.5 V
5
VIL
MR logic low input
0
0.3 VDD
V
VIH
MR logic high input
0.7 VDD
VDD
V
SENSE
VIH = 1.05 VIT, VIL = 0.95 VIT
20
tw
Maximum transient duration
ms
MR
VIH = 0.7 VDD, VIL = 0.3 VDD
0.001
CT = Open
12
20
28
CT = VDD
180
300
420
ms
td
RESET delay time
See timing diagram
CT = 100 pF
0.75
1.25
1.75
CT = 180 nF
0.7
1.2
1.7
s
Propagation delay
MR to RESET
VIH = 0.7 VDD, VIL = 0.3 VDD
150
ns
tpHL
High-level to low-level
SENSE to RESET
VIH = 1.05 VIT, VIL = 0.95 VIT
20
ms
RESET delay
Thermal resistance,
qJA
290
°C/W
junction to ambient
(1)
Power-up reset voltage is the lowest supply voltage (VDD) at which RESET becomes active (trise(VDD) ≥ 15 ms/V).
Copyright 2007–2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPS3808-Q1
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