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參數資料
| 型號： | TPS62082DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.002 A SWITCHING REGULATOR, PDSO8 |
| 封裝： | 2 X 2 MM, GREEN, PLASTIC, WSON-8 |
| 文件頁數： | 20/26頁 |
| 文件大小： | 872K |
| 代理商： | TPS62082DSGT |
SLVSAE8
– SEPTEMBER 2011
ELECTRICAL CHARACTERISTICS
Over recommended free-air temperature range, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted),
VIN=3.6V, MODE = LOW.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VIN
Input voltage range
2.3
6.0
V
Quiescent current into VIN
IOUT = 0mA, Device not switching
30
uA
IQ
Quiescent current into VIN (SNOOZE
IOUT = 0mA, Device not switching, MODE=HIGH
6.5
uA
MODE)
ISD
Shutdown current into VIN
EN = LOW
1
A
Under voltage lock out
Input voltage falling
1.8
2.0
V
VUVLO
Under voltage lock out hysteresis
Rising above VUVLO
120
mV
TJSD
Thermal shut down
Temperature rising
150
°C
Thermal shutdown hysteresis
Temperature falling below TJSD
20
°C
LOGIC INTERFACE (ENABLE, MODE)
VIH
High level input voltage
2.3V
≤ VIN ≤ 6.0V
1
V
VIL
Low level input voltage
2.3V
≤ VIN ≤ 6.0V
0.4
V
ILKG
Input leakage current
0.01
0.5
A
POWER GOOD
VPG
Power good threshold
VOUT falling referenced to VOUT nominal
–15
–10
–5
%
Power good hysteresis
5
%
VIL
Low level voltage
Isink = 500 A
0.3
V
IPG,LKG
PG Leakage current
VPG = 5.0 V
0.01
0.1
A
OUTPUT
Output voltage range TPS62080
0.5
4.0
V
Output voltage accuracy TPS62081
IOUT = 0 mA; VIN ≥ 2.3V
–2.5
2.5
%
VOUT
Output voltage accuracy TPS62082
IOUT = 0 mA; VIN ≥ 3.6V
–2.5
2.5
%
Snooze Mode output voltage accuracy
MODE = HIGH; VIN ≥ 2.3V and VIN ≥ VOUT + 1V
–5
5
%
VFB
Feedback regulation voltage
TPS62080; VIN ≥ 2.3V and VIN ≥ VOUT + 1V
0.438
0.45
0.462
V
IFB
Feedback input bias current
TPS62080; VFB = 0.45 V
10
100
nA
RDIS
Output discharge resistor
EN = LOW, VOUT = 1.8 V
1
k
Line Regulation
0
%/V
Load Regulation
TPS62081, TPS62082
-0.25
%/A
High side FET on-resistance
ISW = 500 mA
120
m
RDS(on)
Low side FET on-resistance
ISW = 500 mA
90
m
ILIM
High side FET switch current limit
Rising inductor current
1.6
2.8
4
A
Copyright
2011, Texas Instruments Incorporated
3
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