參數(shù)資料
型號： TPS61081DRCTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.3 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, QFN-10
文件頁數(shù)： 19/25頁
文件大?。?/td> 925K
代理商： TPS61081DRCTG4
www.ti.com
ABSOLUTE MAXIMUM RATINGS
DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
SLVS644B – FEBRUARY 2006 – REVISED JANUARY 2007
over operating free-air temperature range (unless otherwise noted)(1)
VALUE
UNIT
Supply Voltages on pin VIN(2)
–0.3 to 7
V
Voltages on pins EN, FB, SS, L and FSW(2)
–0.3 to 7
V
Voltage on pin OUT(2)
30V
V
Voltage on pin SW(2)
30V
V
Continuous Power Dissipation
See Dissipation Rating Table
Operating Junction Temperature Range
–40 to 150
°C
Storage Temperature Range
–65 to 150
°C
Lead Temperature (soldering, 10 sec)
260
°C
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values are with respect to network ground terminal.
TA≤ 25°C
TA = 70°C
TA = 85°C
PACKAGE
θ
JC
θ
JA
POWER RATING
QFN(1)
3.21
°C/W
270
°C/W
370 mW
204 mW
148 mW
QFN(2)
3.21
°C/W
48.7
°C/W
2.05 W
1.13 W
821 mW
(1)
Soldered PowerPAD on a standard 2-layer PCB without vias for thermal pad
(2)
Soldered PowerPAD on a standard 4-layer PCB with vias for thermal pad
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
VIN
Input voltage range
2.5
6.0
V
VOUT
Output voltage range
VIN
27
V
L
Inductor(1)
4.7
10
H
Cin
Input capacitor(1)
1
F
COUT
Output capacitor(1)
4.7
F
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
(1)
Refer to application section for further information
VIN = 3.6 V, EN = VIN, T
A = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN
Input voltage range
2.5
6.0
V
IQ
Operating quiescent current into VIN
Device switching no load
6
mA
ISD
Shutdown current
EN = GND
1
A
VUVLO
Under-voltage lockout threshold
VIN falling
1.65
1.8
V
Vhys
Under-voltage lockout hysterisis
50
mV
ENABLE
Enable level voltage
VIN = 2.5 V to 6 V
1.2
VEN
V
Disable level voltage
VIN = 2.5 V to 6 V
0.4
Ren
Enable pull down resistor
400
800
1600
k
Toff
EN pulse width to disable
EN high to low
74
ms
3
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