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参数资料
| 型号： | TPS62067DSG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 3400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, WSON-8 |
| 文件页数： | 22/28页 |
| 文件大小： | 1208K |
| 代理商： | TPS62067DSG |
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www.ti.com
SLVS833A – MARCH 2010 – REVISED MAY 2010
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
AVIN ,
Supply voltage
2.9
6
V
PVIN
Output current capability
2000
mA
Output voltage range for adjustable voltage
0.8
VIN
V
L
Effective Inductance Range
0.7
1.0
1.6
H
COUT
Effective Output Capacitance Range
4.5
10
22
F
TA
Operating ambient temperature(1)
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
(1)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (TA(max)) is dependent on the maximum operating junction temperature (TJ(max)), the
maximum power dissipation of the device in the application (PD(max)), and the junction-to-ambient thermal resistance of the
part/package in the application (qJA), as given by the following equation: TA(max)= TJ(max)–(qJA X PD(max))
ELECTRICAL CHARACTERISTICS
Over full operating ambient temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply
for condition VIN = EN = 3.6V. External components CIN = 10mF 0603, COUT = 10mF 0603, L = 1.0mH, see the parameter
measurement information.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VIN
Input voltage range
2.9
6
V
IOUT = 0 mA, device operating in PFM mode
IQ
Operating quiescent current
18
mA
and not device not switching
ISD
Shutdown current
EN = GND, current into AVIN and PVIN combined
0.1
1
mA
Falling
1.73
1.78
1.83
VUVLO
Undervoltage lockout threshold
V
Rising
1.9
1.95
1.99
ENABLE, MODE
VIH
High level input voltage
2.9 V
≤ VIN ≤ 6 V
1.0
6
V
VIL
Low level input voltage
2.9 V
≤ VIN ≤ 6 V
0
0.4
V
IIN
Input bias current
EN, Mode tied to GND or AVIN
0.01
1
mA
POWER GOOD OPEN DRAIN OUTPUT
Rising feedback voltage
93%
95%
98%
VTHPG
Power good threshold voltage
Falling feedback voltage
87%
90%
92%
IOUT = –1mA; must be limited by external pullup
0.3
VOL
Output low voltage
V
resistor (1)
Voltage applied to PG pin via external pullup
VIN
VH
Output high voltage
V
resistor
ILKG
Leakage current into PG pin
V(PG) = 3.6V
100
nA
tPGDL
Internal power good delay time
5
s
POWER SWITCH
VIN = 3.6 V
(1)
120
180
RDS(on)
High-side MOSFET on-resistance
m
VIN = 5.0 V
(1)
95
150
VIN = 3.6 V
(1)
90
130
RDS(on)
Low-side MOSFET on-resistance
m
Ω
VIN = 5.0 V
(1)
75
100
Forward current limit MOSFET
ILIMF
2.9V
≤ VIN ≤ 6 V
2300
2750
3300
mA
high-side and low-side
Thermal shutdown
Increasing junction temperature
150
TSD
°C
Thermal shutdown hysteresis
Decreasing junction temperature
10
(1)
Maximum value applies for TJ = 85°C
Copyright 2010, Texas Instruments Incorporated
3
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