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參數資料
| 型號： | TLV62065DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 3400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, WSON-8 |
| 文件頁數： | 21/26頁 |
| 文件大小： | 1182K |
| 代理商： | TLV62065DSGT |
SLVSAC4 – NOVEMBER 2010
www.ti.com
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
5.5
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
2.9V
≤ VIN ≤ 5.5V
1.0
5.5
V
VIL
Low level input voltage
2.9V
≤ VIN ≤ 5.5V
0
0.4
V
IIN
Input bias current
EN, Mode tied to GND or AVIN
0.01
1
mA
POWER SWITCH
VIN = 3.6V
(1)
120
180
RDS(on)
High-side MOSFET on-resistance
m
VIN = 5.0V
(1)
95
150
VIN = 3.6V
(1)
90
130
RDS(on)
Low-side MOSFET on-resistance
m
Ω
VIN = 5.0V
(1)
75
100
Forward current limit MOSFET
ILIMF
3V
≤ VIN ≤ 3.6V
2300
2750
mA
high-side and low-side
Thermal shutdown
Increasing junction temperature
150
TSD
°C
Thermal shutdown hysteresis
Decreasing junction temperature
10
OSCILLATOR
fSW
Oscillator frequency
2.9V
≤ VIN ≤ 5.5V
2.6
3
3.4
MHz
OUTPUT
Vref
Reference voltage
600
mV
PWM operation, MODE = VIN ,
VFB(PWM)
Feedback voltage PWM Mode
–2.0
0
2.0
2.9V
≤ VIN ≤ 5.5V, 0 mA load
%
Feedback voltage PFM mode,
device in PFM mode, voltage positioning active(2)
VFB(PFM)
1
Voltage Positioning
Load regulation
-0.5
%/A
VFB
Line regulation
0
%/V
Activated with EN = GND, 2.9V
≤ VIN≤ 5.5V, 0.8 ≤
200
R(Discharge)
Internal discharge resistor
Ω
VOUT≤ 3.6V
tSTART
Start-up time
Time from active EN to reach 95% of VOUT
500
ms
(1)
Maximum value applies for TJ = 85°C
(2)
In PFM mode, the internal reference voltage is set to typ. 1.01×Vref. See the parameter measurement information.
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s) :TLV62065
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