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參數(shù)資料
| 型號： | TLV62065DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)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(shù)： | 1/26頁 |
| 文件大?。?/td> | 1182K |
| 代理商： | TLV62065DSGT |
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50
55
60
65
70
75
80
85
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100
Efficiency
-
%
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
I - Load Current - A
L
V
= 4.2 V
IN
V
= 5 V
IN
V
= 3.7 V
IN
L = 1.2 H (NRG4026T 1R2),
C
= 22 F (0603 size),
V
= 3.3 V,
Mode: Auto PFM/PWM
m
OUT
TYPICAL APPLICATION CIRCUIT
L
1.0 H
m
C
10 F
OUT
m
V
= 2.9 V to 5.5 V
IN
C
22 pF
ff
R
180 k
2
W
R
360 k
1
W
C
10
IN
mF
PVIN
PGND
EN
FB
TLV62065
SW
AVIN
AGND
V
1.8 V 2 A
OUT
MODE
www.ti.com
SLVSAC4 – NOVEMBER 2010
3-MHz 2A Step Down Converter in 2x2 SON Package
Check for Samples: TLV62065
1
FEATURES
DESCRIPTION
2
VIN Range from 2.9V to 5.5V
Up to 97% Efficiency
The TLV62065 is a high efficient synchronous step
down DC-DC converter. It provides up to 2.0A output
Power Save Mode / 3MHz Fixed PWM Mode
current.
Output Voltage Accuracy in PWM Mode ±2.0%
With an input voltage range of 2.9V to 5.5V the
Output Capacitor Discharge Function
device is a perfect fit for power conversion from a 5V
Typical 18 A Quiescent Current
or 3.3V system supply rail. The TLV62065 operates
100% Duty Cycle for Lowest Dropout
at 3MHz fixed frequency and enters Power Save
Mode operation at light load currents to maintain high
For Improved Feature Set See TPS62065
efficiency over the entire load current range. For low
Available in a 2x2x0.75mm SON
noise applications, TLV62065 can be forced into fixed
frequency PWM mode by pulling the MODE pin high.
APPLICATIONS
In the shutdown mode, the current consumption is
Point Of Load (POL)
reduced to less than 1A and an internal circuit
Notebooks, Pocket PCs
discharges the output capacitor.
Portable Media Players
TLV62065 operates with a 1.0H inductor and 10F
Set Top Box
output capacitor.
The TLV62065 is available in a small 2x2x0.75mm 8-
pin SON package.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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