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參數資料
| 型號： | TPS62122DRV |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO6 |
| 封裝： | 2 X 2 MM, GREEN, PLASTIC, SON-6 |
| 文件頁數： | 1/33頁 |
| 文件大?。?/td> | 5549K |
| 代理商： | TPS62122DRV |
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VIN
EN
FB
TPS62120
PG
L 22 H
m
SW
GND
SGND
VOUT
R pullup100kW
PWRGOOD
V
=2.5Vto15V
IN
C
4.7 F
IN
m
R
300k
1
W
R
240k
2
W
Cff
22pF
V
=1.8V
upto75mA
OUT
C
4.7 F
OUT
m
0.1
1
10
100
I -OutputCurrent-mA
O
30
40
50
60
70
80
90
100
Efficiency-%
V
=5.5V
IN
V
=8V
IN
V
=10V
IN
V
=12V
IN
V
=15V
IN
V =5V,
L =18 H,
LPS3015,
C =4.7 F
O
m
www.ti.com
SLVSAD5 – JULY 2010
15V, 75mA High Efficient Buck Converter
1
FEATURES
DESCRIPTION
Wide Input Voltage Range 2V to 15V
Up to 96% Efficiency
The TPS6212X device family is a high efficient
synchronous step down DC-DC converter optimized
Power Save Mode with 11 A Quiescent
for low power applications. It supports up to 75mA
Current
output current and allows the use of tiny external
Output Current 75mA
inductors and capacitors.
Output Voltage Range 1.2V to 5.5V
The wide operating input voltage range of 2V to 15V
Up to 800kHz Switch Frequency
supports energy harvesting, battery powered and as
well 9V or 12V line powered applications.
Synchronous Converter, no External Rectifier
Low Output Ripple Voltage
With its advanced hysteretic control scheme the
converter provides power save mode operation. At
100% Duty Cycle for Lowest Dropout
light loads the converter operates in PFM mode
Small SOT 8 pin (TPS62120) and 2x2 SON 6
(pulse
frequency
modulation)
and
transitions
pin (TPS62122) Package
automatically in PWM (pulse width modulation) mode
Internal Soft Start
at higher load currents. The Power Save Mode
maintains high efficiency over the entire load current
Power Good Open Drain Output TPS62120
range. The hysteretic control scheme is optimized for
Open Drain Output for Output Discharge
low output ripple voltage in PFM mode in order to
TPS62120
reduce output noise to a minimum. It consumes only
2.5V Rising / 1.85V Falling UVLO Thresholds
10uA quiescent current from VIN in PFM mode
operation.
APPLICATIONS
In shutdown mode, the device is turned off.
Low Power RF Applications
An open drain power good output is available in the
Ultra Low Power Microprocessor
TPS62120 and indicates once the output voltage is in
Energy Harvesting
regulation.
Industrial Measuring
TPS62120 has an additional SGND pin which is
connected to GND during shutdown mode. This
output can be used to discharge the output capacitor.
The TPS62120 is available in a small 3×3 mm2 8 pin
SOT 23 package and the TPS62122 in a 2×2 mm2 6
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.
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62122DRVR | 功能描述:直流/直流開關轉換器 15V75mA96% Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62122DRVT | 功能描述:直流/直流開關轉換器 15V75mA96% Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62122DRVT | 制造商:Texas Instruments 功能描述:IC SYNC BUCK DC/DC CONTROLLER 800KHZ 制造商:Texas Instruments 功能描述:IC, SYNC BUCK DC/DC CONTROLLER, 800KHZ, 6-SON |
| TPS62122EVM-586 | 功能描述:電源管理IC開發工具 TPS62122 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS62122EVM-586 | 制造商:Texas Instruments 功能描述:EVAL BOARD, TPS62122, BUCK CONVERTER |
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