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參數(shù)資料
| 型號(hào)： | TPS60243DGKTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MSOP-8 |
| 文件頁(yè)數(shù)： | 1/27頁(yè) |
| 文件大小： | 715K |
| 代理商： | TPS60243DGKTG4 |
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TPS60240, TPS60241
TPS60242, TPS60243
SLVS372B – JUNE 2001 – REVISED JANUARY 2002
170-
Vrms ZERO-RIPPLE SWITCHED CAP BUCK-BOOST
CONVERTER FOR VCO SUPPLY
(3,05 mm x 4,98 mm)
Actual Size
1
www.ti.com
FEATURES
D Wide Input Voltage Range:
– 1.8 V To 5.5 V for 2.7-V, 3-V, 3.3-V Output
(TPS60240/2/3)
– 2.7 V To 5.5 V for 5-V Output (TPS60241)
D 170-Vrms Zero Ripple Output:
– at 20 Hz to 10 MHz Bandwidth
D Minimum Number of External Components
– No Inductors
– Only Small Ceramic Chip Capacitors
D Up to 90% Efficiency
D Regulated 3.3-V (TPS60240), 5-V (TPS60241),
3-V (TPS60243), and 2.7-V (TPS60242) Output
Voltage With
±2.5% Accuracy Over Load
D Up to 25-mA Output Current
D Shutdown Mode: 0.1 A Typical
D Thermal Protection and Current Limit
D Microsmall 8-Pin MSOP Package
D EVM Available TPS60241EVM-194
APPLICATIONS
D VCO and PLL Power for:
– PDA Phones
– Cellular Phones
– PCMCIA Modems
D Smartcard Readers
D Digital Cameras
D MP3 Players
D SIM Modules
D Electronic Games
D Memory Backup
D Handheld Meters
D Bias Supplies
DESCRIPTION
The TPS6024x is a switched capacitor voltage
converter, ideally suited for VCO and PLL applications
that require low noise and tight tolerances. Its dual-cap
design uses four ceramic capacitors to provide ultralow
output ripple yet high efficiency, while eliminating the
need for inefficient linear regulators.
A wide input supply voltage range of 2.7 V to 5.5 V
makes the TPS6024x ideal for lithium-based battery
applications. The TPS60240/2/3 operates down to
1.8 V, supporting a 3.3-V, 2.7-V, 3-V output from
two-cell, nickel- or alkaline-based chemistries. The
devices work equally well for low EMI dc/dc step-up
conversion without the need for an inductor. The high
switching frequency (typical 160 kHz) promotes the use
of small surface-mount capacitors, saving board space.
The converter’s shutdown mode conserves battery
energy.
typical application circuit
TPS60241
VIN
C1
1
F
C2
1
F
C1+
C1–
GND
VOUT
C2+
C2–
EN
CI
1
F
GND
3.3 V
5 V
CO
1
F
VCO
VCC
GND
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2002, Texas Instruments Incorporated
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS60243DGK | 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS60242DGK | 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS60242DGKR | 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS60240DGK | 0.012 A SWITCHED CAPACITOR REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS60302DGSG4 | SWITCHED CAPACITOR REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO10 |
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