參數(shù)資料
型號: L6926D
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.4 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝: MSOP-8
文件頁數(shù): 1/11頁
文件大?。?/td> 161K
代理商: L6926D
1/11
L6926D
September 2004
1
FEATURES
2V TO 5.5V BATTERY INPUT RANGE
HIGH EFFICIENCY: UP TO 95%
INTERNAL SYNCHRONOUS SWITCH
NO EXTERNAL SCHOTTKY REQUIRED
EXTREMELY LOW QUIESCENT CURRENT
1
A MAX SHUTDOWN SUPPLY CURRENT
800mA MAX OUTPUT CURRENT
ADJUSTABLE OUTPUT VOLTAGE FROM 0.6V
LOW DROP-OUT OPERATION: UP TO100%
DUTY CYCLE
SELECTABLE LOW NOISE/LOW
CONSUMPTION MODE AT LIGHT LOAD
POWER GOOD SIGNAL
±1% OUTPUT VOLTAGE ACCURACY
CURRENT-MODE CONTROL
600kHz SWITCHING FREQUENCY
EXTERNALLY SYNCHRONIZABLE FROM
500kHz TO 1.4MHz
OVP
SHORT CIRCUIT PROTECTION
2
APPLICATIONS
BATTERY-POWERED EQUIPMENTS
PORTABLE INSTRUMENTS
CELLULAR PHONES
PDAs AND HAND HELD TERMINALS
DSC
GPS
3
DESCRIPTION
The device is dc-dc monolithic regulator specifically
designed to provide extremely high efficiency.
L6926D supply voltage can be as low as 2V allowing
its use in single Li-ion cell supplied applications. Out-
put voltage can be selected by an external divider
down to 0.6V. Duty Cycle can saturate to 100% al-
lowing low drop-out operation. The device is based
on a 600kHz fixed-frequency, current mode-architec-
ture. Low Consumption Mode operation can be se-
lected at light load conditions, allowing switching
losses to be reduced. L6926D is externally synchro-
nizable with a clock which makes it useful in noise-
sensitive applications. Other features like Power-
good, Overvoltage protection, Shortcircuit protection
and Thermal Shutdown (150°C) are also present.
HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS
STEP DOWN REGULATOR
Figure 2. Application Test Circuit
L 6.8
H
SYNC
LX
VFB
C1
10
F
6.3V
C2
220pF
C4
10
F
6.3V
R2
200K
R3
500K
R1
100K
VIN=2V to 5.5V
VOUT=1.8V
VCC
RUN
COMP
GND
PGOOD
D01IN1305
7
6
1
8
3
5
24
Figure 1. Packages
Table 1. Order Codes
Part Number
Package
L6926D
MSOP8 in Tube
L6926013TR
MSOP8 in Tape & Reel
L6926D1
VFSON-8 in Tube
L6926D1013TR
VFSON8 in Tape & Reel
VFSON8 (3x4.9x1mm)
MSOP8
Rev. 1
相關(guān)PDF資料
PDF描述
L6926Q1TR 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6926D013TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
L6926D1 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L6926D1013TR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L6926Q1 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L6926Q1TR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 HIGH EFFICIENCY MONO LITHIC SYNCHRONOUS RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5