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参数资料
| 型号： | L6926D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 1.4 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | MSOP-8 |
| 文件页数： | 1/11页 |
| 文件大小： | 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
相关PDF资料 |
PDF描述 |
|---|---|
| L6926Q1TR | 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6926Q1 | 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6928D | 1.65 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6928TR | 1.65 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO8 |
| L6995D | SWITCHING CONTROLLER, 270 kHz SWITCHING FREQ-MAX, PDSO20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6926D013TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR |
| L6926D1 | 功能描述:直流/直流开关调节器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L6926D1013TR | 功能描述:直流/直流开关调节器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L6926Q1 | 功能描述:直流/直流开关调节器 Hi EFFICIENCY MONOLITHIC SYNC RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L6926Q1TR | 功能描述:直流/直流开关调节器 HIGH EFFICIENCY MONO LITHIC SYNCHRONOUS RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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