参数资料
型号: L6727
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 1.5 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8
封装: LEAD FREE, SOP-8
文件页数: 29/34页
文件大小: 974K
代理商: L6727
Typical application circuit and block diagram
L6727
4/34
Doc ID 12933 Rev 4
1
Typical application circuit and block diagram
1.1
Application circuit
Figure 1.
Typical application circuit
1.2
Block diagram
Figure 2.
Block diagram
HS
LS
VIN = 1.5V to 19V (**)
L
COUT
Vout
LOAD
CHF
CBULK
RD
CSN
RSN
CBOOT
RgHS
RgLS
D
1
2
8
BOOT
UGATE
PHASE
LGATE
4
CDEC
FB
6
RFB
COMP /
DIS / OC
7
RF
CF
CP
GND
VCC
ROS
VCC = 5V to 12V
ROCSET
(*)
5
3
L6727 Reference Schematic
(*) ROCSET not to be connected when VCC > 5V
L6727
(**) Up to 12V with Vcc > 5V
VCC
BOOT
LGATE
FB
UGATE
COMP
/DIS
/
OC
GND
AD
APTIVE
ANTI
CR
OSS
CONDUCTION
HS
LS
VCC
ERROR
AMPLIFIER
+
-
0.8V
300 kHz
OSCILLATOR
PWM
PHASE
CONTROL LOGIC
& PROTECTIONS
CURRENT READ
& OCP
DISABLE
V
out
Monitor
I OCSET
L6727
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相关代理商/技术参数
参数描述
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L6727TR 功能描述:开关变换器、稳压器与控制器 Single PWM controler RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
L6728 功能描述:DC/DC 开关控制器 Sngl phase PWM controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
L6728_0706 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Single phase PWM controller with Power Good
L6728A 功能描述:电压模式 PWM 控制器 Hi-Freq. singl-phase PWM controller w/Po RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel