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| 型号： | SP6127EK1-L |
| 厂商： | Exar Corporation |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 6TSOT |
| 标准包装： | 1 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1.05MHz |
| 占空比： | 100% |
| 电源电压： | 4.5 V ~ 29 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 散装 |
| 其它名称： | 1016-1392 |
SP6127
High-Voltage, Step-Down Controller in TSOT6
FEATURES
Wide 4.5V – 29V Input Voltage Range
Internal compensation
LX
6
GND
5
FB
4
Built-in High-Current PMOS Driver
Adjustable Overcurrent Protection
Internal soft start
900kHz Constant Frequency Operation
0.6V Reference Voltage
1% output setpoint accuracy
SP6127
6 PinTSOT
Lead Free, RoHS Compliant Package:
Small 6-pin TSOT
1
V IN
2
GATE
3
VDR
__________________________________________________________ DESCRIPTION
The SP6127 is a PWM controlled step down (buck) voltage mode regulator with V IN feedforward and
internal Type-II compensation. It operates from 4.5V to 29V V IN , making it suitable for 5V, 12V and 24V
applications. By using a PMOS driver, this device is capable of operating at 100% duty cycle. The high-
side driver is designed to drive the gate 5V below V IN . The programmable overcurrent protection is
based on the high-side MOSFET’s ON resistance sensing and allows setting the overcurrent protection
value up to 300mV threshold (measured between VIN-LX). The SP6127 is available in a space-saving 6-
pin TSOT package making it the smallest controller available capable of operating from 24VDC supplies.
_______________________________________ TYPICAL APPLICATION CIRCUIT
VIN
2
Q1
Si2343DS
C1
4.7uF
12V
1
Vin
Gate
GND
L1, IHLP-2525CZ
LX
Rs=1k
3.3uH, 30mOhm, 6A
VOUT
C7
0.1uF
6
3
SP6127
VDR
Ds
MBRA340T3G
RZ
2K
R1
C4
22uF
1.8V
0-2.0A
200k, 1%
CZ
VFB
4
33pF
GND
GND
R2
5
SHDN
High=Of f
D1 1N4148
100k, 1%
Jan28-08 RevE
SP6127 TSOT-6 PFET Buck Controller
Page 1
? 2007 Exar Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP6127EK1L/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High-Voltage, Step-Down Controller in TSOT6 |
| SP6127EK1-L/TR | 功能描述:电压模式 PWM 控制器 High-Voltage Step Down Controller 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 |
| SP6128A | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Synchronous Step Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters |
| SP6128A_05 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Synchronous Step Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters |
| SP6128AB | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Non-Isolated DC-DC SIP Modules:3.0Vdc-5.5Vdc In, 0.9Vdc-3.3Vdc out, 10A |
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