- 您现在的位置：买卖IC网 > PDF目录79749 > LP3907SQX-JIXI (NATIONAL SEMICONDUCTOR CORP) 1.5 A DUAL SWITCHING CONTROLLER, 2100 kHz SWITCHING FREQ-MAX, QCC24 PDF资料下载
参数资料
| 型号： | LP3907SQX-JIXI |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A DUAL SWITCHING CONTROLLER, 2100 kHz SWITCHING FREQ-MAX, QCC24 |
| 封装： | 4 X 4 MM, 0.8 MM HEIGHT, LLP-24 |
| 文件页数： | 22/44页 |
| 文件大小： | 3058K |
| 代理商： | LP3907SQX-JIXI |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页当前第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页
LP3907 Control Registers
Register
Address
Register
Name
Read/
Write
Register Description
0x02
ICRA
R
Interrupt Status Register A
0x07
SCR1
R/W
System Control 1 Register
0x10
BKLDOEN
R/W
Buck and LDO Output Voltage Enable Register
0x11
BKLDOSR
R
Buck and LDO Output Voltage Status Register
0x20
VCCR
R/W
Voltage Change Control Register 1
0x23
B1TV1
R/W
Buck1 Target Voltage 1 Register
0x24
B1TV2
R/W
Buck1 Target Voltage 2 Register
0x25
B1RC
R/W
Buck1 Ramp Control
0x29
B2TV1
R/W
Buck2 Target Voltage 1 Register
0x2A
B2TV2
R/W
Buck2 Target Voltage 2 Register
0x2B
B2RC
R/W
Buck2 Ramp Control
0x38
BFCR
R/W
Buck Function Register
0x39
LDO1VCR
R/W
LDO1 Voltage control Registers
0x3A
LDO2VCR
R/W
LDO2 Voltage control Registers
INTERRUPT STATUS REGISTER (ISRA) 0X02
This register informs the System Engineer of the temperature status of the chip.
D7-2
D1
D0
Name
—
Temp 125°C
—
Access
—
R
—
Data
Reserved
Status bit for thermal warning
PMIC T>125°C
0 – PMIC Temp. < 125°C
1 – PMIC Temp. > 125°C
Reserved
Reset
0
CONTROL 1 REGISTER (SCR1) 0X07
This register allows the user to select the preset delay sequence for power-on timing, to switch between PFM and PWM mode for
the bucks, and also to select between an internal and external clock for the bucks.
D7
D6-4
D3
D2
D1
D0
Name
—
EN_DLY
—
FPWM2
FPWM1
ECEN
Access
—
R/W
—
R/W
Data
Reserved
Selects the preset
delay sequence
from EN_T assertion
(shown below)
Reserved
Buck2 PWM /PFM
Mode select
0 – Auto Switch PFM -
PWM operation
1 – PWM Mode Only
Buck 1 PWM /PFM
Mode select
0 – Auto Switch PFM -
PWM operation
1 – PWM Mode Only
Reserved
Reset
0
010
1
0
29
www.national.com
LP3907
相关PDF资料 |
PDF描述 |
|---|---|
| LT1004IPWRG4-1-2 | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PDSO8 |
| LTC2912HDDB-3#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LK1501-9EPDD | 1-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE |
| LK1501-9ERD3B1 | 1-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE |
| LK1501-9ERD6B1 | 1-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LP3907SQX-JXQX | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface |
| LP3907SQX-JXQX/NOPB | 功能描述:其他电源管理 RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| LP3907SQX-PFX6W/NOPB | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3907SQX-PJXIX/NOPB | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3907SQX-PXPP | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface |
发布紧急采购，3分钟左右您将得到回复。