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參數資料
型號: LTC3445EUF#TRPBF
廠商: Linear Technology
文件頁數: 16/24頁
文件大小: 475K
描述: IC REG TRPL BUCK/LINEAR 24-QFN
標準包裝: 2,500
拓撲: 降壓(降壓)(1),線性(LDO)(2)
功能: 任何功能
輸出數: 3
頻率 - 開關: 1.5MHz
電壓/電流 - 輸出 1: 0.85 V ~ 1.55 V,600mA
電壓/電流 - 輸出 2: 可調至0.6V,50mA
電壓/電流 - 輸出 3: 可調至0.6V,50mA
帶 LED 驅動器:
帶監控器:
帶序列發生器:
電源電壓: 2.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤
供應商設備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 帶卷 (TR)
16
LTC3445
3445fa
1
2
C Register Definitions
(POR = 00 for all registers)
REG 0
REG 1
7  0 (Logic Low)
7 0 (Logic Low)
6  0 (Logic Low)
6 0 (Logic Low)
5  Buck DAC5
5 0 (Logic Low)
4  Buck DAC4
4 0 (Logic Low)
3  Buck DAC3
3 0 (Logic Low)
2  Buck DAC2
2 0 (Logic Low)
1  Buck DAC1
1 Slew Rate 1
0  Buck DAC0
0 Slew Rate 0
REG 2
REG 3
7  0 (Logic Low)
7 PGOOD Blank Disable
6  0 (Logic Low)
6 0 (Logic Low)
5  0 (Logic Low)
5 0 (Logic Low)
4  STATUSBuck Thermal Shutdown   4 0 (Logic Low)
3  STATUSBuck PGOODb
3 BURST Mode
2  STATUSLDO2 PGOODb
2 LDO2 Disable
1  STATUSLDO1 PGOODb
1 LDO1 Disable
0  Buck Update (GO Bit)
0 Buck Disable
OPERATIO
(refer to Figure 1)
REG 5
7  0 (Logic Low)
6  % SPR1
5  % SPR0
4  (Logic Low)
3  (Logic Low)
2  (Logic Low)
1  (Logic Low)
0  (Logic Low)
data line is also left high by the slave and master after a
slave has transmitted a byte of data to the master in a read
operation, but this is a not-acknowledge that indicates that
the data transfer is successful.
Commands Supported
The LTC3445 supports read byte and write byte com-
mands. For the ACK bits, an S indicates that the slave is
pulling the data line low and an M indicates that the master
is effectively acknowledging by leaving the data line high.
Data Transfer Timing for Write Commands
In order to help assure that bad data is not written into the
part, data from a write command is only stored after a
valid acknowledge has been performed. The part will
detect that SDA is low on the rising edge of SCL that marks
the end of the period in which the LTC3445 acknowledges
the data write and then latch the data during the following
SCL low period.
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相關代理商/技術參數
參數描述
LTC3446 制造商:LINER 制造商全稱:Linear Technology 功能描述:Monolithic Buck Regulator with Dual VLDO Regulators
LTC3446EDE 制造商:LINER 制造商全稱:Linear Technology 功能描述:Monolithic Buck Regulator with Dual VLDO Regulators
LTC3446EDE#PBF 功能描述:IC REG TRPL BCK/LINEAR 14-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓(降壓)同步(3),線性(LDO)(2) 功能:任何功能 輸出數:5 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅動器:無 帶監控器:無 帶序列發生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
LTC3446EDE#TRPBF 功能描述:IC REG TRPL BCK/LINEAR 14-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓(降壓)同步(3),線性(LDO)(2) 功能:任何功能 輸出數:5 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅動器:無 帶監控器:無 帶序列發生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
LTC3446EDE-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Monolithic Buck Regulator with Dual VLDO Regulators
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