參數(shù)資料
型號(hào)： LP3906SQ-TKXII
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, QCC24
封裝： 5 X 4 MM, 0.80 MM HEIGHT, LLP-24
文件頁(yè)數(shù)： 17/40頁(yè)
文件大?。?/td> 4200K
代理商： LP3906SQ-TKXII
INTERRUPT STATUS REGISTER (ISRA) 0X02
This register informs the user 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.
The external LDO and SW enables should be pulled LOW to allow the blocks to sequence correctly through assertion of the EN_T
pin.
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
Buck 2 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
External Buck Clock
Select
0 – Internal 2 MHz
Oscillator clock
1 – External 13 MHz
Oscillator clock
Reset
0
010
1
0
EN_DLY PRESET DELAY SEQUENCE AFTER EN_T ASSERTION
EN_DLY<2:0>
Delay (ms)
Buck1
Buck2
LDO1
LDO2
000
1
001
1
1.5
2
010
1.5
2
3
6
011
1.5
2
1
100
1.5
2
3
6
101
1.5
2
110
3
2
1
1.5
111
2
3
6
11
www.national.com
24
LP3906
相關(guān)PDF資料
PDF描述
LP3906SQX-TKXII SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, QCC24
LP3906SQDJXI 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
LP3906SQXJXXI 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
LP3906SQXVPFP 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
LP3906SQXPPXP 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3906SQ-TKXII/NOPB 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP3906SQ-VPFP 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LP3906SQ-VPFP S7002740 制造商:Texas Instruments 功能描述:- Tape and Reel 制造商:Texas Instruments 功能描述:Texas Instruments LP3906SQ-VPFP S7002740
LP3906SQ-VPFP/NOPB 功能描述:其他電源管理 RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
LP3906SQX-DJXI 制造商:Texas Instruments 功能描述:Power Management Unit 24-Pin LLP EP T/R
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