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參數(shù)資料
| 型號(hào)： | A8287 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | LNB Supply and Control Voltage Regulator |
| 中文描述： | LNB電源和控制穩(wěn)壓器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大小： | 527K |
| 代理商： | A8287 |
4
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
D
P
2
A8285/A8287
LNB Supply and Control Voltage Regulator
ELECTRICAL CHARACTERISTICS
(
continued
) at T
A
= +25°C, V
IN
= 10 to 16 V (unless otherwise noted)
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Tone Characteristics
Tone Frequency
f
TONE
–
20
22
24
kHz
Tone Pull-Down Current
I
TONE
–
30
40
50
mA
Tone Turn-On and Turn-Off Delays
t
DEL
V
IH
V
IL
I
IL
V
TDI
Using EXTM pin
–
–
1
μs
External Tone Logic Input
–
–
–
2
–
–
–
–
–
V
V
μA
0.8
1
Input Leakage
–1
Tone Detector Input Amplitude
f
IN
= 22 kHz
260
–
1000
mV
Tone Detector Frequency Capture
f
TDI
600 mV
pp
sinewave
17.6
–
26.4
kHz
Tone Detector Input Impedance
Z
TDI
See note 1
–
8.6
–
k
Tone Detector Output Voltage
V
OL
Tone present, I
LOAD
= 3 mA
–
–
0.4
V
Tone Detector Output Leakage
I
OL
Tone absent, V
O
= 7 V
–
–
10
μ
A
I
2
C
Interface
Logic Input (SDA,SCL) Low Level
V
IL
–
–
–
0.8
V
Logic Input (SDA,SCL) High Level
V
IH
–
2
–
–
V
Input Hysteresis
V
HYS
–
–
150
–
mV
Logic Input Current
Output Voltage (SDA, IRQ)
I
IN
V
OL
V
IN
= 0 V to 7 V
I
LOAD
= 3 mA
–10
–
<±1.0
–
10
0.4
μA
V
Output Leakage (SDA, IRQ)
I
OL
V
O
= 0 V to 7 V
–
–
10
μA
SCL Clock Frequency
f
CLK
–
0
–
400
kHz
Output Fall Time
t
OF
V
IH
to V
IL
–
–
250
ns
Bus Free Time Between Stop and Start
t
BUF
See I
2
C Interface Timing Diagram
1.3
–
–
μs
Hold Time for Start Condition
t
HD:STA
See I
2
C Interface Timing Diagram
0.6
–
–
μs
Setup Time for Start Condition
t
SU:STA
See I
2
C Interface Timing Diagram
0.6
–
–
μs
SCL Low Time
t
LOW
See I
2
C Interface Timing Diagram
1.3
–
–
μs
SCL High Time
t
HIGH
See I
2
C Interface Timing Diagram
0.6
–
–
μs
Data Setup Time
t
SU:DAT
See note1; I
2
C Interface Timing Diagram
100
–
–
ns
Data Hold Time
t
HD:DAT
See I
2
C Interface Timing Diagram
0
–
900
ns
Setup Time for Stop Condition
t
SU:STO
See I
2
C Interface Timing Diagram
0.6
–
–
μs
Continued on next page
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| A8287SLB | 功能描述:IC REG LNB SUPPLY/CTRL 24-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR) |
| A8287SLB-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| A8287SLBTR | 功能描述:IC REG LNB SUPPLY/CTRL 24-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR) |
| A8287SLBTR-T | 功能描述:IC LNB SUPPLY/VOLTAGE REG 24SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| A8290 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Single LNB Supply and Control Voltage Regulator |
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