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| 型号： | A8291SETTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | IC VOLTAGE REG SGL LNB 28-QFN |
| 标准包装： | 9,000 |
| 应用： | 转换器，模拟和数字式卫星信号接收器 |
| 输入电压： | 8 V ~ 16 V |
| 输出数： | 1 |
| 输出电压： | 12.7 V ~ 20.4 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-VFQFN 裸露焊盘 |
| 供应商设备封装： | 28-QFN/MLP 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
A8291
Single LNB Supply and Control Voltage Regulator
ELECTRICAL CHARACTERISTICS (continued) at T A = 25°C, V IN = 8 to 16 V, unless noted otherwise 1
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Bypass FET
Bypass FET Control (BFC) Logic Input
Input Leakage
V BFC(H)
V BFC(L)
I BFCLKG
2.0
–
–1
–
–
–
–
0.8
1
V
V
μ A
Bypass FET On Resistance
Turn On/Off Delay 2
R DS(on)
t D(ON/OFF)
I LOAD = 450 mA, and V BFC = Low, or
BFC2 bit = 1
V BFC = Low, or BFC2 bit = 1
–
–
0.5
650
1
–
Ω
μ s
Tone
Tone Frequency
f TONE
20
22
24
kHz
Tone Amplitude, Peak-to-Peak
Tone Duty Cycle
Tone Rise Time
Tone Fall Time
EXTM Logic Input
EXTM Input Leakage
V TONE(pp)
DC TONE
t rTONE
t fTONE
V EXTM(H)
V EXTM(L)
I EXTMLKG
I LOAD = 0 to 450 mA, C LOAD = 750 nF
I LOAD = 0 to 450 mA, C LOAD = 750 nF
I LOAD = 0 to 450 mA, C LOAD = 750 nF
I LOAD = 0 to 450 mA, C LOAD = 750 nF
400
40
5
5
2.0
–
–1
620
50
10
10
–
–
–
800
60
15
15
–
0.8
1
mV
%
μ s
μ s
V
V
μ A
Tone Detector
Tone Detect Input Amplitude Receive, Peak-to-Peak
Tone Detect Input Amplitude Transmit, Peak-
to-Peak
Tone Reject Input Amplitude, Peak-to-Peak
Frequency Capture
Input Impedance 2
TDO Output Voltage
TDO Output Leakage
V TDR(pp)
V TDT(pp)Int
V TDT(pp)Ext
V TRI(pp)
f TDI
Z TDI
V TDO(L)
I TDOLKG
f TONE = 22 kHz sine wave, TMODE = 0
f TONE = 22 kHz sine wave, using internal tone
(options 1 and 2, in figure 1)
f TONE = 22 kHz sine wave, using external
tone (options 3 and 4, in figure 1)
f TONE = 22 kHz sine wave
600 mVpp sine wave
Tone present, I LOAD = 3 mA
Tone absent, V TDO = 7 V
300
400
300
–
17.6
–
–
–
–
–
–
–
–
8.6
–
–
–
–
–
100
26.4
–
0.4
10
mV
mV
mV
mV
kHz
k Ω
V
μ A
I 2 C?-Compatible Interface
Logic Input (SDA,SCL) Low Level
Logic Input (SDA,SCL) High Level
Logic Input Hysteresis
V SCL(L)
V SCL(H)
V I2CIHYS
–
2.0
–
–
–
150
0.8
–
–
V
V
mV
Logic Input Current
Logic Output Voltage SDA and IRQ
Logic Output Leakage SDA and IRQ
SCL Clock Frequency
Output Fall Time
Bus Free Time Between Stop/Start
Hold Time Start Condition
Setup Time for Start Condition
I I2CI
V t2COut(L)
V t2CLKG
f CLK
t fI2COut
t BUF
t HD:STA
t SU:STA
V I2CI = 0 to 7 V
I LOAD = 3 mA
V t2COut = 0 to 7 V
V t2COut(H) to V t2COut(L)
–10
–
–
–
–
1.3
0.6
0.6
<±1.0
–
–
–
–
–
–
–
10
0.4
10
400
250
–
–
–
μ A
V
μ A
kHz
ns
μ s
μ s
μ s
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
5
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| A8291SETTR-TB | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Single LNB Supply and Control Voltage Regulator |
| A8292 | 制造商:AMPEX 功能描述: |
| A8292SETTR-T | 功能描述:IC REG LNB SUPPLY/CONTROL 28-MLP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:2,000 系列:- 应用:控制器，DSP 输入电压:4.5 V ~ 25 V 输出数:2 输出电压:最低可调至 1.2V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:30-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:30-TSSOP 包装:带卷 (TR) |
| A8293 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Single LNB Supply and Control Voltage Regulator |
| A8293SESTR-T | 功能描述:IC REG LNB BOOST/LINEAR 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
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