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参数资料
| 型号： | A8285SLBTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC LNB SUPPLY/VOLTAGE REG 16SOIC |
| 标准包装： | 1 |
| 应用： | 转换器，模拟和数字式卫星信号接收器 |
| 输入电压： | 6 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： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 标准包装 |
| 产品目录页面： | 1141 (CN2011-ZH PDF) |
| 其它名称： | 620-1202-6 |
A8285 and
A8287
LNB Supply and Control Voltage Regulator
ELECTRICAL CHARACTERISTICS at T A = +25°C, V IN = 10 to 16 V (unless otherwise noted)
Characteristics
Set-point Accuracy, load and line
regulation
Supply Current
Symbol
V O1
I CC
I CCEN
Test Conditions
Relative to target voltage selected, with:
I LOAD = 0 to 500 mA
ENB = Low, LNB output disabled
ENB = High, LNB output enabled, I LOAD = 0mA
Min.
-4.5
–
–
Typ.
0
–
–
Max.
4.5
7
15
Units
%
mA
mA
Boost Switch-On Resistance
R DSBOOST T J = 25 ° C, I LOAD = 500mA
–
400
500
m ?
Switching Frequency
Switch Current Limit
Linear Regulator Voltage Drop
Slew Rate Current on TCAP
Output Voltage Slew Period
Output Reverse Current
Ripple and Noise on LNB Output
fo
–
? V REG
I CAP
t slew
I OR
V RN
–
V IN = 12 V
V BOOST – V LNB , no tone signal, I LOAD = 500 mA
Charging
Discharging
V LNB = 13 to 18 V, TCAP = 6.8 nF, I LOAD = 500
mA
ENB = Low, V LNB = 28 V with C4 fully charged
See notes 1 and 2
320
2.0
400
–12.5
7.5
–
–
–
352
3
600
–10
10
500
1
–
384
4.0
800
–7.5
12.5
–
5
50
kHz
A
mV
μ A
μ A
μ s
mA
mV pp
Protection Circuitry
Overcurrent Limit
Overcurrent Disable Time
V IN Undervoltage Threshold
V IN Turn-On Threshold
Power-Not-Good Flag Set
I LIM
t DIS
UV OFF
UV ON
PNG set
High limit
Low limit
–
Guaranteed turn-off
Guaranteed turn-on
–
550
400
1.2
8.65
8.75
77
700
500
–
9.15
9.25
85
850
600
1.7
9.65
9.75
93
mA
mA
ms
V
V
%V LNB
Power-Not-Good Flag Reset
PNG reset –
82
90
98
%V LNB
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
T J
? T J
See note 1
See note 1
–
–
165
20
–
–
°C
°C
Continued on next page
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8286 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Dual LNB Supply and Control Voltage Regulator |
| A8286SETTR-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:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| A8286SETTR-TB | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Dual LNB Supply and Control Voltage Regulator |
| A8286SLBTR-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| A8287 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:LNB Supply and Control Voltage Regulator |
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