参数资料
型号: A8291SETTR-T
厂商: Allegro Microsystems Inc
文件页数: 17/19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
Table 8. Component Selection Table
Component
C3
C8, C9 b , C12 b
C1, C4
C2, C5
C7
C10, C13
C11
C6
D1, D2, D3, D5
D4
L1
L2
L3
R1 to R6
R7
R8
R9
R10
Characteristics
220 nF, 10 V MIN , X5R or X7R, 0402 or 0603
220 nF, 50 V, X5R or X7R, 0805
100 nF, 50 V, X5R or X7R, 0603
100 μ F, 35 V MIN , ESR < 75 m Ω , I RIPPLE > 500 mA
22 nF, 10 V MIN , X5R or X7R, 0402 or 0603
10 nF, 50 V, X5R or X7R, 0402 or 0603
0.68 μ F, 25 V MIN , X5R or X7R, 0805
1.0 μ F, 25 V MIN , X5R or X7R, 1206
Schottky diode, 40 V, 1 A, SOD-123
TVS, 20 V RM , 32 V CL at 500 A (8/20 μ s), 3000 W
33 ? H, I SAT > 1.3 A, DCR < 130 m Ω
220 ? H, I SAT > 0.5 A, DCR < 0.8 Ω
1 ? H, 1 A, DCR < 120 m Ω , 1206
Determined by V DD , bus capacitance, etc.
15 Ω , 1%, 1 / 8 W
100 Ω , 1%, 1 / 8 W
30 Ω , 1 / 8 W
1 Ω , 1 / 8 W
Manufacturer Device
ChemiCon: EKZE500ELL101MHB5D
Nichicon: UHC1V101MPT
Panasonic: EEU-FM1H101B
TDK: C2012X5R1E684K
Murata: GRM21BR71E684KA88
Kemet: C0805C684K3PAC
AVX: 08053D684KAT2A
TDK: C3216X7R1E105K
Murata: GRM31MR71E105KA01
Taiyo Yuden: TMK316BJ105KL-T
Kemet: C1206C105K3RACTU
Diodes, Inc: B140HW-7
Central Semi: CMMSH1-40
Littelfuse: SMDJ20A
ST: LNBTVS6-221S
TDK: TSL0808RA-330K1R4-PF
Taiyo Yuden: LHLC08TB330K
Coilcraft: DR0608-333L
TDK: TSL0808RA-221KR54-PF
Taiyo Yuden: LHLC08TB221K
Coilcraft: DR0608-224L
Kemet: LB3218-T1R0MK
Murata: LQM31PN1R0M00L
Taiyo Yuden: LB3218T1R0M
TDK: MLP3216S1R0L
* Either
C9 or C12 are used, but not both.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
17
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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