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参数资料
| 型号： | A8499SLJTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A 8SOIC |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.2 V ~ 24 V |
| 输入电压： | 8 V ~ 50 V |
| PWM 型： | 电流模式 |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-SOIC-EP |
| 其它名称： | 620-1102-6 |
A8499
High Voltage Step-Down Regulator
Features and Benefits
Description
?
?
?
?
?
8 to 50 V input range
Integrated DMOS switch
Adjustable fixed off-time
Highly efficient
Adjustable 1.2 to 24 V output
The A8499 is a step down regulator that will handle a wide
input operating voltage range.
The A8499 is supplied in a low-profile 8-lead SOIC with
exposed pad (package LJ).
Applications include:
? Printer power supplies
? Consumer equipment power supplies
Package: 8-Lead SOIC with exposed
thermal pad (suffix LJ)
Approximate Scale 1:1
Typical Application
+42 V
Efficiency vs. Output Current
BOOT
CBOOT
0.01 μ F
VIN
C3
100 μ F
50 V
C3
0.22 μ F
90.0
88.0
86.0
84.0
82.0
RTSET
121 k Ω
ENB
TSET
GND
A8499
LX
VBIAS
FB
L1
47 μ H
R1
17.8 k Ω
VOUT
3.3 V / 1.2 A
ESR
80.0
78.0
76.0
74.0
72.0
70.0
V OUT (V)
3.3
5
D1
R2
10.2 k Ω
COUT
220 μ F
10 V
0
200
400
600 800
I OUT (mA)
1000
1200
1400
Circuit for 42 V step down to 3.3 V at 1.2 A. Efficiency data from circuit shown in left panel.Data is for reference only.
A8499-DS, Rev. 5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A84N2518FSLP | 制造商:HOFFMAN ENCLOSURES 功能描述:LARGE TYPE 1 ENCLOSURE;84.00X25.50X18.00;STEEL;GRAY |
| A84N3624FSLP | 制造商:Pentair Technical Products / Hoffman 功能描述:Lrg Type1 Freestand Enc Gray, 84.00x36.00x24.00, Steel |
| A84N7218FSLP | 制造商:HOFFMAN ENCLOSURES 功能描述:LARGE TYPE 1 ENCLOSURE;84.00X72.00X18.00;STEEL;GRAY |
| A84N7224FSLP | 制造商:HOFFMAN ENCLOSURES 功能描述:LARGE TYPE 1 ENCLOSURE;84.00X72.00X24.00;STEEL;GRAY |
| A84PM40 | 制造商:Pentair Technical Products / Hoffman 功能描述:Panel 72.00x33.75 fits 84' hi White, fits 84x 1 Bay, Steel |
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