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參數(shù)資料
| 型號(hào)： | A8499SLJTR-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | High Voltage Step-Down Regulator |
| 中文描述： | 高電壓降壓穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 276K |
| 代理商： | A8499SLJTR-T |
A8499-DS
High Voltage Step-Down
Regulator
A8499
8 to 50 V input range
Integrated DMOS switch
Adjustable fixed off-time
Highly efficient
Adjustable 1.2 to 24 V output
Package LJ, 8-pin SOIC
with exposed thermal pad
FEATURES
Printer power supplies
Consumer equipment power supplies
APPLICATIONS
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
).
VIN
LX
BOOT
ENB
TSET
GND
VBIAS
FB
+42 V
220 μF
10 V
ESR
VOUT
3.3 V / 1.2 A
COUT
17.8 k
Ω
R1
L1
D1
R2
10.2 k
Ω
0.22 μF
0.01 μF
CBOOT
C3
100 μF
50 V
C3
RTSET
121 k
Ω
47 μH
A8499
Efficiency vs. Output Current
70.0
72.0
74.0
76.0
78.0
80.0
82.0
84.0
86.0
88.0
90.0
0
200
400
600
800
1000
1200
1400
I
OUT
(mA)
E
3.3
5
V
OUT
(V)
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.
TYPICAL APPLICATION
Approximate Scale 1:1
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PDF描述 |
|---|---|
| A8499 | High Voltage Step-Down Regulator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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