参数资料
型号: A8698ELJTR-T
厂商: Allegro Microsystems Inc
文件页数: 10/12页
文件大小: 0K
描述: IC REG BUCK ADJ 3A 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: 0.8 V ~ 20 V
输入电压: 8 V ~ 25 V
PWM 型: 电流模式
电流 - 输出: 3A
同步整流器:
工作温度: -40°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
产品目录页面: 1142 (CN2011-ZH PDF)
其它名称: 620-1177-6
A8698
Wide Input Voltage 3.0 A Step Down Regulator
Application Circuit
Efficiency versus Load Current
Stabilized with low ESR capacitor
Circuit with Low ESR Capacitor
f SW = 500 kHz nominal at 12 V
100
90
CBOOT
0 .01 μ F
V IN
12 to 16.4 V
80
70
BOOT
VIN
CIN
22 μ F
L
10 μ H
V OUT
5 V /2 . 5 A
60
50
40
RTSET
16.4 k Ω
ENB
TSET
GND
A8698
LX
VBIAS
FB
R3
1 M Ω
D1
COUT
120 μ F
18 m Ω
30
20
R1
6 .34 k Ω
10
0
Ratings:
L: CDRH104R-100NC
COUT: EEFUD0J121R
100 pF
R2
1.2 k Ω
0
0.5
1.0
1.5
2.0
2.5
3.0
CIN: ECJ-4YB1E226M
Load Current (A)
Evaluation Board
Silkscreen Layer
J1
8 to 24 Vdc
Bottom Layer
C1.2
C1.3
C1.1
J2
GND
C3
C2
J4
GND
R4
BOOT
ENB
A8698
VIN
LX
L1
C4.1
C4.2
J3
3.3 V / 3.0 A
R3
EN
TSET
GND
VBIAS
FB
D1
C4.3
V OUT
PAD
R2
Top and Silkscreen Layers
R1
P1
R5
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
10
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