参数资料
型号: AP1534SG-13
厂商: Diodes Inc
文件页数: 7/9页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 8SOIC
产品变化通告: Wire Change 18/June/2008
Copper Bond Wire Change 13/Jan/2012
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 18 V
输入电压: 3.6 V ~ 18 V
频率 - 开关: 300kHz
电流 - 输出: 2A
同步整流器:
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 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOP
AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
Functional Description (cont.)
PCB Layout Guide
If you need low T C & T J or large P D (Power Dissipation), The
dual SW pins (5 & 6) and V SS pins(7 & 8)on the
SO-8 package are internally connected to die pad, The
evaluation board should be allowed for maximum copper
area at output (SW) pins.
Bottom Side Layout Guide
1.
2.
3.
4.
Connect FB circuits (R A , R B , C C ) as closely as
possible and keep away from inductor flux for pure
V FB .
Connect C VCC to Vcc and Vss pin as closely as
possible to get good power filter effect.
Connect R OCSET to Vcc and OCSET pin as closely as
possible.
Connect ground side of the C IN & D1 & C OUT as closely
as possible and use ground plane for best performance.
Connect FB circuits closer and keep away from L1.
Use vias to conduct the heat into the backside of PCB
layer. The heat sink at output (SW) pins should be
Top Side Layout Guide
allowed for maximum solder-painted area.
V IN
Vcc
Output
L1
V OUT
+
C2
R4
C7
Option
AP1534
OCSET
FB
C1
Option
R1
+
C8
+
C4
-
+ C3
R5
EN
V SS
D1
R2
-
-
-
C6
Layout numbering comparison
AP1534
Document number: DS31314 Rev. 6 - 2
7 of 9
April 2011
? Diodes Incorporated
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