参数资料
型号: MAX8614AETD+T
厂商: Maxim Integrated Products
文件页数: 13/15页
文件大小: 0K
描述: IC DC-DC CONV DL CCD 14TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 转换器,CCD
输入电压: 3 V ~ 5.5 V
输出数: 2
输出电压: 最高可调至 24V,最低可调至 -10V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 带卷 (TR)
Dual-Output (+ and -) DC-DC
Converters for CCD
V BATT
(2.7V ~ 5V)
C4
22 μ F
V INV
13
D2
R3
187k ?
1%
V CC
1
ONBST
9 ONINV
2 FBN
LXN
14
L2
CMHSH5-21
V INV
C2 -7.5V AT 100mA
4.7 μ F
R4
30.9k ?
1%
REF
MAX8614A
MAX8614B
4.7 μ H
V BATT
C5
1.0 μ F
C6
0.22 μ F
3
4
AV CC
REF
PVP
12
L1
C3
1 μ F
R5
2.2 μ H
D1
FAULT
100k ?
V BST
6 FLT
LXP
10
CMHSH5-21
V BST
C1 +15V AT 50mA
2.2 μ F
R1
1.4M ?
1%
7
FBP
SEQ
8
R2
Figure 1. Typical Application Circuit
100k ?
1%
GND
5
PGND
11
It is important to connect the GND pin, the input
bypass-capacitor ground lead, and the output filter
capacitor ground lead to a single point (star ground
configuration) to minimize ground noise and improve
regulation. Also, minimize lead lengths to reduce stray
capacitance, trace resistance, and radiated noise, with
preference given to the feedback circuit, the ground
circuit, and LX_. Place feedback resistors R1 – R4 as
close to their respective feedback pins as possible.
Place the input bypass capacitor as close as possible
to AV CC and GND.
Chip Information
PROCESS: BiCMOS
______________________________________________________________________________________
13
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