参数资料
型号: LTM4603IV-1#PBF
厂商: Linear Technology
文件页数: 9/26页
文件大小: 0K
描述: IC DC/DC UMODULE 6A 118-LGA
产品培训模块: Power Module vs. Discrete DC to DC
软件下载: LTM4603-1 Spice Model
产品目录绘图: LTM Series_15x15x2.8
设计资源: LTM4603IV-1#PBF Footprint.bxl
特色产品: μModule Products
标准包装: 119
系列: µModule®
类型: 非隔离(POL)
输出数: 1
电压 - 输入(最小): 4.5V
电压 - 输入(最大): 20V
Voltage - Output 1: 0.6 ~ 5 V
电流 - 输出(最大): 6A
安装类型: 表面贴装
封装/外壳: 118-LGA
尺寸/尺寸: 0.59" L x 0.59" W x 0.11" H(15.0mm x 15.0mm x 2.8mm)
包装: 托盘
工作温度: -40°C ~ 85°C
效率: 93%
产品目录页面: 2711 (CN2011-ZH PDF)
LTM4603/LTM4603-1
SIMPLIFIED BLOCK DIAGRAM
UVLO
FUNCTION
V IN
R1
R2
V OUT_LCL
>1.9V = ON
<1V = OFF
MAX = 5V RUN
PGOOD
COMP
V OUT
1M
(50 , LTM4603-1)
5.1V
ZENER
1.5μF
+
C IN
V IN
4.5V TO 20V
60.4k
INTERNAL
COMP
SGND
MARG1
MARG0
POWER CONTROL
Q1
1μH
22μF
V OUT
1.5V
6A
R SET
40.2k
V FB
f SET
50k
50k
Q2
C OUT
+
33.2k
PGND
MPGM
TRACK/SS
10k
INTV CC
C SS
PLLIN
INTV CC
DRV CC
4.7μF
50k
10k
10k
10k
V OSNS–
V OSNS+
DIFFV OUT
NOT INCLUDED
IN THE LTM4603-1
V OSNS– = NC1
V OSNS+ = NC2
DIFFV OUT = NC3
4603 F01
Figure 1. Simplified LTM4603/LTM4603-1 Block Diagram
DECOUPLING REQUIREMENTS T A = 25°C, V IN = 12V. Use Figure 1 configuration.
SYMBOL
C IN
C OUT
PARAMETER
External Input Capacitor Requirement
(V IN = 4.5V to 20V, V OUT = 1.5V)
External Output Capacitor Requirement
(V IN = 4.5V to 20V, V OUT = 1.5V)
CONDITIONS
I OUT = 6A
I OUT = 6A
MIN
20
100
TYP
200
MAX
UNITS
μF
μF
4603fb
9
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