参数资料
型号: DC1453A
厂商: Linear Technology
文件页数: 20/24页
文件大小: 0K
描述: BOARD EVAL LTM4619
软件下载: LTM4619 Spice Model
设计资源: DC1453A Design Files
DC1453A Schematic
标准包装: 1
系列: LTM®, uModule®
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.8V,3.3V
电流 - 输出: 4A
输入电压: 4.5 ~ 28 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LTM4619
相关产品: LTM4619IV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4619EV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4619
TYPICAL APPLICATIONS
CLOCK SYNC, 0° PHASE
V IN
6V TO 26.5V
+
C IN1
330μF
V OUT1
5V/4A
+
C IN2
10μF
2x
C2
220μF
C3
22μF
R3
11.5k
C10
22pF
C1
0.1μF
MODE/PLLIN INTV CC
V IN FREQ/PLLFLTR
V FB1 V FB2
COMP1 COMP2
V OUT1 LTM4619 V OUT2
TK/SS1 TK/SS2
RUN1 RUN2
C11
22pF
V OUT1
R1
60.4k
R4
19.1k
C4
22μF
+
V OUT2
3.3V/4A
C5
220μF
PGOOD
EXTV CC
R9
143k
C3
0.1μF
2 PHASE OSCILLATOR
V + OUT1
GND LTC6908-2 OUT2
SET MOD
ON/OFF
SGND PGND
CLOCK SYNC, 90° PHASE
R2
19.1k
V IN
MODE/PLLIN INTV CC
FREQ/PLLFLTR
C12
22pF
V OUT3
2.5V/4A
+
C9
220μF
C8
22μF
R7
28k
V OUT1
R10
60.4k
V FB1
COMP1
V OUT1
TK/SS1
RUN1
LTM4619
V FB2
COMP2
V OUT2
TK/SS2
RUN2
C13
22pF
V OUT1
R5
60.4k
R8
48.7k
C6
22μF
+
V OUT4
1.8V/4A
C7
220μF
PGOOD
EXTV CC
R11
28k
SGND
PGND
4619 F21
R6
48.7k
Figure 21. 4-Phase, Four Outputs (5V, 3.3V, 2.5V and 1.8V) with Tracking
4619fb
20
For more information www.linear.com/LTM4619
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