参数资料
型号: MAX1545ETL+T
厂商: Maxim Integrated Products
文件页数: 42/43页
文件大小: 0K
描述: IC QUICK-PWM DUAL-PHASE 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: Quick-PWM™
应用: 控制器,Intel Pentium? IV
输入电压: 2 V ~ 28 V
输出数: 1
输出电压: 0.6 V ~ 1.85 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 带卷 (TR)
Dual-Phase, Quick-PWM Controllers for
Programmable CPU Core Power Supplies
5V BIAS
C10
SUPPLY
R19
10 Ω
1 μ F
C11
0.22 μ F
D2
V CC
POL
V DD
V+
D BST4
C IN
INPUT*
7V TO 24V
OUTPUT
REF
(MASTER)
1N4148
C COMP2 R COMP2
270pF 20k Ω
R24
200k Ω
C14
100pF
R25
49.9k Ω
COMP
ILIM
U3
MAX1980
BST
DH
LX
DL
PGND
GND
C BST4
0.22 μ F
R20
N H4
N L4
L4
R SENSE4
1.5m Ω
OUTPUT
C OUT
100 Ω
FLOAT
(300kHz)
T ON
LIMIT
CS+
CS-
C12
1000pF
R21
100 Ω
DD
TRIG
CM+
R22
100 Ω
CONNECT TO
MAX1519/MAX1545
(SEE FIGURE 12a)
CM-
C13
1000pF
R23
100 Ω
CONNECT TO
MAX1519/MAX1545
(SEE FIGURE 12a)
POWER GROUND
*LOWER INPUT VOLTAGES
ANALOG GROUND
(MASTER)
ANALOG GROUND
(SLAVE)
Figure 12c. Standard 4-Phase Desktop 4 Application Circuit (4th Phase—MAX1980 Slave)
REQUIRE ADDITIONAL
INPUT CAPACITANCE.
42
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