参数资料
型号: MAX8621YETG+T
厂商: Maxim Integrated Products
文件页数: 15/18页
文件大小: 0K
描述: IC PMIC W/DC-DC SUP 24-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 手持/移动设备
电源电压: 2.6 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 带卷 (TR)
Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
INPUT
2.6V TO 5.5V
C3
4.7 μ F
IN3
IN2
C2
4.7 μ F
UVLO
IN
REF
INP
LDO1
OUT
14k Ω
OUT1
C5
4.7 μ F
EN
C4
REFBP
9-BIT SEL GND
0.01 μ F
GND
REF
RESET
RESET
INPUT
DR
1.3 Ω , 200mA
IN
INP
IN1
2.6V TO 5.5V
C1
ENDR
N
PGND2
REF
EN
STEP-DOWN
DC-DC (1, BUCK1)
LX
PGND
FB
IN1
P
N
LX1
R1
150k Ω
PGND1
FB1
L1
2.2 μ H
C6
150pF
10 μ F
BUCK1
C7
2.2 μ F
R2
IN
INP
115k Ω
C11
2.2 μ F
OUT3
OUT
INP
LDO3
IN
REF
EN
REF
EN
STEP-DOWN
DC-DC (2, BUCK2)
LX
PGND
FB
P
N
LX2
R3
150k Ω
PGND2
FB2
L2
2.2 μ H
C8
150pF
BUCK2
C9
2.2 μ F
R4
EN3
GND 9-BIT SEL
IN
INP
OUT
OUT2
75k Ω
C10
C12
OUT4
OUT
INP
IN
REF
LDO2
4.7 μ F
2.2 μ F
EN
LDO4
REF
9-BIT SEL GND
EN4
EN
GND 9-BIT SEL
800k Ω
EN2
PWRON
VOLTAGE
SELECTOR
SEL1
SEL2
800k Ω
ON/OFF CONTROL
THERMAL
SHUTDOWN
MAX8621Y
MAX8621Z
Figure 3. Functional Diagram and Typical Application Schematic
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15
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