参数资料
型号: MC34717EPR2
厂商: Freescale Semiconductor
文件页数: 2/28页
文件大小: 0K
描述: IC CONVERTER DDR 26QFN
标准包装: 2,500
应用: 转换器,DDR
输入电压: 3 V ~ 6 V
输出数: 2
输出电压: 0.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 26-VFQFN 裸露焊盘
供应商设备封装: 26-QFN-EP(5x5)
包装: 带卷 (TR)
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
SD
PG
M1
System
Reset
Thermal
Monitoring
V BG
FREQ
Oscillator
F SW
I SENSE2
Buck
Control
Logic
I LIM2
System
Control
Bandgap
Regulator
Discharge
Internal
Voltage
VDDI
I SENSE1
Current
Monitoring
I LIM1
Regulator
VIN
ILIM1
ILIM2
BOOT1
PVIN1
M4
M2
V IN
M3
V IN
M6
BOOT2
PVIN2
SW1
I SENSE
Gate
Driver
F SW
F SW
Gate
Driver
I SENSE
SW2
M5
M7
PGND1
COMP1
INV1
Error
Amplifier
PWM
Comparator
Ramp
Generator
V BG
PWM
Comparator
Ramp
Generator
Reference
Selection
Error
Amplifier
PGND2
COMP2
INV2
VOUT1
M8
Discharge
V BG
Discharge
M9
VOUT2
GND
CHANNEL 1
CHANNEL 2
VREFIN
Figure 2. 34717 Simplified Internal Block Diagram
34717
Analog Integrated Circuit Device Data
2
Freescale Semiconductor
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