参数资料
型号: MCZ34702EWR2
厂商: Freescale Semiconductor
文件页数: 2/39页
文件大小: 0K
描述: IC PWR SUPPLY 3A SW 32-SOIC
标准包装: 1,000
应用: 控制器,电源 QUICC? I、II
输入电压: 2.8 V ~ 6 V
输出数: 2
输出电压: 7.75V,0.8 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-SOIC(0.295",7.50mm 宽)
供应商设备封装: 32-SOIC
包装: 带卷 (TR)
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VIN1
VIN
VDDI
Internal
VDDI
VBST
8.0 V
VBST
Supply
VDDI
VBST
VBD
VREF
Power
Enable
VDDI
VDDI
Linear
Regulator
To Reset
Control
LDRV
CS
Q5
Boost
Control
VREF
VREF
Bandgap
Voltage
Reference
VDDI
VREF
Control
ILim
LDO
LFB
LCMP
EN1
EN2
Power
Sequencing
VLDO
Power
Down
Power
Seq
UVLO
Q4
VBST
RST
Q6
Reset
Control
Reset
Voltage Margining
Watchdog Timer
VOUT
VBST
BOOT
POR
SysCon
Current Limit
RT
Timer
INV
LFB
I 2 C
Control
VDDI
VIN2
(2)
Buck
HS
Q1
I 2 C
Control
Thermal
Limit
SysCon
SoftSt
Buck
Control
Logic
and
LS
Driver
SW
(2)
ADDR
I 2 C
Q2
SDA
Interface
PGND
(2)
SCL
Switcher
Oscillator
300 kHz
PWM
Comp
+
-
Error
Amp
+
-
0.8 V
To Reset
Control
INV
CLKSEL
CLKSYN FREQ
Ramp
Gen.
GND (4)
Power
Seq
VOUT
Q3
VOUT
Figure 2. 34702 Simplified Internal Block Diagram
34702
Analog Integrated Circuit Device Data ?
2
Freescale Semiconductor
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