参数资料
型号: MCZ34701EWR2
厂商: Freescale Semiconductor
文件页数: 9/39页
文件大小: 0K
描述: IC PWR SUPPLY 1.5A 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)
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C ? T A ? 85 ? C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using
the typical application circuit (see Figure 33 ), unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER (BUCK CONVERTER)
Input Impedance (11)
Output Impedance (11)
R IN
R OUT
500
150
k ?
?
DC Open Loop Gain
A VOL
80
dB
Slew Rate
Gain Bandwidth Product (11)
G BW
v SR
35
200
MHz
V/ ? s
Output Voltage – High Level
V EA_OH
V
VIN1 > 3.3V, IOEA = -1.0mA (11) , (12)
Output Voltage – Low Level
IOEA = -1.0 mA (11) , (12)
V EA_OL
2.0
0.4
V
Oscillator Ramp (11)
V SCRAMP
0.5
V
OSCILLATOR
CLKSYN Pin (open) Low Level Output Voltage
V OSC_OL
0.4
V
IOL =
+1.0mA (13)
CLKSYN Pin (open) High Level Output Voltage
V OSC_OH
V DDI
V
IOH = -1.0mA
-0.4V
CLKSYN Pin (grounded) Input Voltage Threshold
CLKSYN Pin Pull-up Resistance
Frequency Adjusting Reference Voltage
V OSC_IH
R PU
V FREQ
1.2
60
1.26
2.0
240
V
k ?
V
BOOST REGULATOR
Regulator Output Voltage
V BST
V
IBST = 20mA, VIN1 = VIN2 = 2.8V to 6.0V
7.3
7.7
8.3
Power MOSFET Q5
RDS(ON) (11)
R DS(ON)Q5
m ?
IBD = 500mA, T A = 25°C
650
1000
Regulator Recommended Output Capacitor
Regulator Recommended Output Capacitor Maximum ESR
C BST
ESRC BST
10
100
? F
m ?
Notes
11.
12.
13.
14.
Design information only. This parameter is not production tested.
IOEA Refers to Error Amplifier Output Current.
IOL Refers to I/O Low Level
IOH Refers to I/O High Level
34701
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
9
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