参数资料
型号: MC34702EK
厂商: Freescale Semiconductor
文件页数: 9/39页
文件大小: 0K
描述: IC POWER SUPPLY MCU 3A 32-SOIC
标准包装: 42
应用: 电源
电流 - 电源: 60mA
电源电压: 2.8 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: 管件
配用: KIT33702DWBEVB-ND - KIT FEATURES THE MC34701
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 OUT
AVOL
150
80
?
dB
DC Open Loop Gain
GBW
35
MHz
Gain Bandwidth Product (11)
SR
200
V/ ? s
Slew Rate
V EA_OH
V
2.0
Output Voltage – High Level
V EA_OL
V
VIN1 > 3.3V, IOEA = -1.0mA (11) , (12)
0.4
Output Voltage – Low Level
V SCRAMP
0.5
V
IOEA = -1.0
mA (11) , (12)
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
VDDI
V
IOH = -1.0mA
- 0.4 V
CLKSYN Pin (grounded) Input Voltage Threshold
CLKSYN Pin Pullup Resistance
Frequency Adjusting Reference Voltage
V OSC_IH
RPU
V FREQ
1.2
60
1.26
2.0
240
V
k ?
V
BOOST REGULATOR
Regulator Output Voltage
V BST
V
IBST = 20mA, VIN1 = V IN2 = 2.8V to 6.0V
Power MOSFET Q5 RDS(ON) (11)
IBD = 500mA, T A = 25°C
R DS(ON)
7.3
7.7
650
8.3
1000
m ?
Regulator Recommended Output Capacitor
Regulator Recommended Output Capacitor Maximum ESR
CBST
ESRCBST
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 IO Low Level Threshold Voltage Current
IOH Refers to IO High Level Threshold Voltage Current
34702
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
9
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