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MCZ34702EWR2 데이터시트(PDF) 9 Page - Freescale Semiconductor, Inc

부품명 MCZ34702EWR2
상세설명  3.0A Switch-Mode Power Supply with Linear Regulator
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34702
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
ERROR AMPLIFIER (BUCK CONVERTER)
Input Impedance(11)
ROUT
150
Output Impedance(11)
AVOL
80
dB
DC Open Loop Gain(11)
GBW
35
MHz
Gain Bandwidth Product(11)
SR
200
V/
µs
Slew Rate(11)
VEA_OH
–2.0
V
Output Voltage – High Level
VIN1 > 3.3V, IOEA = -1.0mA(11), (12)
VEA_OL
–0.4
V
Output Voltage – Low Level
IOEA = -1.0 mA(11), (12)
VSCRAMP
–0.5
V
Oscillator Ramp(11)
VSCRAMP
–0.5
V
OSCILLATOR
CLKSYN Pin (open) Low Level Output Voltage
IOL = +1.0mA(13)
VOSC_OL
––
0.4
V
CLKSYN Pin (open) High Level Output Voltage
IOH = -1.0mA(14)
VOSC_OH
VDDI
-0.4 V
V
CLKSYN Pin (grounded) Input Voltage Threshold
VOSC_IH
1.2
2.0
V
CLKSYN Pin Pullup Resistance
RPU
60
240
k
Frequency Adjusting Reference Voltage
VFREQ
–1.26–
V
BOOST REGULATOR
Regulator Output Voltage
IBST = 20mA, VIN1 = V
IN2 = 2.8V to 6.0V
VBST
7.3
7.7
8.3
V
Power MOSFET Q5 RDS(ON)(11)
IBD = 500mA, TA = 25°C
RDS(ON)
650
1000
m
Regulator Recommended Output Capacitor
CBST
10
µF
Regulator Recommended Output Capacitor Maximum ESR
ESRCBST
100
m
Notes
11.
Design information only. This parameter is not production tested.
12.
IOEA Refers to Error Amplifier Output Current.
13.
IOL Refers to IO Low Level Threshold Voltage Current
14.
IOH Refers to IO High Level Threshold Voltage Current
Table 3.
Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C TA 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


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