MC34701 查看數據表（PDF） - Freescale Semiconductor
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MC34701 Datasheet PDF : 39 Pages
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
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
GENERAL
Operating Voltage Range (VIN1, VIN2)
VIN
2.8
–
6.0
V
Start-up Voltage Threshold (Boost Switching)
VST
–
1.6
1.8
V
VBST Under-voltage Lockout (VBST rising)
VBST_UVLO
5.5
–
6.5
V
VBST Under-voltage Lockout Hysteresis
VBST_UVLO_HYS
0.5
–
1.5
V
Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded
IIN
Outputs
–
60
–
mA
VIN1 Pin Input Supply Current (EN1 = EN2 = 0)
VIN2 Pin Input Leakage Current (EN1 = EN2 = 0)
VDDI Internal Supply Voltage
VDDI Maximum Output Current (Externally Loaded)
BUCK CONVERTER
Buck Converter Feedback Voltage(7), (8)
IVOUT = 15mA to 1.5A. Includes Load Regulation Error
Buck Converter Voltage Margining Step Size
Buck Converter Voltage Margining Highest Positive Value
Buck Converter Voltage Margining Lowest Negative Value
Buck Converter Line Regulation(7), (8)
VIN1 = VIN2 = 2.8V to 6.0V, IVOUT = 15mA to 1.5A
Buck Converter Load Regulation(7), (8)
VIN1 = VIN2 = 2.8V to 6.0V, IVOUT = 15mA to 1.5A
IIN1
IIN2
VDDI
IDDI
–
10
–
mA
–
100
–
µA
2.9
–
3.3
V
–
–
-10
mA
VINV
VMVO
VMP
VMN
REGLNVO
REGLDVO
V
0.784
0.800
0.816
–
1.0
–
%
5.9
–
7.9
%
-7.9
–
-5.9
%
%
-1.0
–
1.0
%
-1.0
–
1.0
VOUT Input Leakage Current
VOUT = 5.25V
IINVOUT
–
3.5
mA
–
INV Input Leakage Current
INV = 0.8V
Notes
7. Design information only. This parameter is not production tested.
8. IVOUT refers to load current on output switcher.
IININV
-1.0
–
1.0
µA
Analog Integrated Circuit Device Data
Freescale Semiconductor
34701
7
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