MC34702EK View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
Manufacturer
MC34702EK Datasheet PDF : 38 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 = 3.3 V 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 Undervoltage Lockout (VBST rising)
VBST_UVLO
5.5
–
6.5
V
VBST Undervoltage Lockout Hysterisis
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)
I VOUT = 15 mA to 3.0 A. Includes Load Regulation Error
IIN1
IIN2
VDDI
IDDI
VINV
–
10
–
mA
–
100
–
µA
2.9
–
3.3
V
–
–
-10
mA
V
0.784
0.800
0.816
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 = 2.8 V to 6.0 V, I VOUT = 15 mA to 3.0 A
Buck Converter Load Regulation (7), (8)
VIN1 = VIN2 = 2.8 V to 6.0 V, I VOUT = 15 mA to 3.0 A
VMVO
–
1.0
–
%
VMP
5.9
7.0
7.9
%
VMN
-7.9
7.0
-5.9
%
REGLNVO
-1.0
–
%
1.0
REGLDVO
-1.0
–
%
1.0
VOUT Input Leakage Current
VOUT = 5.25 V
INV Input Leakage Current
INV = 0.8 V
IVOUTLK
INVLEAK
–
3.5
-1.0
mA
–
1.0
µA
Notes
7. Design information only. This parameter is not production tested.
8. VOUT refers to load current on output switcher.
Analog Integrated Circuit Device Data
Freescale Semiconductor
34702
7
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