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MC34701EK Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc

Part No. MC34701EK
Description  1.5 A Switch-Mode Power Supply with Linear Regulator
Download  38 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34701EK Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
6
Freescale Semiconductor
34701
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 Hysteresis
VBST_UVLO_HYS
0.5–1.5
V
Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded
Outputs
IIN
–60
mA
VIN1 Terminal Input Supply Current (EN1 = EN2 = 0)
IIN1
–10
mA
VIN2 Terminal Input Leakage Current (EN1 = EN2 = 0)
IIN2
100
µA
VDDI Internal Supply Voltage
VDDI
2.9–3.3
V
VDDI Maximum Output Current (Externally Loaded)
IDDI
––
-10
mA
Buck Converter
Buck Converter Feedback Voltage (6), (7)
IVOUT = 15 mA to 1.5 A. Includes Load Regulation Error
VINV
0.784
0.800
0.816
V
Buck Converter Voltage Margining Step Size
VMVO
–1.0
%
Buck Converter Voltage Margining Highest Positive Value
VMP
5.9–7.9
%
Buck Converter Voltage Margining Lowest Negative Value
VMN
-7.9–-5.9
%
Buck Converter Line Regulation (6), (7)
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
REGLNVO
-1.0
1.0
%
Buck Converter Load Regulation (6), (7)
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
REGLDVO
-1.0
1.0
%
VOUT Input Leakage Current
VOUT = 5.25 V
IINVOUT
–3.5
mA
INV Input Leakage Current
INV = 0.8 V
IININV
-1.0
1.0
µA
Notes
6.
Design information only. This parameter is not production tested.
7.
IVOUT refers to load current on output switcher.


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