34701_07 Datasheet, PDF (7/38 Pages) Freescale Semiconductor, Inc – 1.5 A Switch-Mode Power Supply with Linear Regulator

ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions -40°C ≤ T_A ≤ 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)
V_IN
2.8
–
6.0
V
Start-Up Voltage Threshold (Boost Switching)
V_ST
–
1.6
1.8
V
VBST Undervoltage Lockout (VBST rising)
V_{BST_UVLO}
5.5
–
6.5
V
VBST Undervoltage Lockout Hysteresis
V_{BST_UVLO_HYS}
0.5
–
1.5
V
Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded
I_IN
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 = 15 mA to 1.5 A. 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 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
Buck Converter Load Regulation ^{(7), (8)}
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
I_IN1
I_IN2
V_DDI
I_DDI
–
10
–
mA
–
100
–
µA
2.9
–
3.3
V
–
–
-10
mA
V_INV
V_MVO
V_MP
V_MN
REG_LNVO
REG_LDVO
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 = 5.25 V
I_INVOUT
–
3.5
mA
–
INV Input Leakage Current
INV = 0.8 V
Notes
7. Design information only. This parameter is not production tested.
8. IVOUT refers to load current on output switcher.
I_ININV
-1.0
–
1.0
µA
Analog Integrated Circuit Device Data
Freescale Semiconductor
34701
7