MP2214 – 16V, 4A, 600kHz SYNCHRONOUS STEP-DOWN CONVERTER
ELECTRICAL CHARACTERISTICS (4)
VCC = 3.6V, VIN=12V, TA = +25°C, unless otherwise noted.
Parameters
Condition
Min
Typ
Max Units
V
EN = VCC
VCC Supply Current
750
μA
μA
V
mV
μA
VFB = 0.85V
VEN = 0V, VCC= 6V
Rising Edge
VCC Shutdown Current
1
2.8
200
4
VCC Under Voltage Lockout Threshold
VCC Under Voltage Lockout Hysteresis
IN Shutdown Current
IN Under Voltage Lockout Threshold, Rising
Edge
2.95
2.95
VEN = 0V
2.85
V
IN Under Voltage Lockout Hysteresis
300
mV
V
TA = +25°C
0.780 0.800 0.820
Regulated FB Voltage
–40°C ≤ TA ≤ +85°C
VFB = 0.85V
0.772
-50
0.828
50
V
FB Input Current
nA
V
EN High Threshold
–40°C ≤ TA ≤ +85°C
–40°C ≤ TA ≤ +85°C
1.6
EN Low Threshold
0.4
10
V
Internal Soft-Start Time
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
120
80
µs
mΩ
mΩ
ISW = 300mA
ISW = –300mA
80
VEN = 0V; VIN = 12V
SW Leakage Current
–10
μA
VSW = 0V or 12V
BS Under Voltage Lockout Threshold
High-Side Switch Current Limit
Low-Side Switch Current Limit
Oscillator Frequency
1.8
7.5
3
V
A
Sourcing
Sinking
5.5
A
450
600
2
750
KHz
MHz
ns
Synch Frequency
Minimum On Time
50
90
150
Maximum Duty Cycle
%
Thermal Shutdown Threshold
Hysteresis = 20°C
°C
Note:
4) Production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
MP2214 Rev. 0.9
9/1/2010
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