MP2214 – 16V, 4A, 600kHz SYNCHRONOUS STEP-DOWN CONVERTER
ELECTRICAL CHARACTERISTICS
(4)
V
CC
= 3.6V, V
IN
=12V, T
A
= +25°C, unless otherwise noted.
Parameters
V
CC
Supply Current
V
CC
Shutdown Current
V
CC
Under Voltage Lockout Threshold
V
CC
Under Voltage Lockout Hysteresis
IN Shutdown Current
IN Under Voltage Lockout Threshold, Rising
Edge
IN Under Voltage Lockout Hysteresis
Regulated FB Voltage
FB Input Current
EN High Threshold
EN Low Threshold
Internal Soft-Start Time
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
SW Leakage Current
BS Under Voltage Lockout Threshold
High-Side Switch Current Limit
Low-Side Switch Current Limit
Oscillator Frequency
Synch Frequency
Minimum On Time
Maximum Duty Cycle
Thermal Shutdown Threshold
Condition
V
EN
= V
CC
V
FB
= 0.85V
V
EN
= 0V, V
CC
= 6V
Rising Edge
V
EN
= 0V
Min
Typ
750
1
2.8
200
4
2.85
T
A
= +25°C
–40°C
≤
T
A
≤
+85°C
V
FB
= 0.85V
–40°C
≤
T
A
≤
+85°C
–40°C
≤
T
A
≤
+85°C
I
SW
= 300mA
I
SW
= –300mA
V
EN
= 0V; V
IN
= 12V
V
SW
= 0V or 12V
Sourcing
Sinking
0.780
0.772
-50
1.6
300
0.800
2.95
Max
Units
μA
μA
V
mV
μA
V
mV
V
V
nA
V
V
µs
mΩ
mΩ
μA
V
A
A
KHz
MHz
ns
%
°C
2.95
0.820
0.828
50
0.4
120
80
80
–10
5.5
450
1.8
7.5
3
600
2
50
90
150
10
750
Hysteresis = 20°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
www.MonolithicPower.com
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3
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