Maximum Operating Input Voltage 1.5V ≤ V
IN
≤ 6VStep-Down Converters (Buck)
Part Number
V
IN
(Min) (V)
V
IN
(Max) (V)
I
OUT
(Max) (A)
I
Q
(Typ) (μA)
V
FB
(Typ) (V)
f
SW
(MHz)
Power Good
Light-Load Efciency
Constant-On-Time (COT)
100% Duty Cycle
Industrial
Package
Notes
MP28210 2 5.5 1 0.5 - 1.5
ü ü ü ü
-
CSP-12
(1.2x1.6)
P2P with the MP28310
MP2141N 2.3 5.5 1 11 0.6 2.2
ü ü ü ü
-
SOT563
(1.6x1.6)
Output discharge, power good only for fixed
V
OUT
version
MP2148 2.3 5.5 1 10 0.6 2.2
ü ü ü ü
- QFN-6 (1x1.5)
High switching frequency, ultra-small package
MP21148 2.3 5.5 1 500 0.6 2.4
ü
-
ü ü
- QFN-6 (1x1.5)
FCCM, low ripple across entire load range
MP2149 2.7 6
1
(2x)
45 0.608 1 -
ü
-
ü
- TSOT23-8
Dual 1A output current
MP2151 2.5 5.5 1 25 0.6 1.1
ü ü ü ü
-
SOT563
(1.6x1.6),
UTQFN
(1.2x1.6)
1% V
FB
accuracy, output discharge, adj. and fixed
V
OUT
versions, P2P with the MP2152/3
MP2181 2.5 5.5 1 21 0.6 1.2
ü ü ü ü
-
SOT583
(1.6x2.1)
External soft start, 1% V
FB
accuracy, output
discharge, P2P with the MP2182/3/4
MP2141Q-18 2.3 5.5 1.5 20 - 2.2 -
ü ü ü
-
SOT563
(1.6x1.6)
Fixed 0.61V/1.8V output voltage, output discharge,
VSEL for PFM/PWM
MP2152 2.5 5.5 2 25 0.6 1.1
ü ü ü ü
-
SOT563
(1.6x1.6),
UTQFN
(1.2x1.6)
1% V
FB
accuracy, output discharge, adj. and fixed
V
OUT
versions, P2P with the MP2151/3
MP2172C 2.38 5.5 2 450 0.6 1.1 - -
ü ü
-
UTQFN
(1.2x1.6)
FCCM, 1% V
FB
accuracy, output discharge
MP2192C 2.5 5.5 2 450 0.6 1.1 - -
ü ü
-
WLCSP-6
(1.23x0.85)
FCCM, 1% V
FB
accuracy, fast output discharge,
P2P with the MP2193
MP2182 2.5 5.5 2 21 0.6 1.2
ü ü ü ü
-
SOT583
(1.6x2.1)
External soft start, 1% V
FB
accuracy, output
discharge, P2P with the MP2182/3/4
MP2122A 2.7 6
2
(2x)
45 0.608 1 -
ü
-
ü
- TSOT23-8
Dual 2A output current
MP2166
MPQ2166
2.7 6
2
(2x)
60 0.6 3
ü ü
-
ü ü
QFN-18 (2x3),
QFN-18
(2.5x3.5)
Dual-channel, external soft start
MP2153 2.5 5.5 3 25 0.6 1.1
ü ü ü ü
-
SOT563
(1.6x1.6),
UTQFN
(1.2x1.6)
1% V
FB
accuracy, output discharge, adj. and fixed
V
OUT
versions, P2P with the MP2151/2
MP2193 2.5 5.5 3 450 0.6 1.1 -
ü ü ü
-
WLCSP-6
(1.23x0.85)
1% V
FB
accuracy, output discharge, adj. output,
P2P with the MP2192C
MP2164 2.5 5.5 3 50 0.6 2.3
ü ü ü ü
- QFN-12 (2x2)
Forced PWM and auto-PFM mode
SWITCHING REGULATORS | DC/DC POWER CONVERSION
S
N
Part Number
V
IN
(Min) (V)
V
IN
(Max) (V)
I
OUT
(Max) (A)
I
Q
(Typ) (μA)
V
FB
(Typ) (V)
f
SW
(MHz)
Power Good
Light-Load Efciency
Constant-On-Time (COT)
100% Duty Cycle
Industrial
Package
Notes
S
DC/DC POWER CONVERSION
MonolithicPower.com 5
Selector Guide
