MAX15038ETG View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX15038ETG Datasheet PDF : 19 Pages
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4A, 2MHz Step-Down Regulator
with Integrated Switches
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VEN = 5V, CVDD = 2.2μF, TA = TJ = -40°C to +85°C, typical values are at TA = +25°C, circuit of Figure 1, unless otherwise
noted.) (Note 3)
PARAMETER
ERROR AMPLIFIER
COMP Clamp Voltage, High
COMP Clamp Voltage, Low
COMP Slew Rate
COMP Shutdown Resistance
CONDITIONS
VIN = 2.9V to 5V, VFB = 0.5V, VREFIN = 0.6V
VIN = 2.9V to 5V, VFB = 0.7V, VREFIN = 0.6V
VFB step from 0.5V to 0.7V in 10ns
From COMP to GND, VIN = 3.3V, VCOMP = 100mV,
VEN = VSS = 0V
MIN TYP MAX UNITS
2
V
0.7
V
1.6
V/μs
6
Ω
Internally Preset Output Voltage
Accuracy
VREFIN = VSS, MODE = GND
-1
+1
%
FB Set Point Value
FB to OUT Resistor
Open-Loop Voltage Gain
CTL1 = CTL2 = GND, MODE = GND
All VID settings except CTL1 = CTL2 = GND
0.594 0.6 0.606
V
5.5
8
10.5
kΩ
115
dB
Error-Amplifier Unity-Gain
Bandwidth
28
MHz
Error-Amplifier and REFIN
Common-Mode Input Range
VDD = 2.9V to 3.5V
0
VDD - 2
V
Error-Amplifier Maximum Output
Current
FB Input Bias Current
CTL_
CTL_ Input Bias Current
CTL_ Input Threshold
VCOMP = 1V,
VREFIN = 0.6V
VFB = 0.7V, sinking
VFB = 0.5V, sourcing
CTL1 = CTL2 = GND
VCTL_ = 0V
VCTL_ = VDD
Low, falling
Open
High, rising
1
mA
-1
-125
nA
-7.2
μA
+7.2
0.8
VDD/2
V
VDD -
0.8
Hysteresis
REFIN
REFIN Input Bias Current
REFIN Offset Voltage
LX (All Pins Combined)
LX On-Resistance, High-Side
LX On-Resistance, Low-Side
LX Current-Limit Threshold
LX Leakage Current
All VID transitions
VREFIN = 0.6V
VREFIN = 0.9V, FB shorted to COMP
ILX = -2A
VIN = VBST - VLX = 3.3V
VIN = VBST - VLX = 5V
ILX = 2A
VIN = 3.3V
VIN = 5V
High-side sourcing
Low-side sinking
Zero-crossing current threshold, MODE = VDD
VIN = 5V, VEN = 0V
VLX = 0V
VLX = 5V
50
mV
-185
nA
-4.5
+4.5
mV
42
mΩ
31
54
30
mΩ
24
42
5.7
7
7
A
0.2
-0.01
μA
+0.01
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