MAX15039_11 Datasheet, PDF (3/19 Pages) Maxim Integrated Products – 6A, 2MHz Step-Down Regulator with Integrated Switches Open-Drain, Power-Good Output

6A, 2MHz Step-Down Regulator
with Integrated Switches
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = V_EN = 5V, C_VDD = 2.2μF, T_A = T_J = -40°C to +85°C, typical values are at T_A = +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
V_IN = 2.9V to 5V, V_FB = 0.5V, V_REFIN = 0.6V
V_IN = 2.9V to 5V, V_FB = 0.7V, V_REFIN = 0.6V
V_FB step from 0.5V to 0.7V in 10ns
From COMP to GND, V_IN = 3.3V, V_COMP = 100mV,
V_EN = V_SS = 0V
MIN TYP MAX UNITS
2
V
0.7
V
1.6
V/μs
6
Ω
Internally Preset Output Voltage
Accuracy
V_REFIN = V_SS, 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
V_DD = 2.9V to 3.5V
0
V_DD - 2
V
Error-Amplifier Maximum Output
Current
FB Input Bias Current
CTL_
CTL_ Input Bias Current
CTL_ Input Threshold
V_COMP = 1V,
V_REFIN = 0.6V
V_FB = 0.7V, sinking
V_FB = 0.5V, sourcing
CTL1 = CTL2 = GND
V_{CTL_} = 0V
V_{CTL_} = V_DD
Low, falling
Open
High, rising
1
mA
-1
-125
nA
-7.2
μA
7.2
0.8
V_DD/2
V
V_DD -
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
V_REFIN = 0.6V
V_REFIN = 0.9V, FB shorted to COMP
I_LX = -2A
I_LX = 2A
V_IN = V_BST - V_LX = 3.3V
V_IN = V_BST - V_LX = 5V
V_IN = 3.3V
V_IN = 5V
High-side sourcing
Low-side sinking
Zero-crossing current threshold, MODE = V_DD
V_IN = 5V, V_EN = 0V
V_LX = 0V
V_LX = 5V
50
mV
-185
nA
-4.5
+4.5
mV
35
mΩ
26
45
25
mΩ
20
35
9
11
11
A
0.2
-0.01
μA
-0.01
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