MAX17017 Datasheet, PDF (9/31 Pages) Maxim Integrated Products – Quad-Output Controller for Low-Power Architecture

Quad-Output Controller for
Low-Power Architecture
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 (step-down), V_INLDO = 12V, V_INA = V_INBC = V_DD = V_CC = V_BYP = V_CSPA = V_CSNA = 5V, V_IND = 1.8V, V_SHDN =
V_ONA = V_ONB = V_ONC = V_OND = 5V, I_REF = I_LDO5 = I_OUTD = no load, FREQ = GND, UP/DN = V_CC, T_A = -40°C to +105°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
REGULATOR B (Internal 3A Step-Down Converter)
FBB Regulation Voltage
FBB Regulation Voltage (Overload)
FBB Line Regulation
V_FBB
I_LXB = 0A, 0% duty cycle (Note 2)
I_LXB = 0 to 2.5A , 0% duty cycle (Note 2)
LXB Peak Current Limit
I_PKB
REGULATOR C (Internal 5A Step-Down Converter)
FBC Regulation Voltage
I_LXC = 0A, 0% duty cycle (Note 2)
FBC Regulation Voltage (Overload)
V_FBC I_LXC = 0 to 4A, 0% duty cycle (Note 2)
FBC Line Regulation
LXC Peak Current Limit
I_PKC
REGULATOR D (Source/Sink Linear Regulator and VTTR Buffer)
IND Input Voltage Range
V_IND
IND Supply Current
REFIND Input Range
OND = V_CC
OUTD Output Voltage Range
V_OUTD
FBD Output Accuracy
V_FBD
V_FBD with respect to V_REFIND,
OUTD = FBD, I_OUTD = +50μA (source load)
V_FBD with respect to V_REFIND,
OUTD = FBD, I_OUTD = -50μA (sink load)
FBD Load Regulation
OUTD Linear Regulator Current
Limit
I_OUTD = ±1A
Source load
Sink load
Internal MOSFET On-Resistance
High-side on-resistance
Low-side on-resistance
VTTR Output Accuracy
REFIND to VTTR
I_VTTR = ±3mA
T_A = -40°C to +105°C
MIN TYP MAX
UNITS
0.742
0.715
6
2.7
0.766
V
0.766
V
12
mV
4.2
A
0.742
0.705
11
5.0
0.766
V
0.766
V
20
mV
6.5
A
1
2.8
V
70
μA
0.5
1.5
V
0.5
1.5
V
-12
0
mV
0
+12
-20
mV/A
+2
+4
A
-2
-4
300
mΩ
475
-20
+20
mV
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