Datasheet

(Circuit of Figure 1, 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
= 0°C to +85°C, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
FBD Output Accuracy V
FBD
V
FBD
with respect to V
REFIND
, OUTD =
FBD, I
OUTD
= +50µA (source load)
-10 0
mV
V
FBD
with respect to V
REFIND
,
OUTD = FBD, I
OUTD
= -50µA (sink load)
0 +10
FBD Load Regulation I
OUTD
= ±1A -17 -13 mV/A
FBD Line Regulation V
IND
= 1.0V to 2.8V, I
OUTD
= ±200mA 1 mV
FBD Input Current V
FBD
= 0 to 1.5V, T
A
= +25°C 0.1 0.5 µA
OUTD Linear-Regulator Current
Limit
Source load +2 +4
A
Sink load -2 -4
Current-Limit Soft-Start Time With respect to internal OND signal 160 µs
Internal MOSFET On-Resistance
High-side on-resistance 120 250
mΩ
Low-side on-resistance 180 450
VTTR Output Accuracy REFIND to VTTR
I
VTTR
= ±0.5mA -10 +10
mV
I
VTTR
= ±3mA -20 +20
VTTR Maximum Current Rating ±5 mA
FAULT PROTECTION
SMPS POK and Fault Thresholds
Upper threshold rising edge,
hysteresis = 50mV
9 12 14
%
Lower threshold falling edge,
hysteresis = 50mV
-14 -12 -9
VTT LDO POKD and Fault
Threshold
Upper threshold rising edge,
hysteresis = 50mV
6 12 16
%
Lower threshold falling edge,
hysteresis = 50mV
-16 -12 -6
POK Propagation Delay t
POK
FB_ forced 50mV beyond POK_ trip
threshold
5 µs
Overvoltage Fault Latch Delay t
OVP
FB_ forced 50mV above POK_ upper
trip threshold
5 µs
SMPS Undervoltage Fault
Latch Delay
t
UVP
FBA, FBB, or FBC forced 50mV below
POK_ lower trip threshold
5 µs
VTT LDO Undervoltage Fault
Latch Delay
t
UVP
FBD forced 50mV below POKD lower
trip threshold
5000 µs
POK Output Low Voltage V
POK
I
SINK
= 3mA 0.4 V
POK Leakage Currents I
POK
V
FBA
= 1.05V, V
FBB
= V
FBC
= 0.8V, V
FBD
=
V
REFIND
+ 50mV (POK high impedance);
POK_ forced to 5V, T
A
= +25°C
1 µA
Thermal-Shutdown Threshold
T
SHDN
Hysteresis = 15°C +160 °C
MAX17019 High-Input-Voltage Quad-Output Controller
www.maximintegrated.com
Maxim Integrated │ 5
Electrical Characteristics (continued)