
MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
LX
= V
SUP2
= 12V, V
PVL
= V
BST
- V
LX
= V
DRV3P
= 5V, V
SUP3N
= 3.3V, V
DRV3N
= -5V, C
VL
= 4.7µF, C
REF
= 0.22µF, R
FREQ
=
15.0kΩ, T
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
ELECTRICAL CHARACTERISTICS
(V
IN
= V
LX
= V
SUP2
= 12V, V
PVL
= V
BST
- V
LX
= V
DRV3P
= 5V, V
SUP3N
= 3.3V, V
DRV3N
= -5V, C
VL
= 4.7µF, C
REF
= 0.22µF, R
FREQ
=
15.0kΩ, T
A
= -40°C to +125°C (Note 2), unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SEQ, PFI, PFO, POR
SEQ Input-Voltage High 2.4 V
SEQ Input-Voltage Low 0.8 V
SEQ Input Current V
SEQ
= 0 to V
VL
110µA
I
POR
= 1.6mA 10 200
POR Output-Voltage Low
V
FB1
, V
FB2
, V
FB3P
,
V
FB3N
, out-of-regulation
I
POR
= 0.1mA,
V
IN
= 1.0V
20 200
mV
POR Output Leakage Current
V
FB1
, V
FB2
, and V
FB3P
or V
FB3N
, in-
regulation
0.001 1 µA
POR Power-Ready Delay Time
From V
FB1
, V
FB2
, and V
FB3P
or V
FB3N
, in-
regulation to POR = high impedance
140 315 560 ms
PFI Input Threshold Falling, V
HYST
= 20mV 1.20 1.22 1.25 V
PFI Input Bias Current V
PFI
= 1.0V 0.1 100 nA
I
PFO
= 1.6mA 20 200
PFO Output-Voltage Low PFI = 1.1V
I
PFO
= 0.1mA,
V
IN
= 1.0V
10 200
mV
PFO Output Leakage Current PFI = 1.4V, PFO = 5V 0.001 1 µA
THERMAL PROTECTION
Thermal Shutdown Junction temperature rising +170 °C
Thermal-Shutdown Hysteresis 25 °C
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS
GENERAL
5.5 28.0
IN Operating Range
IN = VL 4.5 5.5
V
IN Supply Current
V
FB1
= 1.3V, V
FB2
= V
FB3
= 1.0V, does not
include switching current to PVL and BST,
SYNC/EN = VL
3.2 mA
IN Shutdown Current V
SYNC/EN
= 0, R
FREQ
= 50kΩ 300 µA
VL REGULATOR
VL Output Voltage V
IN
= 6V to 28V, I
VL
= 0.1mA to 40mA 4.75 5.25 V
VL Dropout Voltage From IN to VL, V
IN
= 5V, I
VL
= 40mA 610 mV
VL Undervoltage Threshold VL rising, V
HYST
= 675mV (typ) 3.6 4.2 V
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