MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
_______________________________________________________________________________________ 3
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.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V
ILIM
= 2.00V, V
CSN
= 0 to 5.5V 246 275 300
V
ILIM
= 0.50V, V
CSN
= 0 to 5.5V 50 67 81
Current-Limit Threshold (Positive) V
CS
V
ILIM
= V
VL
, V
CSN
= 0 to 5.5V 151 170 188
mV
V
ILIM
= 2.00V, V
CSN
= 0 to 5.5V -333 -272 -199
V
ILIM
= 0.50V, V
CSN
= 0 to 5.5V -90 -67 -42
Current-Limit Threshold
(Negative)
V
CS
V
ILIM
= V
VL
, V
CSN
= 0 to 5.5V -210 -166 -122
mV
CSP and CSN Bias Current V
CSP
= V
CSN
= 0 to 5.5V -120 +135 µA
ILIM Bias Current V
ILIM
= 1.25V -5.3 -5 -4.7 µA
SS Soft-Start Charge Current V
SS
= 0.6V 15 25 35 µA
Soft-Start Discharge Resistance 100 200 Ω
LX, BST, PVL Leakage Current
V
LX
= V
IN
= 28V, V
BST
= 33V, V
PVL
= 5V,
V
SYNC/EN
= 0
0.03 20 µA
FB1 Power-On Reset Threshold 1.08 1.125 1.20 V
OUT2 (POSITIVE LDO)
SUP2 Operating Range V
SUP2
(Note 1) 4.5 28.0 V
DRV2 Clamp Voltage V
DRV2
V
FB2
= 0.75V 7.75 9.00 V
SUP2 Supply Current 160 300 µA
SUP2 Shutdown Supply Current V
SYNC/EN
= 0 3 10 µA
FB2 Regulation Voltage V
FB2
0.784 0.80 0.808 V
FB2 Input Bias Current I
FB2_BIAS
V
FB2
= 0.75V 0.01 100 nA
DRV2 Output Current Limit V
IN
= 5V, V
DRV2
= 5V, V
FB2
= 0.77V 15 30 mA
DRV2 Output Current Limit
During Soft-Start
V
IN
= 6V, V
DRV2
= 5V, V
FB2
= 0.70V 8 10 12 mA
FB2 Power-On Reset Threshold 0.690 0.720 0.742 V
FB2 to DRV2 Transconductance G
C2
I
DRV2
= +250µA, -250µA 0.12 0.2 0.36 S
OUT3P (POSITIVE PNP LDO) (MAX8513 ONLY)
DRV3P Operating Range V
DRV3P
128V
FB3P Regulation Voltage V
DRV3P
= 5V, I
DRV3P
= 1mA 0.790 0.803 0.816 V
FB3P to DRV3P Large-Signal
Transconductance
G
C3P
V
DRV3P
= 5V, I
DRV3P
= 0.5mA to 5mA 0.38 0.6 1.1 S
Feedback Input Bias Current V
FB3P
= 0.75V 0.01 100 nA
DRV3P = 2.5V 15 35
Driver Sink Current V
FB3P
= 0.75V
DRV3P = 4.0V 40
mA
FB3P POR Threshold 0.690 0.720 0.742 V
FB3P Soft-Start Period 1312
Clock
Cycles
(30 paginas)
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