Datasheet

MAX17014
Low-Cost Multiple-Output
Power Supply for LCD TVs
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= V
IN2
= 12V, AV
DD
= V
OVIN
= V
SUP
= 15V, T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C, unless oth-
erwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Mode 1 Voltage Threshold V
MODE
rising edge 4.5 V
MODE Capacitor Charge Current
(Mode 2)
V
M OD E
< M OD E cur r ent- sour ce stop vol tag e thr eshol d 40 50 60 µA
MODE Voltage Threshold for
Enabling DRN Switch Control
in Mode 2
GON connects to DRN, V
MODE
rising edge 1.20 1.3 1.4 V
MODE Current-Source Stop
Voltage Threshold
MODE
rising edge 2 3 V
THR-to-GON Voltage Gain 9.4 10.0 10.6 V/V
SEQUENCE CONTROL
EN1, EN2, Input Low Voltage 0.6 V
EN1, EN2 Input High Voltage 1.6 V
EN1, EN2 Pulldown Resistance 1M_
DEL1, DEL2, DLP Charge Current V
DEL1
= V
DEL2
= V
DLP
= 1V 6 8 10 µA
DEL1, DEL2, DLP Turn-On Threshold 1.19 1.25 1.31 kV
DEL1, DEL2, DLP Discharge
Switch On-Resistance
EN1 = GND or fault tripped 10 _
FBN D i schar g e S w i tch On- Resi stance EN2 = GND or fault tripped 3 k_
FAULT DETECTION
Duration to Trigger Fault 50 ms
Duration to Restart After Fault 160 ms
Number of Restart Attempts
Before Shutdown
3 Times
Thermal-Shutdown Threshold 15°C typical hysteresis +160 °C
SWITCHING FREQUENCY SELECTION
FSEL Input Low Voltage 600kHz 0.6 V
FSEL Input High Voltage 1.2MHz 1.6 V
FSEL Pulldown Resistance 1M_