Datasheet

MAX17113
Low-Cost, Multiple-Output
Power Supply for LCD TVs
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
VIN
= V
IN2
= 12V, T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Negative Charge-Pump
Soft-Start Period
2ms
Negative Charge-Pump
Soft-Start Step Size
( V
RE F
-
V
FB N
/128
V
AV
DD
SWITCH
SWI Supply Range 8.0 18.5 V
SWI Overvoltage Fault Threshold SWI rising edge, 300mV typical hysteresis (Note 2) 18.50 19.2 19.90 V
SWI-SWO Switch Resistance 120 250 mΩ
HIGH-VOLTAGE SWITCH ARRAY
SRC Supply Range 44 V
SRC Supply Current 250 500 μA
GON-to-SRC Switch On-Resistance V
DLP
= 2V, CTL = VL 10 20 Ω
G ON - to- S RC S w i tch S atur ati on C ur r ent (V
SRC
- V
GON
) > 5V 180 390 mA
GON-to-DRN Switch On-Resistance V
DLP
= 2V, CTL = AGND 25 50 Ω
GO N - to- D RN S w i tch S atur ati on C ur r ent (V
GON
- V
DRN
) > 5V 40 180 mA
GON-to-GND Switch On-Resistance DLP = AGND, V
GON
= 5V 5 10 kΩ
CTL Input Low Voltage 0.6 V
CTL Input High Voltage 1.6 V
CTL Input Current CTL = AGND or VL, T
A
= +25°C -1 +1 μA
C TL- to- G ON Ri si ng P r op ag ati on D el ay
1kΩ fr om D RN to GN D , C TL = AGN D to V L step , no
l oad on G ON , m easur ed fr om V
C TL
= 2V to GON = 20%
100 ns
C TL- to- GON Fal l i ng P r op ag ati on D el ay
1kΩ fr om D RN to GN D , C TL = V L to AGN D step , no l oad
on GON , m easur ed fr om V
C TL
= 0.6V to GON = 80%
200 ns
MODE Switch On-Resistance 1200 Ω
Mode 1 Voltage Threshold V
MODE
rising 3.8 4.1 V
MODE Capacitor Charge Current
(Mode 2)
V
M OD E
= 1V 40 50 65 μA
M O D E V ol tag e Thr eshol d for E nab l i ng
D RN S w i tch C ontr ol i n M od e 2
GON connects to DRN 1.15 1.25 1.35 V
MODE Current-Source Stop
Voltage Threshold
MODE
rising 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 1MΩ
DEL1, DEL2, DLP Charge Current V
DEL1
= V
DEL2
= V
DLP
= 1V 7 8 9 μA
DEL1, DEL2, DLP Turn-On Threshold 1.2 1.25 1.32 kV
DEL1, DEL2, DLP Discharge
Switch On-Resistance
EN1 = AGND or fault tripped 10 Ω
FBN D i schar g e S w i tch On- Resi stance EN2 = AGND or fault tripped 3 kΩ