MAX8728ETJ+ Maxim Integrated Products, MAX8728ETJ+ Datasheet - Page 5

• Manufacturer Part Number: MAX8728ETJ+
• Description: Display Drivers Low-Cost Multiple-Ou tput Power Supply fo
• Manufacturer: Maxim Integrated Products

Specifications of MAX8728ETJ+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
to +85°C. Typical values are at T
DEL, EN Discharge Switch
On-Resistance
FBN Discharge Switch
On-Resistance
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
CTL Input Low Voltage
CTL Input High Voltage
CTL Input Leakage Current
CTL-to-GON Rising Propagation
Delay
CTL-to-GON Falling Propagation
Delay
SRC Input Voltage Range
SRC Input Current
DRN Input Current
SRC Switch On-Resistance
SRC Switch Saturation Current
DRN Switch
On-Resistance
DRN Switch Saturation Current
MODE Switch On-Resistance
MODE Current-Source Stop
Voltage Threshold
MODE Charge Current
MODE Voltage Threshold
THR to GON Voltage Gain
FAULT DETECTION
Duration to Trigger Fault
Thermal Shutdown Threshold
SWITCHING-FREQUENCY SELECTION
FSEL Input Levels
FSEL Input Current
PARAMETER
_______________________________________________________________________________________
IN
= V
INL
= V
A
Power Supply for LCD Monitors/TVs
SUPP
= +25°C, unless otherwise noted.)
SHDN = low or fault tripped
EN = low or fault tripped
1kΩ from DRN to GND, 1.5nF from GON to
GND
1kΩ from DRN to GND, 1.5nF from GON to
GND
V
V
V
V
V
V
V
V
= 28V, V
V
= 28V, V
SHDN = GND
MODE rising
Operating mode 2, V
Enabling DRN switch control in mode 2
15°C typical hysteresis
FSEL = V
FSEL = REF (0.5MHz)
FSEL = GND (1.5MHz)
Forced to V
MODE
MODE
MODE
GON
MODE
MODE
SRC
MODE
MODE
= 12V, V
- V
> V
= V
= V
= V
= V
= V
= V
= V
GON
THR
THR
CC
DRN
REF
REF
REF
REF
REF
REF
REF
CC
(1MHz)
= 1.4V
= 1.4V, V
OUT1
> 5V
, V
, V
, V
, V
, V
, V
, V
, V
CONDITIONS
CTL
DEL
DEL
DRN
DEL
DEL
DEL
DEL
= +3.3V, V
= 0
MODE
= V
= 3V, V
= V
= V
= 3V, V
= 3V, V
= 8V, V
GON
CTL
CTL
CTL
Low-Cost, Multiple-Output
- V
= 0.7V
CTL
CTL
CTL
= 3V
= 3V
= 3V,
DEL
DRN
SRC
= 0
= 0, V
= 0, V
= 3V,
> 5V
= 28V, GND1 = GND2 = GNDP = GND = 0, I
GON
GON
V
CC
MIN
1.65
2.0
1.2
0.8
9.4
40
-1
- 0.4
+160
TYP
0.14
10.0
100
250
260
100
1.5
1.4
1.0
20
15
25
50
50
10
5
0
1
MAX
0.20
10.6
2.35
0.6
2.0
1.6
1.2
0.5
+1
38
30
50
60
1
REF
= 0, T
UNITS
mA
mA
mA
V/V
A
ms
kΩ
µA
µA
kΩ
µA
µA
ns
ns
°C
Ω
Ω
Ω
V
V
V
V
V
V
= 0°C
5