Datasheet

Multi-Output Power Supplies with VCOM Amplifier
and High-Voltage Gamma Reference for LCD TVs
MAX17126/MAX17126A
_______________________________________________________________________________________ 9
ELECTRICAL CHARACTERISTICS (continued)
(V
INVL
= V
IN2
= 12V, V
VOP
= V
VREF_I
= 15V, T
A
= -40NC to +85NC.) (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
OPERATIONAL AMPLIFIERS
VOP Supply Range 8 20 V
VOP Overvoltage Fault Threshold V
OP
= rising, hysteresis = 200mV (Note 2) 20.1 22 V
VOP Supply Current Buffer configuration, V
OPP
= V
OPN
= V
OP
/2, no load 4 mA
Input Offset Voltage 2V < (V
OPP
, V
OPN
) < (V
OP
- 2V) 14 mV
Input Common-Mode
Voltage Range
0 OVIN V
Output Voltage Swing High I
OPO
= 25mA
VOP -
320
mV
Output Voltage Swing Low I
OPO
= -25mA 300 mV
Short-Circuit Current
Short to V
OPO
/2, sourcing 200
mA
Short to V
OPO
/2, sinking 200
HIGH-VOLTAGE SWITCH ARRAY
VGH Supply Range 35 V
VGH Supply Current 300
FA
VGHM-to-VGH Switch
On-Resistance
V
DLY1
= 2V, GVOFF = VL 10
I
VGHM-to-VGH Switch
Saturation Current
V
VGH
- V
VGHM
> 5V 150 mA
VGHM-to-DRN Switch
On-Resistance
V
DLY1
= 2V, GVOFF = GND 50
I
VGHM-to-DRN Switch
Saturation Current
V
VGHM
- V
DRN
> 5V 75 mA
VGHM-to-GND Switch
On-Resistance
DLY1 = GND 1.0 4.0
kI
GVOFF Input Low Voltage 0.6 V
GVOFF Input High Voltage 1.6 V
THR-to-VGHM Voltage Gain 9.4 10.6 V/V
SEQUENCE CONTROL
EN Input Low Voltage 0.6 V
EN Input High Voltage 1.6 V
DLY1 Charge Current
V
DLY1
= 1V; when DLY1 cap is not used,
there is no delay
6 10
FA
DLY1 Turn-On Threshold 1.19 1.31 V