MAX8795A Maxim Integrated Products, MAX8795A Datasheet - Page 4

• Manufacturer Part Number: MAX8795A
• Description: TFT-LCD DC-DC Converter
• Manufacturer: Maxim Integrated Products

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TFT-LCD DC-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.)
4
GATE-OFF LINEAR-REGULATOR CONTROLLER
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
FBN Effective Load-Regulation
Error (Transconductance)
FBN Line (IN) Regulation Error
DRVN Source Current
DRVN Off-Leakage Current
Soft-Start Period
Soft-Start Step Size
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
DEL Capacitor Charge Current
DEL Turn-On Threshold
DEL Discharge Switch
On-Resistance
CTL Input Low Voltage
CTL Input High Voltage
CTL Input Leakage Current
CTL-to-SRC Propagation Delay
SRC Input Voltage Range
SRC Input Current
S RC - to- C O M S w i tch On- Resi stance
D RN - to- C O M S w i tch
On- Resi stance
IN
_______________________________________________________________________________________
= 3V, V
PARAMETER
MAIN
= V
SUP
= 14V, PGND = AGND = BGND = 0, I
SYMBOL
R
R
V
DRN(ON)
SRC(ON)
I
TH(DEL)
V
DRVN
I
I
SRC
FBN
t
FBN
SS
I
V
V
V
I
V
V
During startup, V
During UVLO, V
V
V
CTL = AGND or IN
V
V
V
V
DRVN
DRVN
FBN
FBN
DRVN
FBN
FBN
IN
IN
DEL
DEL
DEL
DEL
= 2.5V to 5.5V
= 2.5V to 5.5V
= 1.5V, CTL = IN
= 1.5V, CTL = AGND
= 1.5V, CTL = IN
= 1.5V, CTL = AGND
rising
= 0.25V
= 300mV, V
= 0V, V
= 100µA, V
= 0.1mA, 2.5V < V
= -10V, I
DRVN
REF
CONDITIONS
DRVN
IN
DEL
DRVN
REF
= 2.0V
= -25V
= 25µA, T
= 1V
= 50µA to 1mA
- V
= -10V
FBN
IN
< 6V
A
= 0°C to +85°C. Typical values are at T
0.984
1.19
MIN
370
-50
-1
1
4
2
V
(V
-0.01
±0.7
TYP
FBN
1.25
420
128
100
200
115
REF
11
14
20
30
1
5
5
5
) /
-
1.015
MAX
1.31
470
+50
300
200
-10
0.6
±5
+1
25
36
10
60
6
A
= +25°C,
UNITS
mV
mV
mV
mA
ms
nA
µA
µA
µA
µA
ns
Ω
Ω
Ω
V
V
V
V
V
V