MAX8795AGCJ(2007) 查看數據表（PDF） - Maxim Integrated
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MAX8795AGCJ Datasheet PDF : 30 Pages
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TFT-LCD DC-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 3V, VMAIN = VSUP = 14V, PGND = AGND = BGND = 0, IREF = 25µA, TA = 0°C to +85°C. Typical values are at TA = +25°C,
unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
GATE-OFF LINEAR-REGULATOR CONTROLLER
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
VFBN
IFBN
IDRVN = 100µA, VREF - VFBN
VFBN rising
VFBN = 0.25V
FBN Effective Load-Regulation
Error (Transconductance)
VDRVN = -10V, IDRVN = 50µA to 1mA
FBN Line (IN) Regulation Error
DRVN Source Current
DRVN Off-Leakage Current
Soft-Start Period
IDRVN
tSS
IDRVN = 0.1mA, 2.5V < VIN < 6V
VFBN = 300mV, VDRVN = -10V
VFBN = 0V, VDRVN = -25V
Soft-Start Step Size
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
DEL Capacitor Charge Current
DEL Turn-On Threshold
During startup, VDEL = 1V
VTH(DEL)
DEL Discharge Switch
On-Resistance
During UVLO, VIN = 2.0V
CTL Input Low Voltage
CTL Input High Voltage
CTL Input Leakage Current
VIN = 2.5V to 5.5V
VIN = 2.5V to 5.5V
CTL = AGND or IN
CTL-to-SRC Propagation Delay
SRC Input Voltage Range
SRC Input Current
SRC-to-COM Switch On-Resistance
ISRC
RSRC(ON)
VDEL = 1.5V, CTL = IN
VDEL = 1.5V, CTL = AGND
VDEL = 1.5V, CTL = IN
DRN-to-COM Switch
On-Resistance
RDRN(ON) VDEL = 1.5V, CTL = AGND
MIN TYP MAX UNITS
0.984
1
1.015
V
370
420
470
mV
-50
+50
nA
11
25
mV
±0.7 ±5
mV
1
5
mA
-0.01 -10
µA
14
ms
(VREF -
VFBN) /
V
128
4
5
6
µA
1.19 1.25 1.31
V
20
Ω
0.6
V
2
V
-1
+1
µA
100
ns
36
V
200 300
µA
115 200
5
10
Ω
30
60
Ω
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