MAX8758 Maxim Integrated Products, MAX8758 Datasheet - Page 3

• Manufacturer Part Number: MAX8758
• Description: Step-Up Regulator
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
LX Leakage Current
LX Current Limit
Current-Sense Transresistance
SS Source Current
POSITIVE GATE DRIVER TIMING AND CONTROL SWITCHES
CTL Input Low Voltage
CTL Input High Voltage
CTL Input Leakage Current
CTL-to-SRC Propagation Delay
SRC Input Voltage
SRC Input Current
DRN Input Current
SRC-to-GON Switch On-Resistance
DRN-to-GON Switch On-Resistance
GON-to-PGND Switch On-Resistance
MODE Switch On-Resistance
MODE 1 Voltage Threshold
MODE Capacitor Charge Current
(MODE 2)
MODE 2 Switch Transition Voltage
Threshold
MODE Current-Source Stop
Threshold
DLP Capacitor Charge Current
DLP Turn-On Threshold
THR-to-GON Voltage Gain
OPERATIONAL AMPLIFIER
SUPB Supply Range
SUPB Supply Current
Input Offset Voltage
Input Bias Current
Input Common-Mode Voltage Range
IN
= V
SHDN
PARAMETER
= +3V, OUT = +10V, FREQ = GND, T
_______________________________________________________________________________________
Step-Up Regulator with Switch Control
and Operational Amplifier for TFT LCD
V
65% duty cycle
V
V
V
V
GON rising, V
no load on GON
GON falling, V
no load on GON
V
MODE = DLP = CTL = LDO
MODE = DLP = LDO, V
DLP = CTL = LDO
DLP = LDO, V
V
V
MODE rising
V
GON connected to DRN
MODE rising
During startup, V
V
Buffer configuration, V
V
V
LX
IN
IN
IN
CTL
DLP
DLP
DLP
MODE
GON
NEGB
NEGB
= 1.8V to 5.5V
= 1.8V to 2.4V
= 2.4V to 5.5V
= 13V
= 0 or V
= 0, V
= 0, V
= 0, V
= 12V, V
, V
, V
= 1.5V
POSB
POSB
A
IN
IN
IN
= 0°C to +85°C, unless otherwise noted. Typical values are at T
IN
MODE
= 3V
CTL
= 3V
= 3V
MODE
THR
= V
= V
DLP
= 0
SUPB
SUPB
= 1.2V
CONDITIONS
= 1.24V, V
= 1.24V, V
= 1.0V
POSB
DRN
/2, T
/2
= 4V, no load
A
= 8V, V
= +25°C
CTL
CTL
= 0 to 3V step,
= 3V to 0 step,
CTL
= 0
2.375
0.19
MIN
2.0
3.0
1.4
2.0
2.3
3.3
9.7
4.5
-50
40
-1
4
0
2.500
V
2500
2500
1000
0.9 x
TYP
0.01
10.0
100
100
150
150
2.5
0.3
4.0
2.5
3.5
15
65
LDO
50
5
V
2.625
MAX
0.40
10.3
13.0
+50
250
250
130
SUPB
3.0
5.5
0.6
2.7
3.7
1.0
+1
A
20
30
62
12
6
= +25°C.)
UNITS
V/A
V/V
mA
mV
µA
µA
µA
µA
µA
µA
µA
nA
ns
Ω
Ω
Ω
Ω
Ω
A
V
V
V
V
V
V
V
V
3