Low-Cost, Linear-Regulator

LCD Panel Power Supplies

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3

ELECTRICAL CHARACTERISTICS (continued)

+25°C, unless otherwise noted.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OPERATIONAL AMPLIFIER (MAX8710/MAX8711/MAX8761)

SUPB Supply Operating Range

4.5

13.2

V

SUPB Supply Current

0.7

1.0

mA

Input Offset Voltage

°C0

12

mV

Input Bias Current

-50

+1

+50

nA

Common-Mode Input Range

V

Common-Mode Rejection Ratio

0

50

90

dB

Open-Loop Gain

125

dB

15

2

Output Voltage Swing High

150

80

mV

2

15

Output Voltage Swing Low

80

150

mV

50

150

Short-Circuit Current

50

140

mA

Output Current

±10mV

±40

mA

Power-Supply Rejection Ratio

6V

60

100

dB

Slew Rate

12

V/µs

-3dB Bandwidth

12

MHz

Gain-Bandwidth Product

8

MHz

POSITIVE CHARGE-PUMP REGULATOR

FBP Regulation Voltage

2.425

2.500

2.575

V

FBP Line-Regulation Error

25

mV

FBP Input Bias Current

-50

+50

nA

DRVP p-Channel On-Resistance

15

30

Ω

6

12

Ω

DRVP n-Channel On-Resistance

20

k

Ω

FBP Fault Trip Level

Falling edge

1.92

2.00

2.08

V

Positive Charge-Pump Soft-Start

Period

2

2.73

ms

NEGATIVE CHARGE-PUMP REGULATOR

FBN Regulation Voltage

200

250

300

mV

FBN Input Bias Current

-50

+50

nA

FBN Line Regulation

25

mV

DRVN p-Channel On-Resistance

7.5

15

Ω