MAX8795AETJ-T 查看數據表（PDF） - Maxim Integrated

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MAX8795AETJ-T

TFT-LCD DC-DC Converter with Operational Amplifiers

Maxim Integrated 

TFT-LCD DC-DC Converter with

Operational Amplifiers

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 3V, VMAIN = VSUP = 14V, VPGND = VAGND = VBGND = 0V, IREF = 25µA, TA = -40°C to +105°C, unless otherwise noted.) (Note3)

PARAMETER

SYMBOL

CONDITIONS

GATE-ON LINEAR-REGULATOR CONTROLLER

FBP Regulation Voltage

VFBP IDRVP = 100µA

FBP Effective Load-Regulation

Error (Transconductance)

VDRVP = 10V, IDRVP = 50µA to 1mA

FBP Line (IN) Regulation Error

IDRVP = 100µA, 2.5V < VIN < 6V

DRVP Sink Current

IDRVP VFBP = 1.1V, VDRVP = 10V

GATE-OFF LINEAR-REGULATOR CONTROLLER

FBN Regulation Voltage

VFBN IDRVN = 100µA, VREF - VFBN

FBN Effective Load-Regulation

Error (Transconductance)

VDRVN = -10V, IDRVN = 50µA to 1mA

FBN Line (IN) Regulation Error

IDRVN = 0.1mA, 2.5V < VIN < 6V

DRVN Source Current

IDRVN VFBN = 300mV, VDRVN = -10V

POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES

DEL Capacitor Charge Current

DEL Turn-On Threshold

CTL Input Low Voltage

CTL Input High Voltage

SRC Input Voltage Range

VTH(DEL)

During startup, VDEL = 1V

VIN = 2.5V to 5.5V

VIN = 2.5V to 5.5V

SRC Input Current

ISRC

VDEL = 1.5V, CTL = IN

VDEL = 1.5V, CTL = AGND

SRC-to-COM Switch

On-Resistance

RSRC(ON) VDEL = 1.5V, CTL = IN

MIN

1.210

1

0.972

1

4

1.19

2

MAX UNITS

1.280

V

-1.5

%

10

mV

mA

1.022

V

25

mV

±5

mV

mA

6

µA

1.31

V

0.6

V

V

36

V

300

µA

200

12

Ω

DRN-to-COM Switch

On-Resistance

RDRN(ON) VDEL = 1.5V, CTL = AGND

70

Ω

Note 2: For 5.5V < VIN < 6.0V, use MAX8795A for no longer than 1% of IC lifetime. For continuous operation, input voltage should

not exceed 5.5V.

Note 3: Specifications to -40°C and +105°C are guaranteed by design, not production tested.

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