MAX1530ETJ+ datasheet(5/33 Pages) MAXIM

Part #	MAX1530ETJ+

Description	Multiple-Output Power-Supply Controllers for LCD Monitors

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Manufacturer	MAXIM [Maxim Integrated Products]

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5 / 33 page

Multiple-Output Power-Supply Controllers for

LCD Monitors

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, VIN = 12V, VEN = VSEQ = 5V, TA = 0

°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

FREQ = GND

1024 / fOSC

Soft-Start Period

FREQ = VL

2048 / fOSC

s

POSITIVE LINEAR REGULATOR (LR4)

FBL4 Regulation Voltage

VDRV4 = 5V, IDRV4 = 500µA

1.226

1.245

1.264

V

FBL4 Input Bias Current

VFBL4 = 1.5V

-50

+50

nA

FBL4 Effective Load Regulation

Error (Transconductance)

VDRV4 = 5V, IDRV4 = 500µA to 10mA

-1.5

-2

%

FBL4 Line Regulation Error

IDRV4 = 500µA, 5.5V < VIN < 28V

5

mV

DRV4 Sink Current

VFBL4 = 1.175V, VDRV4 = 5V

10

28

mA

DRV4_Off-Leakage Current

VFBL4 = 1.5V, VDRV4 = 28V

0.1

10

µA

FBL4 Input Common-Mode

Range

(Note 2)

-0.1

+1.5

V

Soft-Start Step Size

Measured at FBL4

1.238 / 32

V

FREQ = GND

1024 / fOSC

Soft-Start Period

FREQ = VL

2048 / fOSC

s

NEGATIVE LINEAR REGULATOR (LR5)

FBL5 Regulation Voltage

VDRV5 = -10V, IDRV5 = 100µA

100

125

150

mV

FBL5 Input Bias Current

VFBL5 = 0

-50

+50

nA

FBL5 Effective Load Regulation

Error (Transconductance)

VDRV5 = -10V, IDRV5 = 50µA to 1mA

-1.5

-2

%

FBL5 Line Regulation Error

IDRV5 = 100µA, 5.5V < VIN < 28V

5

mV

DRV5 Source Current

VFBL5 = 200mV, VDRV5 = -10V

2

9

mA

DRV5 Off-Leakage Current

VFBL5 = 0, VDRV5 = -20V

0.1

10

µA

FBL5 Input Common-Mode

Range

(Note 2)

-0.1

+1.5

V

Soft-Start Step Size

Measured at FBL5

1.238 / 32

V

FREQ = AGND

1024 / fOSC

Soft-Start Period

FREQ = VL

2048 / fOSC

s

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, VIN = 12V, VEN = VSEQ = 5V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

Operating Input Voltage Range

(Note 1)

4.5

28.0

V

VL REGULATOR

VL Output Voltage

5.5V < VIN < 28V, 0 < IVL < 30mA

4.75

5.25

V

VL Undervoltage Lockout

Threshold

VL rising, 3% hysteresis

3.2

3.8

V

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