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MP1530

Triple Output Step-Up Plus Linear Regulators for TFT Bias

MPS Industries, Inc. 

MP1530 – TRIPLE OUTPUT STEP-UP PLUS LINEAR REGULATORS FOR TFT BIAS

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Circuit of Figure 3, VIN = 5V, VMAIN = 13V, IMAIN = 200mA, VGL = -8.5V, IGL = 10mA, VGH = 27V,

IGH = 10mA, TA = +25C, unless otherwise noted.

Normal Operation

Load Transient on

VMAIN

IMAIN = 20mA - 200mA Step

VSW

5V/div.

VMAIN AC

50mV/div.

IMAIN

200mA/div.

VMAIN AC

100mV/div.

IINDUCTOR

0.5A/div.

400ns/div.

Fault Timer

VMAIN Shorted to VIN

VMAIN

5V/div.

VCT

1V/div.

VGL

10V/div.

VGH

20V/div.

2ms/div.

Reference Voltage vs

Temperature

1.256

1.254

1.252

1.250

1.248

1.246

1.244

1.242

1.240

1.238

-50

0

50

100 150

TEMPERATURE (°C)

Oscillator Frequency vs

Temperature

1.50

1.47

1.44

1.41

1.38

1.35

1.32

1.29

1.26

-50

0

50

100 150

TEMPERATURE (°C)

MP1530 Rev. 1.41

www.MonolithicPower.com

5

5/25/2011

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© 2011 MPS. All Rights Reserved.

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