DLPA200

www.ti.com

DLPS015D – APRIL 2010 – REVISED MAY 2015

7.6 5-V Linear Regulator

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output voltage

4.75

5

5.25

V

Output current: internal logic

4

20

mA

Output current: external

0

30

mA

circuitry

Current limit

80

mA

V5REG voltage increasing, P12V

4.1

= 5.4 V

Undervoltage threshold

V

V5REG voltage falling, P12V =

3.9

5.2 V

200

mVpk-pk

Voltage overshoot at start up

2

%V5REG

Power up

Measured between 10 to 90% of V5REG

1

ms

(1)

Output ripple voltage relies on suitable external components being selected and good printed circuit board layout practice.

7.7 Bias Voltage Boost Converter

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

Load = 400pF, 39

Ω,

Output current: reset outputs

0

18

mA

repetition frequency = 50 kHz

Output current: quiescent /

Load = 400 pF, 39

Ω,

3

mA

drivers

repetition frequency = 50 kHz

Output current: DMD load

0

5

mA

Current limit flag

Corresponding current on output at P12V = 10.8 V

30

mA

Current limit

Measured on input

330

376

460

mA

Output voltage

25.5

26

26.5

V

Bias voltage falling

50

92

%VBIAS

VBIAS_LHI voltage increasing

8

V

VBIAS_LHI undervoltage

threshold

VBIAS_LHI voltage falling

6.5

V

2

Ω

200

mVpk-pk

Switching frequency

1.35

1.5

1.65

MHz

Voltage overshoot at start up

2

%VBIAS

Power up

1

ms

Discharge current sink

400

mA

(1)

Output ripple voltage relies on suitable external components being selected and good printed circuit board layout practice.

Copyright © 2010–2015, Texas Instruments Incorporated

Submit Documentation Feedback

9

Product Folder Links: DLPA200