TPS73612DRBR datasheet(4/23 Pages) TI

Part #	TPS73612DRBR

Description	Cap-Free, NMOS, 400mA Low-Dropout Regulator with Reverse Current Protection

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Manufacturer	TI [Texas Instruments]

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FUNCTIONAL BLOCK DIAGRAMS

Servo

Error

Amp

Ref

27k

Ω

8k

Ω

Current

Limit

Thermal

Protection

Bandgap

NR

OUT

R

1

R

2

EN

GND

IN

R

1 + R2 = 80kΩ

4MHz

Charge Pump

VO

1.2V

1.5V

1.8V

2.5V

2.8V

3.0V

3.3V

R1

Short

23.2k

Ω

28.0k

Ω

39.2k

Ω

44.2k

Ω

46.4k

Ω

52.3k

Ω

R2

Open

95.3k

Ω

56.2k

Ω

36.5k

Ω

33.2k

Ω

30.9k

Ω

30.1k

Ω

Table 1. Standard 1%

Resistor Values for

Common Output Voltages

NOTE: VOUT = (R1 + R2)/R2 × 1.204;

R1R2 ≅ 19kΩ for best

accuracy.

Servo

Error

Amp

Ref

Current

Limit

Thermal

Protection

Bandgap

OUT

FB

R

1

R

2

EN

GND

IN

80k

Ω

8k

Ω

27k

Ω

4MHz

Charge Pump

TPS736xx

SBVS038N – SEPTEMBER 2003 – REVISED JANUARY 2007

Figure 1. Fixed Voltage Version

Figure 2. Adjustable Voltage Version

4

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