TCL1117 Просмотр технического описания (PDF) - TelCom Semiconductor Inc => Microchip

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TCL1117

800mA LOW DROPOUT POSITIVE REGULATORS ADJUSTABLE AND FIXED 2.85V, 3.30V, 5.00V

TelCom Semiconductor Inc => Microchip 

PRELIMINARY INFORMATION

TCL1117

TCL1117-2.85

TCL1117-3.30

TCL1117-5.00

800mA LOW DROPOUT POSITIVE REGULATORS

ADJUSTABLE AND FIXED 2.85V, 3.30V, 5.00V

TYPICAL APPLICATIONS (Cont.)

Battery Backed Up Regulated Supply

Improving Ripple Rejection

VIN

6.5V

+

10µF

IN TCL1117-5.00 OUT

GND

50Ω

SELECT FOR

CHARGE RATE

+

10µF

IN TCL1117-5.00 OUT

GND

5.2V LINE

5.0V BATTERY

+

100µF

VIN

+

10µF

IN TCL1117 OUT

ADJ

R1

121Ω

1%

R2

*C1 IMPROVES RIPPLE

365Ω

1%

REJECTION. XC SHOULD BE

≈ R1 AT RIPPLE FREQUENCY

+ C1*

10µF

VIN ≥ 16.5V

150µF

High Efficiency Dual Supply

FEEDBACK PATH

MUR410

+

3.3V OUTPUT (TYPICAL)

470µF

VI+N

SWITCHING

REGULATOR

MUR410

IN

+

470µF

TCL1117-5.00 OUT

GND

+

10µF

MUR410

IN

+

470µF

TCL1117-5.00 OUT

GND

+

10µF

Low Dropout Negative Supply

+5V

0.5A

1N4002

1N4002

–5V

0.5A

VIN

TCL1117-05 6/5/97

FLOATING INPUT

IN TCL1117-5.00 OUT

+

10µF

GND

+

100µF

VOUT = –5V

6

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