BL6305MM datasheet(2/9 Pages) BELLING

Part #	BL6305MM

Description	Optimized PWM Output Stage Eliminates LC Output Filter

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Manufacturer	BELLING [SHANGHAI BELLING CO., LTD.]

Direct Link	http://www.belling.com.cn

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BL6305

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Ver1.2

Pin Description

Pin #

Name

Description

1

SDB

Shutdown terminal (low active)

2

NC (No internal connection)

3

IN+

Positive differential input

4

IN-

Negative differential input

5

VO+

Positive BTL output

6

VDD

Power Supply

7

PGND

Power Ground

8

VO-

Negative BTL output

Function Block Diagram

Vo+

Vo-

170k

IN+

IN-

Amp1

Av1 = 170k/Ri

ShutDown

Control

Bias &

Reference

OSC &

RAMP

OC

Detect

Start up &

Protection

300k

SDB

GND

VDD

(6)

(8)

(5)

(7)

(4)

(3)

(1)

PWM Modulator and

Power Driver

Av2 = 2 V/V

Note

s:

I

R

k

Av

Gain

Voltage

Total

170

2

1

×

=

×

=

Figure 1. Function Block Diagram

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BL6305MM Datasheet(PDF) 2 Page - SHANGHAI BELLING CO., LTD.

BL6305MM Datasheet(HTML) 2 Page - SHANGHAI BELLING CO., LTD.

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