MC33341_06 datasheet(4/19 Pages) ONSEMI

Part #	MC33341

Description	Power Supply Battery Charger Regulation Control Circuit

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Manufacturer	ONSEMI [ON Semiconductor]

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MC33341

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4

0

−50

1.0

0

280

0

1.6

−50

4.0

VPin 2, CURRENT THRESHOLD ADJUST (mV)

VPin 2, CURRENT THRESHOLD ADJUST (V)

TA, AMBIENT TEMPERATURE (°C)

VPin 2, CURRENT THRESHOLD ADJUST (mV)

VPin 6, VOLTAGE THRESHOLD ADJUST (V)

Figure 2. Voltage Sensing

Threshold Change versus Temperature

TA, AMBIENT TEMPERATURE (°C)

Figure 3. Current Sensing

Threshold Change versus Temperature

VCC = 6.0 V

Figure 4. Closed−Loop Voltage Sensing Input

versus Voltage Threshold Adjust

Figure 5. Closed−Loop Current Sense Input B

versus Current Threshold Adjust

Figure 6. Closed−Loop Current Sensing Input A

versus Current Threshold Adjust

Figure 7. Closed−Loop Current Sensing Input A

versus Current Threshold Adjust

−25

0

25

50

75

100

125

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

40

80

120

160

200

240

280

−25

0

25

50

75

100

125

40

80

120

160

200

240

280

40

80

120

160

200

240

280

0

−4.0

−8.0

−12

0

−1.0

−2.0

−3.0

−40

−80

−120

−160

−200

−240

−280

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

240

200

160

120

80

40

0

−40

−80

−120

−160

−200

−240

−260

16

14

12

10

8.0

6.0

4.0

2.0

0

2.0

4.0

6.0

8.0

10

12

14

12

10

8.0

6.0

4.0

2.0

0

14

12

10

8.0

6.0

4.0

2.0

0

VCC = 6.0 V

1 − Source High−Side and Load High−Side

2 − Source Return Low−Side

3 − Load Low−Side

VCC

VCC = 6.0 V

VO = 1.0 V

IO = 1.0 mA

TA = 25°C

1

2

3

VPin 5

VPin 6−VPin 5

VPin 6

VPin 1−VPin 6

VCC = 6.0 V

VO = 1.0 V

IO = 1.0 mA

Pin 1 = VCC

TA = 25°C

GND

VPin 5

VPin 2−VPin 1

VCC = 6.0 V

VO = 1.0 V

IO = 1.0 mA

TA = 25°C

VPin 2−|VPin 1|

VPin 5

VCC = 6.0 V

VO = 1.0 V

IO = 1.0 mA

TA = 25°C

Noninverting input path is active

for load low−side current sensing.

Inverting Amplifier is

active for source return

low−side current sensing.

GND

Differential Amplifier is active for

source high−side and load high−side

current sensing. Both vertical axis are

expressed in millivolts down to VCC.

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