AS2844 datasheet(9/20 Pages) ETC

Nome de Peças	AS2844

Descrição Electrónicos	Current Mode Controller

PDF	20 Pages

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Fabricante Electrônico	ETC [List of Unclassifed Manufacturers]

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ASTEC Semiconductor

Current Mode Controller

AS2842/3/4/5

Typical Performance Curves

Current Sense Input Threshold vs

Error Amp Output Voltage

Error Amp Input Voltage vs Ambient

Temperature

Output Sink Capability In Under-

Voltage Mode

Output Saturation Voltage

Figure 10

Figure 11

Figure 12

Figure 13

A – Ambient Temperature (°C)

–60

2.460

2.470

2.480

2.490

2.500

2.510

150

–30

120

FB = VCOMP

CC = 15 V

COMP – Error Amp Output Voltage (V)

–0.4

–0.2

0.2

0.4

0.6

1.2

135

0.8

1.0

A = – 55° C

A = 25° C

A = 125° C

OUT – Output Voltage (V)

100

1 A

1.5

2.5

0.5

CC = 6 V

A = 25° C

OUT – Output Saturation Current (mA)

–1

100

500

–2

Sink Saturation

J = 125° C

J = –55° C

J = 25° C

J = 125° C

Source Saturation

OUT – VCC

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