RT9238 Просмотр технического описания (PDF) - Richtek Technology

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RT9238

VRM8.5 PWM and Triple Linear Power System Controller

Richtek Technology 

RT9238

Preliminary

VOUT1 vs. Temperature

1

VCC = 12V

0.6

0.2

-0.2

-0.6

-1

-40 -20 0 20 40 60 80 100 120

Temperature (°C)

Dead Time

LGATE1

UGATE1

TT

12 > 1) Ch 1:

2) Ch 2:

T

2 Volt 50 ns

2 Volt 50 ns

Time

VOUT2,3,4 Short

FAULT

1>

T

TT

2 > 1) Ch 1:

2) Ch 2:

5 Volt 2 5 ms

2 Volt 2 5 ms

Time

SS13,24

VOUT2,3,4 vs. Temperature

1

VCC = 12V

0.6

0.2

-0.2

-0.6

-1

-40 -20 0 20 40 60 80 100 120

Temperature (°C)

Dead Time

UGATE1

LGATE1

12 > 1 ) Ch 1:

2) Ch 2:

TT

2 Volt 5T0 ns

2 Volt 5 0 ns

Time

VOUT1 Short

TT

UGATE1

3>

LGATE1

1>

T

TT

SS13,24

2

>

1)

2)

Ch

Ch

1:

2:

5 Volt 25 ms

2 Volt 25 ms

3) Ref A: 5 Volt 25 ms

Time

www.richtek-ic.com.tw

8

DS9238-01 July 2001

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