HIP5062 データシートの表示（PDF） - Intersil

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HIP5062

Power Control IC Single Chip Dual Switching Power Supply

Intersil 

Functional Block Diagram

HIP5062

VDDA

SLRN

V+

SFST PSOK

FLTN

XCKS

CKIN

VDDD

VDDP2

DRAIN

2

BIAS

CIRCUITS

12V

REG

VDDA

BAND GAP

REF

REG

GATE

DRIVERS

VREF = 5.1V

S

Q FLIP-FLOP

R

FAST RESET

SOURCE

2

CURRENT

MONITOR-

ING AMP

CONTROL

&

BLANKING

LOGIC

V+

MONITOR

POWER

SUPPLY

OK

VDDA

1µA

30KΩ

VDDD

1 MHz

CLOCK

MULTIPLEXER

S

FLIP-FLOP Q

R

FAST RESET

GATE

DRIVERS

VDDP1

DRAIN

1

TO gm SD

CONTROL

&

BLANKING

LOGIC

CURRENT

MONITOR-

ING AMP

SOURCE

1

IRFI2

IRF02

-

+

VCMP2

VREF TO SFST

VINP

VREG2

900Ω

gm

AMP

+

-

13.3KΩ

31.3KΩ

LOW

LOAD

+

-

VDDA

98KΩ VREF

2KΩ

TO

IFRO1

13.3KΩ

-

-

+

SHORT

CIRCUIT

VREF

50µA

LOW

LOAD +

-

VREF 98KΩ

2KΩ

TO

VREG2

11.3KΩ

OVER

VOLTAGE -

-

+

VDDD

12KΩ

VREF

THERMAL

MONITOR

45KΩ

-

+

11.3KΩ

TO VINP

TO SFST

gm

AMP +

-

gm SD

IRFI1

IRFO1

VTCN

VCMP1

VREG1

DGND

SHRT

PSEN

TMON

AGND

7

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