RT5016C datasheet(67/68 Pages) RICHTEK

67 / 68 page

RT5016C

DS5016C-02

November 2016

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Protection

Type

Threshold (Typical)

Refer to Electrical

Spec.

Protection Methods

PMU

Shutdown

Delay

Time

Reset Method

Current limit

P-MOSFET

peak current > 1.8A

N-MOSFET off,

P-MOSFET off.

Automatic reset at

next clock cycle.

100ms

VDDI power reset or

EN1234 pin set to low

FB4 UVP

FB4 < 0.4V after

soft-start end.

N-MOSFET off,

P-MOSFET off.

No-delay

VDDI power reset or

EN1234 pin set to low

CH4

Step-Down

FB4 Over

Load

Target

0.1V (Target

voltage is the chosen

one in A5.FB4 [2:0])

PMU Shutdown when

OL occur each cycle

until 100ms.

100ms

VDDI power reset or

EN1234 pin set to low

Current limit

P-MOSFET

peak current > 1.5A

N-MOSFET off,

P-MOSFET off.

Automatic reset at

next clock cycle.

100ms

VDDI power reset or

EN1234 pin set to low

VO5 UVP

FB5 < 0.4V after soft-start

end

N-MOSFET off,

P-MOSFET off.

No-delay

VDDI power reset or

EN1234 pin set to low

Target voltage is the

chosen one in

A6.VOUT5 [3:0] = 0000

(FB5 = 0.8V)

Target voltage is the

chosen one in

A6.VOUT5 [3:0] = 0001

to 0111

CH5

Step-Down

VO5 Over

Load

Target voltage is the

chosen one in

A6.VOUT5 [3:0] = 0111

to 1111

PMU Shutdown when

OL occur each cycle

until 100ms.

100ms

VDDI power reset or

EN1234 pin set to low

CH6 LDO

Max. output

current

(current limit)

P-MOSFET current >

0.45A (PVD6 = 1.5V,

VO6 = 1.3V)

P-MOSFET off.

100ms

VDDI power reset or

EN1234 pin set to low

Current limit

(Step-Up

mode)

N-MOSFET

current > 0.8A

N-MOSFET off,

P-MOSFET off.

Automatic reset at

next clock cycle.

100ms

VDDI power reset or

EN1234 pin set to low

PVDD7 > 16V

(A0.OVP7 = 0)

CH7

WLED

PVDD7 OVP

PVDD7 > 25V

(A0.OVP7 = 1)

N-MOSFET off,

P-MOSFET off.

Shutdown CH7 by

self

No-delay

VDDI power reset and

A2.EN7_DIM7 [4:0]

reset or EN1234 pin

set to low

CH8 LDO

Max. output

current

(current limit)

P-MOSFET

current > 0.45A

(PVD6 = 3V, VO6 = 2.5V)

P-MOSFET off.

100ms

VDDI power reset or

EN1234 pin set to low

Thermal

shutdown

Temperature > 155

C

All channels stop

switching

No-delay

Temperature

< (155

20)C

VIN UVLO

VIN < 3.3V

No-charge

No-delay

No latch

VIN

VIN OVP

VIN > 6.5V

No-charge

No-delay

No latch

RT5016C Datasheet(PDF) 67 Page - Richtek Technology Corporation

RT5016C Datasheet(HTML) 67 Page - Richtek Technology Corporation

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