Richtek RT8577ZQW

Mounting Type

Surface Mount

Package / Case

20-WQFN Exposed Pad

Supplier Device Package

20-WQFN (5x5)

EU RoHS

Compliant

ECCN (US)

EAR99

Automotive

No

PPAP

No

Minimum Operating Supply Voltage (V)

9

Maximum Operating Supply Voltage (V)

28

Typical Operating Supply Voltage (V)

12|15|18|24

Maximum Supply Current (uA)

5000(Typ)

Maximum Power Dissipation (mW)

2778

Minimum Operating Temperature (°C)

-40

Maximum Operating Temperature (°C)

85

Mounting

Surface Mount

Package Height

0.75(Max)

Package Width

5.1(Max)

Package Length

5.1(Max)

PCB changed

20

Supplier Package

WQFN EP

Package

Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;

Mfr

Richtek USA Inc.

Product Status

Active

Operating Temperature

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

-40°C ~ 85°C (TA)

Series

-

Part Status

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

Active

Type

DC DC Regulator

Applications

Backlight

Frequency

100kHz ~ 1MHz

Pin Count

a count of all of the component leads (or pins)

20

Number of Outputs

4

Voltage - Output

45V

Topology

Step-Up (Boost)

Current - Output / Channel

-

Internal Switch(s)

Yes

Dimming

PWM

Number of Segments

60

Voltage - Supply (Max)

28V

Voltage - Supply (Min)

9V