NCP5050(2007) 查看數據表（PDF） - ON Semiconductor

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NCP5050
(Rev.:2007)

4.5 W Flash White LED Boost Driver

ON Semiconductor 

NCP5050

MAXIMUM RATINGS (Note 1)

Rating

Symbol

Value

Unit

Power Supply Voltage (Note 2)

Over Voltage Protection

Human Body Model (HBM) ESD Rating (Note 3)

HCS and FB Pins

PVin

7.0

V

VS

25

V

ESD HBM

2000

V

1000

Machine Model (MM) ESD Rating (Note 3)

HCS and FB Pins

ESD MM

200

V

150

Digital Input Voltage

Digital Input Current

CTRL, CM

-0.3 < Vin < Vbat + 0.3

V

1.0

mA

WDFN 3x3 Package

Power Dissipation @ TA = +85°C

Thermal Resistance, Junction-to-Case

Thermal Resistance, Junction-to-Air

PD

RqJC

RqJA

(Note 5)

10

(Note 6)

W

°C/W

Operating Ambient Temperature Range

TA

-10 to +85

°C

Operating Junction Temperature Range

Maximum Junction Temperature

TJ

TJMAX

-10 to +125

°C

+150

°C

Storage Temperature Range

Tstg

-65 to +150

°C

Moisture Sensitivity Level (Note 7)

MSL

1

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

1. Maximum electrical ratings are defined as those values beyond which damage to the device may occur at TA = 25°C.

2. According to JEDEC standard JESD22-A108B.

3. This device series contains ESD protection and passes the following tests:

Human Body Model (HBM) per JEDEC standard: JESD22-A114 for all pins.

Machine Model (MM) per JEDEC standard: JESD22-A115 for all pins.

4. Latch up Current Maximum Rating: $100 mA per JEDEC standard: JESD78.

5. The thermal shutdown set to 160°C (typical) avoids irreversible damage on the device due to power dissipation.

6. For the 10-Pin 3x3 WDFN Package, the RqJA is highly dependent on the PCB heat-sink area. For example, RqJA can be 61°C/W for 2 layers

board having 51 mm2 dissipation area on circuit side and board size ground plane on other side.

7. Per IPC/JEDEC standard: J-STD-020A.

8. The maximum package power dissipation limit must not be exceeded.

Pd

+

125 * TA

RqJA

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