NCV8186

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2

Figure 2. Internal Block Diagram

IN

EN

OUT

GND

VOLTAGE REFERENCE

AND

SOFT−START

FB

0.7 V

THERMAL

SHUTDOWN

VOLTAGE REFERENCE

AND

SOFT−START

0.7 V

THERMAL

SHUTDOWN

IN

EN

OUT

GND

FB

NCV8186A (with output discharge)

NCV8186B (without output discharge)

Table 1. PIN FUNCTION DESCRIPTION

Pin No. DFN8

Pin Name

Description

1

OUT

LDO output pin

2

3

N/C

Not internally connected. This pin can be tied to the ground plane to improve thermal dissipation.

4

FB

Feedback input pin

5

GND

Ground pin

6

EN

Chip enable input pin (active “H”)

7

IN

Power supply input pin

8

EPAD

EPAD

It’s recommended to connect the EPAD to GND, but leaving it open is also acceptable

Table 2. ABSOLUTE MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage (Note 1)

IN

−0.3 to 6.0

V

Output Voltage

OUT

V

Chip Enable Input

EN

−0.3 to 6.0

V

Output Current

Internally Limited

mA

Maximum Junction Temperature

125

°C

Storage Temperature

−55 to 150

°C

ESD Capability, Human Body Model (Note 2)

2000

V

ESD Capability, Machine Model (Note 2)

200

V

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

1. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area.

2. This device series incorporates ESD protection and is tested by the following methods:

ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)

ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)

Latchup Current Maximum Rating tested per JEDEC standard: JESD78

Table 3. THERMAL CHARACTERISTICS

Rating

Symbol

Value

Unit

Thermal Resistance, Junction−to−Air, DFN8 2 mm x 2 mm

93

°C/W