NCP781
www.onsemi.com
3
Table 1. PIN FUNCTION DESCRIPTION
Pin No.
DFN6 3.3 x 3.3
Pin Name Description
1 IN Positive Power Supply Input
2 EN Chip Enable pin (Active “H”)
3 NC Not Connected
4 GND Power Supply Ground
5 OUT Regulated Output Voltage
6 ADJ/SEN Output Voltage Adjust Input (Adjustable Version), Sense pin for output voltage sensing, connect
to pin 5 (Fixed Voltage Versions)
EP EP EP should be connected to GND potential
ABSOLUTE MAXIMUM RATINGS
Rating Symbol Value Unit
Input Voltage Range (Note 1) V
IN
150 V
Output Voltage Range (Note 2) V
OUT
−0.3 to 20 V V
Enable Input Range V
EN
−0.3 to (Vin + 0.3) V V
Adjustable Input Range V
ADJ
−0.3 to 5 V V
Output Short Circuit Duration t
sc
unlimited s
Maximum Junction Temperature T
J(max)
150 °C
Storage Temperature Range TSTG −55 to 150 °C
ESD Capability, Human Body Model (Notes 3, 4) ESDHBM 2 kV
ESD Charged Device Model ESD (Notes 3, 4) ESDCDM 750 V
Moisture Sensitivity Level MSL 1 −
Lead Temperature Soldering
Reflow (SMD Styles Only), Pb−Free Versions (Note 5)
T
SLD
260 °C
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 CHARACTERISTIC and APPLICATION INFORMATION for Safe operating Area
2. The device has limited reverse bias protection. Reverse bias protection feature valid only if (V
OUT
* V
IN
) < 7 V.
3. 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 Charged−Device Model ESD Capability per JEDEC JSD22−C101E
Latchup Current Maximum Rating: v150 mA per JEDEC standard: JESD78
4. Except IN and EN pins.
5. For information, please refer to our Soldering and Mounting Techniques Reference Manual, SOLDERRM/D
Table 2. THERMAL CHARACTERISTICS
Rating Symbol Value Unit
Thermal Characteristics, DFN6, 3.3 x 3.3 mm (Note 6)
Thermal Resistance, Junction−to−Air (Note 7)
R
θJA
125 °C/W
6. Refer to ELECTRICAL CHARACTERISTICS, RECOMMENDED OPERATING RANGES and/or APPLICATION INFORMATION for Safe
Operating parameters.
7. Values based on copper area of 645 mm
2
(or 1 in
2
) of 1 oz copper thickness and FR4 PCB substrate.
