ncp1578 ON Semiconductor, ncp1578 Datasheet - Page 5

• Manufacturer Part Number: ncp1578
• Description: Synchronous Step Down Controller With 50ma Linear Regulator
• Manufacturer: ON Semiconductor

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. This device is ESD sensitive. Use standard ESD precautions when handling
2. Latch–up Current Maximum Rating: ≤ 150 mA per JEDEC standard: JESD78.
ABSOLUTE MAXIMUM RATINGS
Power Supply Voltage to AGND (V
High-side Gate Drive Supply: BST to SWN
High-side FET Gate Drive Voltage: TG to SWN
Input / Output Pins (except EN_LDO and OCSET) to AGND
VBAT Input to AGND
EN_LDO Input to AGND
OCSET Input to AGND
Switch Node SWN
PGND
Thermal Characteristics
Operating Junction Temperature Range
Operating Ambient Temperature Range
Storage Temperature Range
Moisture Sensitivity Level
This device series contains ESD protection and exceeds the following tests:
QFN20 Plastic Package
Thermal Resistance Junction-to-Ambient
Human Body Model (HBM) ≤ 2.0 kV per JEDEC standard: JESD22–A114 for all pins.
Machine Model (MM) ≤ 200 V per JEDEC standard: JESD22–A115 for all pins.
CC
Rating
internally connects to LDO5)
http://onsemi.com
NCP1578
5
V
V
BST
V
Symbol
TG
V
V
V
EN_LDO
V
V
OCSET
R
MSL
T
LDO5
V
-V
VBAT
SWN
GND
-V
T
T
θJA
stg
IO
A
J
SWN
SWN,
-4 (< 100 ns),
-0.3 (dc), 32
-40 to +150
-55 to +150
-40 to +85
-0.3, 6.0
-0.3, 6.0
-0.3, 6.0
-0.3, 0.3
-0.3, 27
-0.3, 27
Value
47
1
_C/W
Unit
_C
_C
_C
V
V
V
V
V
V
V
-