Datasheet
Simplified application schematic PM6644
8/35 Doc ID 023203 Rev 1
1.2 Absolute maximum ratings
1.3 Thermal data
1.4 Recommended operating conditions
Table 3. Absolute maximum ratings
Parameter Value Unit
VIN to GND -0.3 to 35 V
EN, SW, TON to GND -0.3 to VIN +0.3 V
VCC, BYP -0.3 to 6 V
REF, FB to GND -0.3 to VCC +0.3 V
REF3 to GND -0.3 to BYP +0.3 V
Power dissipation at Tamb = 25 °C 2.25 W
Maximum withstanding voltage range test condition: CDF-AECQ100-
002- “human body model” acceptance criteria: “normal performance”.
±1000 V
Table 4. Thermal data
Symbol Parameter Value Unit
R
thj-a
Thermal resistance junction to ambient 45 °C/W
T
j
Junction operating temperature range -40 to 125 °C
Table 5. Recommended operating conditions
Symbol Parameter
Value
Unit
Min. Typ. Max.
VIN Input voltage range 4.5 25 V
EN EN voltage range 0 25 V
BYP BYP operative voltage range 0 5 V
Switching regulator
embedded high-side
MOSFET
(1)
RMS current capability
300 mA
Switching regulator
embedded low-side
MOSFET
300 mA
1. Refer to Section 3.1.4: Maximum RMS output current.