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