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AME5253A Datasheet, PDF (5/18 Pages) Analog Microelectronics – 1A, 1.5MHz Synchronous Step-Down Converter
AME
AME5253A
1A, 1.5MHz Synchronous
Step-Down Converter
n Absolute Maximum Ratings
Parameter
Symbol
Maximum
Unit
Input Supply Voltage
EN, VOUT Voltage
SW Voltage
ESD Classification
VIN
-0.3 to 6.5
VEN, VOUT
-0.3 to VIN
V
VSW
-0.3 to VIN
B*
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device.
* HBM B: 2000V~3999V
n Recommended Operating Conditions
Parameter
Supply Voltage Voltage
Ambient Temperature Range
Junction Temperature Range
Symbol
VIN
TA
TJ
Rating
2.5 to 5.5
-40 to +85
-40 to +125
Unit
V
oC
oC
n Thermal Information
Parameter
Thermal Resistance*
(Junction to Case)
Thermal Resistance
(Junction to Ambient)
Package Die Attach Symbol Maximum Unit
θJC
SOT-25 Conductive Epoxy
θJA
81
oC / W
260
Internal Power Dissipation
PD
400
mW
Solder Iron (10Sec)**
350
oC
* Measure θJC on center of molding compound if IC has no tab.
** MIL-STD-202G 210F
Rev.A.03
5