AP1533 Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP1533 Datasheet PDF : 9 Pages
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Block Diagram
VCC
AP1533
PWM CONTROL 1.8A STEP-DOWN CONVERTER
Output
Oscillation
Circuit
Reference
Voltage Source
Thermal
Shutdown
PWM-Switched
+
Control Circuit
-
FB
VEN
90uA
VSS
EN
OCSET
Absolute Maximum Ratings
Symbol
Parameter
Rating
ESD HBM Human Body Model ESD Protection
8
ESD MM Machine Model ESD Protection
500
VCC
VFB
VEN
VOUT
PD
TJ
TST
VCC Pin Voltage
Feedback Pin Voltage
EN Pin Voltage
Switch Pin Voltage
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
VSS - 0.3 to VSS + 24
VSS - 0.3 to VCC
VSS - 0.3 to VIN + 0.3
VSS - 0.3 to VIN + 0.3
Internally limited
-20 to +125
-65 to +150
Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage.
These values must therefore not be exceeded under any conditions.
Recommended Operating Conditions
Symbol
VIN
IOUT
TA
Parameter
Input Voltage
Output Current
Operating Ambient Temperature
Min
Max
4
23
0
1.8
-25
85
Unit
KV
V
V
V
V
V
mW
oC
oC
Unit
V
A
oC
AP1533 Rev. 4
DS31192
3 of 9
www.diodes.com
JULY 2009
© Diodes Incorporated
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