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SM72445 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza SM72445
Descripción Electrónicos  SM72445 Programmable Maximum Power Point Tracking Controller With Adjustable PWM Frequency
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Fabricante Electrónico  TI [Texas Instruments]
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SM72445 Datasheet(HTML) 5 Page - Texas Instruments

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SM72445
www.ti.com
SNVS795 – MARCH 2012
ELECTRICAL CHARACTERISTICS (continued)
Specifications in standard typeface are for TJ = 25°C, and those in boldface type apply over the full operating junction
temperature range.
(1). Typical values represent the most likely parametric norm at T
J = 25°C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: VD=VA=5V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
POWER SUPPLY CHARACTERISTICS (CL = 10 pF)
VA ,VD
Analog and Digital Supply Voltages
VA ≥ VD
4.75
5
5.25
V
IA + ID
Total Supply Current
-
11.5
16.5
mA
PWM OUTPUT CHARACTERISTICS
A2 High Frequency Setting:
fPWM
PWM switching frequency
170
215
250
kHz
Dead time (for Buck switch node
tDEAD
54
ns
and for Boost switch node)
A2 MediumFrequency Setting:
fPWM
PWM switching frequency
105
135
155
kHz
tDEAD
Dead time
87
ns
A2 Low Frequency Setting:
fPWM
PWM switching frequency
85
110
125
kHz
tDEAD
Dead time
106
ns
Copyright © 2012, Texas Instruments Incorporated
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