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| SM72445_15 Datasheet, PDF (5/20 Pages) Texas Instruments – SM72445 Programmable Maximum Power Point Tracking Controller With Adjustable PWM Frequency | |||
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SM72445
www.ti.com
SNVS795 â 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 TJ = 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
IA + ID
Total Supply Current
PWM OUTPUT CHARACTERISTICS
4.75
5
5.25
V
-
11.5
16.5
mA
A2 High Frequency Setting:
fPWM
tDEAD
PWM switching frequency
Dead time (for Buck switch node
and for Boost switch node)
170
215
250
kHz
54
ns
A2 MediumFrequency Setting:
fPWM
PWM switching frequency
tDEAD
Dead time
A2 Low Frequency Setting:
105
135
155
kHz
87
ns
fPWM
tDEAD
PWM switching frequency
Dead time
85
110
125
kHz
106
ns
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: SM72445
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