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LM3478 Arkusz danych(PDF) 8 Page - Texas Instruments

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Numer części LM3478
Szczegółowy opis  High-Efficiency Low-Side N-Channel Controller for Switching Regulator
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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LM3478 Arkusz danych(HTML) 8 Page - Texas Instruments

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VIN
DR
FA/SD
FB
COMP
PGND
Under Voltage
Lockout
7.2V
LDO
internal Vcc
S
R
Q
DRIVER
Fixed Frequency
Detect
Oscillator
PWM
Isen
AGND
Softstart
logic
325mV
Short Circuit
Comparator
Vfb+Vovp
OVP
1.26V Reference
Gm
internal slope
compensation
THERMAL
LIMIT
(165°C)
slope compensation
ramp adjust current
source
Error
Amplifier
LM3478
LM3478-Q1
SNVS085V – JULY 2000 – REVISED FEBRUARY 2013
www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified, VIN = 12V, TJ = 25°C.
Duty Cycle vs
Current Sense Voltage
Figure 22.
FUNCTIONAL BLOCK DIAGRAM
Figure 23.
8
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Product Folder Links: LM3478 LM3478-Q1


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