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LM3000 датащи(PDF) 3 Page - Texas Instruments

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номер детали LM3000
подробное описание детали  Dual Synchronous Emulated Current-Mode Controller
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LM3000 датащи(HTML) 3 Page - Texas Instruments

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DAP (should be tied to SGND on
board)
ILIM2
HG2
VCB2
SGND
CLKOUT
EA2_GND
FB2
COMP2
ILIM1
HG1
VCB1
VDD
EA1_GND
FB1
COMP1
PGOOD1
LM3000
LLP-32
5x5x0.8mm body size
0.5mm pitch
LM3000
www.ti.com
SNVS612A – JULY 2009 – REVISED JULY 2009
Connection Diagram
Figure 1. Top View
32-Lead LLP
Pin Functions
Pin Descriptions
Pin #
Name
Description
1
VSW2
Switch node sense for channel 2.
2
PGND2
Power ground for channel 2 low-side drivers.*
3
LG2
Channel 2 low-side gate drive for external MOSFET.
4
VIN
Chip supply voltage, input to the VDD and VDR regulators. (3.3V to 18.5V)
5
VDR
Supply for low-side gate drivers.
6
LG1
Channel 1 low-side gate drive for external MOSFET.
7
PGND1
Power ground for channel 1 low-side drivers.*
8
VSW1
Switch node sense for channel 1.
9
ILIM1
Current limit setting input for channel 1.
10
HG1
Channel 1 high-side gate drive for external MOSFET.
11
VCB1
Boost voltage for channel 1 high-side driver.
12
VDD
Supply for control circuitry.
13
EA1_GND
Error amplifier ground sense for channel 1.*
14
FB1
Error amplifier input for channel 1.
15
COMP1
Error amplifier output for channel 1.
16
PGOOD1
Power good signal for channel 1 under-voltage and over-voltage.
Copyright © 2009, Texas Instruments Incorporated
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