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LM3017 数据表(PDF) 2 Page - Texas Instruments

部件名 LM3017
功能描述  High Efficiency Low-Side Controller with True Shutdown
Download  34 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM3017 数据表(HTML) 2 Page - Texas Instruments

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30180903
LM3017
SNOSC66C – MARCH 2012 – REVISED MARCH 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
CONNECTION DIAGRAM
10-PIN VQFN
TOP VIEW
PIN DESCRIPTIONS
PIN
DESCRIPTION
FUNCTION
NAME
NO.
Output of internal regulator powering low side NMOS driver. A minimum of 0.47µF
VCC
1
Driver supply voltage pin
must be connected from this pin to PGND for proper operation.
Low-side NMOS gate driver
DR
2
Output gate drive to low side NMOS gate.
output
Ground for power section. External power circuit reference. Should be connected
PGND
3
Power Ground
to AGND at a single point.
High side NMOS gate driver
VG
4
Output gate drive to high side NMOS gate.
output
This input provides for chip enable, and mode selection. See functional description
EN/MODE
5
Multi-function input pin
for details.
Negative input to error amplifier. Connect to feed-back resistor tap to regulate
FB
6
Feed-back input pin
output.
A resistor and capacitor combination connected to this pin provides frequency
COMP
7
Compensation pin
compensation for the regulator control loop.
AGND
8
Analog Ground
Ground for analog control circuitry. Reference point for all stated voltages.
ISEN
9
Current sense input
Current sense input, with respect to Vin, for all current limit functions.
Input supply to regulator. See applications section for recommendations on bypass
VIN
10
Power Supply input pin
capacitors on this pin.
2
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Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links :LM3017


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