Datasheet
Table Of Contents
- Features
- Applications
- Description
- Absolute Maximum Ratings
- Operating Ratings
- Electrical Characteristics
- Typical Performance Characteristics
- Simplified Block Diagram
- Applications Information
- THEORY OF OPERATION
- SOFT-START
- OUTPUT OVERVOLTAGE PROTECTION
- UNDERVOLTAGE LOCKOUT
- CURRENT LIMIT
- THERMAL SHUTDOWN
- Design Guide
- Calculating Efficiency, and Junction Temperature
- Thermal Definitions
- WSON Package
- LM2832X Design Example 1
- LM2832X Design Example 2
- LM2832X Design Example 3
- LM2832Y Design Example 4
- LM2832Y Design Example 5
- LM2832Z Design Example 6
- LM2832Z Design Example 7
- LM2832X Dual Converters with Delayed Enabled Design Example 8
- LM2832X Buck Converter & Voltage Double Circuit with LDO Follower Design Example 9
- Revision History
GND
FB
EN
V
IN
SW
V
IN
= 5V
C1
R3
D1
L1
LM2832
R2
R1
C2
V
O
= 1.2V @ 2.0A
LM2832
SNVS455A –AUGUST 2006–REVISED APRIL 2013
www.ti.com
LM2832Z Design Example 7
Figure 34. LM2832Z (3MHz): Vin = 5V, Vo = 1.2V @ 2.0A
Table 8. Bill of Materials
Part ID Part Value Manufacturer Part Number
U1 2.0A Buck Regulator TI LM2832Z
C1, Input Cap 22µF, 6.3V, X5R TDK C3216X5ROJ226M
C2, Output Cap 2x22µF, 6.3V, X5R TDK C3216X5ROJ226M
D1, Catch Diode 0.4V
f
Schottky 2A, 20V
R
Diodes Inc. B220/A
L1 4.7µH, 2.7A Coilcraft DS3316P-472
R2 10.0kΩ, 1% Vishay CRCW08051002F
R1 10.0kΩ, 1% Vishay CRCW08051002F
R3 100kΩ, 1% Vishay CRCW08051003F
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