JAJSAH6H January   2006  – October 2017 LM3100

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
    1.     Device Images
      1.      代表的なアプリケーション
  4. 改訂履歴
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Hysteretic Control Circuit Overview
    4. 7.4 Device Functional Modes
      1. 7.4.1 Start-up Regulator (VCC)
      2. 7.4.2 Regulation Comparator
      3. 7.4.3 Over-Voltage Comparator
      4. 7.4.4 ON-Time Timer, Shutdown
      5. 7.4.5 Current Limit
      6. 7.4.6 N-Channel Buck Switch and Driver
      7. 7.4.7 Soft-Start
      8. 7.4.8 Thermal Protection
  8. Applications and Implementation
    1. 8.1 Applications Information
      1. 8.1.1 External Components
        1. 8.1.1.1 RFB1 and RFB2
        2. 8.1.1.2 RON
        3. 8.1.1.3 L
        4. 8.1.1.4 CVCC
        5. 8.1.1.5 CO and CO3
        6. 8.1.1.6 CIN and CIN3
        7. 8.1.1.7 CBST
        8. 8.1.1.8 CSS
        9. 8.1.1.9 CFB
    2. 8.2 Typical Application
  9. Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 PC Board Layout
  10. 10デバイスおよびドキュメントのサポート
    1. 10.1 ドキュメントの更新通知を受け取る方法
    2. 10.2 コミュニティ・リソース
    3. 10.3 商標
    4. 10.4 静電気放電に関する注意事項
    5. 10.5 Glossary
  11. 11メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Typical Characteristics

All curves taken at VIN = 18 V with configuration in typical application circuit for VOUT = 3.3 V shown in this datasheet. TA = 25°C, unless otherwise specified.
LM3100 20174718.gif
Figure 1. Quiescent Current, IIN vs VIN
LM3100 20174720.gif
Figure 3. VCC vs VIN
LM3100 20174722.gif
Figure 5. Switching Frequency, FSW vs VIN
LM3100 20174724.gif
Figure 7. RDS(ON) vs Temperature
LM3100 20174726.gif
VOUT = 3.3 V
Figure 9. VOUT Regulation vs Load Current
LM3100 20174728.gif
VOUT = 0.8 V
Figure 11. VOUT Regulation vs Load Current
LM3100 20174730.png
VOUT = 3.3 V, 1.5 A Loaded
Figure 13. Enable Transient
LM3100 20174732.png
VOUT = 3.3 V, 1.5 A Loaded
Figure 15. Continuous Mode Operation
LM3100 20174734.png
VOUT = 3.3 V, 0.15 A - 1.5 A Load
Figure 17. CCM to DCM Transition
LM3100 20174719.gif
Figure 2. VCC vs ICC
LM3100 20174721.gif
Figure 4. TON vs VIN
LM3100 20174723.gif
Figure 6. VFB vs Temperature
LM3100 20174725.gif
VOUT = 3.3 V
Figure 8. Efficiency vs Load Current
LM3100 20174727.gif
VOUT = 0.8 V
Figure 10. Efficiency vs Load Current
LM3100 20174729.png
VOUT = 3.3 V, 1.5 A Loaded
Figure 12. Power Up
LM3100 20174731.png
VOUT = 3.3 V, 1.5 A Loaded
Figure 14. Shutdown Transient
LM3100 20174733.png
VOUT = 3.3 V, 0.15 A Loaded
Figure 16. Discontinuous Mode Operation
LM3100 20174735.png
VOUT = 3.3 V, 0.15 A - 1.5 A Load Current slew-rate: 2.5 A/µs
Figure 18. Load Transient