ZHCS537P September 2008 – November 2014 LM22670 , LM22670-Q1
PRODUCTION DATA.
- 1 特性
- 2 應用
- 3 說明
- 4 修訂歷史記錄
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Detailed Description
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11器件和文檔支持
- 12機械、封裝和可訂購信息
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- DDA|8
訂購信息
5 Pin Configuration and Functions
HSOP Package
8-Pin
Top View
TO-263 Package
7-Pin
Top View
Pin Functions
| PIN | TYPE | DESCRIPTION | APPLICATION INFORMATION | ||
|---|---|---|---|---|---|
| NAME | SO PowerPAD-8 Package | PFM Package | |||
| BOOT | 1 | 3 | I | Bootstrap input | Provides the gate voltage for the high side NFET. |
| NC | 2 | — | — | Not Connected | Pin is not electrically connected inside the chip. Pin does function as thermal conductor. |
| RT/SYNC | 3 | 5 | I | Oscillator mode control input | Used to control oscillator mode of regulator. See Switching Frequency Adjustment and Synchronization and Self-Synchronization of data sheet. |
| FB | 4 | 6 | I | Feedback input | Feedback input to regulator. |
| EN | 5 | 7 | I | Enable input | Used to control regulator start-up and shut-down. See Precision Enable and UVLO of data sheet. |
| GND | 6 | 4 | — | Ground input to regulator; system common |
System ground pin. |
| VIN | 7 | 2 | I | Input voltage | Supply input to the regulator. |
| SW | 8 | 1 | O | Switch output | Switching output of regulator. |
| EP | EP | EP | — | Exposed Pad | Connect to ground. Provides thermal connection to PCB. See Application and Implementation. |