CS2001 - ON Semiconductor

CS2001 100mA Linear Regulator

CS2001 1.2 A Switching Regulator, and 5.0 V, 100 mA Linear Regulator with RESET The CS2001 is a smart power supply ASIC utilized in automotive airbag systems. It contains a current−mode switching regulator with a 1.2 A on−chip switch and a 5.0 V, 100 mA linear regulator. The linear output capacitor must be 3.3 μF or greater with an ESR in the range of 100 m.

Features

• Linear Regulator 5.0 V ±2% @ 100 mA
• Switching Regulator 1.2 A Peak Internal Switch
• Voltage Tripler
• Smart Functions − Smartswitch − RESET − Energy Reserve Status
• Protection − Overtemperature − Current Limit − 50 V Peak Transient Capability
• Internally Fused Leads in SO−20L Package http://onsemi.com 20 1 SO−20L DWF SUFFIX CASE 751D MARKING DIAGRAM 20 CS2001 AWLYYWW 1 A WL YY WW = Assembly Location = Wafer Lot = Year = Work Week PIN CONNECTIONS 1 VER VBAT VFB GND1 GND2 GND3 GND4 VSW SWSD COMP 20 VOUT RESETB NERD GND8 GND7 GND6 GND5 VCHG IBIAS CPUMP ORDERING INFORMATION Devic.