MIC2179-3.3YSM Micrel Inc, MIC2179-3.3YSM Datasheet - Page 12

• Manufacturer Part Number: MIC2179-3.3YSM
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,SSOP,20PIN,PLASTIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2179-3.3YSM

• Lead Free Status: Lead free
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1.5A
• Frequency - Switching: 200kHz
• Voltage - Input: 4.5 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Power - Output: -
• Other names: 576-1711-5; MIC2179-3.3YSM

The feedback resistors, RC compensation network, and
BIAS pin bypass capacitor should be located close to their
respective pins. To prevent ground bounce, their ground
traces and SGND should not be in the path of switching
Suggested Manufacturers List
June 2009
Inductors
Coilcraft
1102 Silver Lake Rd.
Cary, IL 60013
tel: [phone]
fax: [phone]
Coiltronics
6000 Park of Commerce Blvd.
Boca Raton, FL 33487
tel: [phone]
fax: [phone]
Bi Technologies
4200 Bonita Place
Fullerton, CA
tel: [phone]
fax: [phone]
Capacitors
AVX Corp.
801 17th Ave. South
Myrtle Beach, SC 29577
tel: [phone]
fax: [phone]
Sanyo Video Components Corp.
2001 Sanyo Ave.
San Diego, CA 92173
tel: [phone]
fax: [phone]
Sprague Electric
Lower Main St.
60005 Sanford, ME 04073
tel: [phone]
12
currents returning to the power supply ground bus. SGND
and PGND should be tied together by a ground plane that
extends under the MIC2179.
Diodes
General Instruments (GI)
10 Melville Park Rd.
Melville, NY 11747
tel: [phone]
fax: [phone]
International Rectifier Corp.
233 Kansas St.
El Segundo, CA 90245
tel: [phone]
fax: [phone]
Motorola Inc.
MS 56-126
3102 North 56th St.
Phoenix, AZ 85018
tel: [phone]
fax: [phone]
Transistors
Siliconix
2201 Laurelwood Rd.
Santa Clara, CA 96056
tel: [phone]
M9999-063009