Features • Input voltage range of 3.0V to 5.5V • Output voltage range of 0.6V to 4.5V • 2.0A output current • High Switching Frequencies 1.6MHz (LM2832X) 0.55MHz (LM2832Y) 3.0MHz (LM2832Z) • 150m PMOS switch • 0.6V, 2% Internal Voltage Reference • Internal soft-start • Current mode, PWM operation • Thermal Shutdown • Over voltage protection Description The LM2832 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 6 Pin LLP and a 8 Pin eMSOP package. It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2832 is easy to use. The ability to drive 2.0A loads with an internal 150 m PMOS switch using state-of-the-art 0.5 µm BiCMOS technology results in the best power density available. The world-class control circuitry allows on-times as low as 30ns, thus supporting exceptionally high frequency conversion over the entire 3V to 5.5V input operating range down to the minimum output voltage of 0.6V. Switching frequency is internally set to 550 kHz, 1.6 MHz, or 3.0 MHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low stand-by current of 30 nA. The LM2832 utilizes current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output over-voltage protection. Applications • Local 5V to Vcore Step-Down Converters • Core Power in HDDs • Set-Top Boxes • USB Powered Devices • DSL Modems

LM2832X   3.00 <= V in Lower  V   <= V in Upper  V   <= 5.50 V out 0.60 <=  V <= 4.50 I out    A <= 2.00 Ambient Temperature  °C <= 100 What are WEBENCH® tools? Also Recommended LM2830▲ 1.0A Version LM2831▲ 1.5A Version LM2833▲ 3A Version MY BRIEFCASE                                       Click any "Briefcase" icon to add an item

Typical Application click for larger image	Block Diagram click for larger image
Typical Performance *click for larger image

Datasheet

Title		Size	Date	Other Language
	LM2832 High Frequency 2.0A Load - Step-Down DC-DC Regulator	899 Kbytes	2-Aug-06	日本語

Featured Application Notes

Title		Size	Date	Other Language
	AN-1553: Application Note 1553 LM2832Z 6-Pin LLP Demo Board	1726 Kbytes	8-Jan-09
	AN-1552: Application Note 1552 LM2832X 6-Pin LLP Demo Board	1727 Kbytes	8-Jan-09
	AN-1554: Application Note 1554 LM2832X 8-Pin eMSOP Demo Board	1240 Kbytes	8-Jan-09
	AN-1556: Application Note 1556 LM2832Z 8-Pin eMSOP Demo Board	1199 Kbytes	8-Jan-09
	AN-1555: Application Note 1555 LM2832Y 8-Pin eMSOP Demo Board	1144 Kbytes	8-Jan-09

More Application Notes

Title		Size	Date	Other Language
	AN-1973: Application Note 1973 Benefits and Challenges of High-Frequency Regulators	348 Kbytes	25-Jun-09
	AN-1550: Application Note 1550 LM2831X 6-Pin LLP Demo Board	1727 Kbytes	8-Jan-09

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LM2832XMY	PVIP050	0	9960	0	0	855000	5	242608584
LM2832XMYX	PVIP050	0	9960	0	0	855000	5	242608584
LM2832XSD	PVIP050	0	9960	0	0	855000	5	242608584
LM2832XSDX	PVIP050	0	9960	0	0	855000	5	242608584
LM2832YMY	PVIP050	0	9960	0	0	855000	5	242608584
LM2832YMYX	PVIP050	0	9960	0	0	855000	5	242608584
LM2832YSD	PVIP050	0	9960	0	0	855000	5	242608584
LM2832YSDX	PVIP050	0	9960	0	0	855000	5	242608584
LM2832ZMY	PVIP050	0	9960	0	0	855000	5	242608584
LM2832ZMYX	PVIP050	0	9960	0	0	855000	5	242608584
LM2832ZSD	PVIP050	0	9960	0	0	855000	5	242608584
LM2832ZSDX	PVIP050	0	9960	0	0	855000	5	242608584

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.