M62220L/FP 3.3 V Fixed Output Voltage DC/DC Converter REJ03D0846-0300 Rev.3.00 Jun 15, 2007 General Description The M62220 is a general purpose DC/DC converter which provides a 3.3 V fixed output voltage. It is possible to simplify the peripheral circuit and to design compact and low cost sets because this IC, housed in a small 5 or 8-pin package includes necessary peripheral components. Especially this is most suitable for CD-ROM, Disk Drive sets and PDA as a converter from 5 V to 3.3 V. Features • • • • • Wide operation supply voltage range: 4 to 15 V Low power consumption: 900 µA (max.) Built-in oscillator without external components (110 kHz typ.) Built-in over current protection circuit Small size 5-pin SIP and 8-pin SOP packages Applications CD-ROM, PDA, general purpose electric products Block Diagram Over current detection resistor VCC CLM 4 3 Current limit circuit IN 5 − OP Amp + 1.25 V PWM Comp 1 Collector + + − OSC (110 kHz) 2 GND OUT + REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 1 of 6 M62220L/FP Pin Arrangement M62220L M62220FP 5 IN 4 VCC 3 CLM 2 GND 1 Collector Collector 1 8 NC GND 2 7 NC CLM 3 6 NC VCC 4 5 IN (Top view) Outline: 5P5T REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 2 of 6 (Top view) NC : No connection Outline: PRSP0008DE-C (recommend) PRSP0008DA-A (8P2S-A) (not recommend for new design) M62220L/FP Absolute Maximum Ratings (Ta = 25°C, unless otherwise noted) Item Supply voltage Symbol VCC Ratings 16 Unit V Output current Power dissipation Conditions IO Pd 100 450 mA mW Ta = 25°C 5-pin SIP Thermal derating Kθ 440 4.5 mW mW/°C Ta = 25°C 8-pin SOP 5-pin SIP Operating temperature Topr 4.4 −20 to +85 mW/°C °C Storage temperature Tstg −40 to +125 °C 8-pin SOP Electrical Characteristics (Ta = 25°C, VCC = 5 V, unless otherwise noted) Limits Block Item Symbol Min Typ Max Unit Test Conditions Supply voltage VCC 4.0 15 V Supply current Output voltage ICC VO 3.15 660 3.30 900 3.45 µA V Without load REF line regulation IN input current Vreg-L Iin 5 100 15 300 mV µA VCC = 4 to 12 V Oscillator Oscillator frequency Maximum on duty fOSC TDUTY 65 110 90 155 kHz % CLM Output Current limit voltage Output leakage current VTHCLM ICL 120 −1 150 180 1 mV µA Output saturation voltage Vsat 0.4 0.7 V All block Error Amp. REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 3 of 6 VCC − CLM VCC = 12 V, VC = 12 V IO = 100 mA M62220L/FP Application Circuit (3.3 V Output DC/DC Converter) RCLM 0.1 Ω VIN (5 V) + 100 µF 4 3 VCC CLM 1 kΩ VOUT (3.3 V, 1 A) 5 IN 100 µF M62220 Collector 1 1 kΩ + GND 2 47 µH Figure 1 Example of the M62220L/FP Application Circuit • Current limit detection: When the voltage drop between pin 3 and pin 4 becomes more than 150 mV, the current limit detection circuit begins operating. The peak switch current "Ipk" is limited to 150 mV/RCLM. In the example of application (Figure 1), the current is limited to 1.5 A. The Expression of Circuit Constants Constants TON TOFF (TON + TOFF) MAX TOFF (MIN) TON (MAX) L (MIN) lpk RCLM Note: Expressions VO + VF VIN − VCE (sat) − VO 1 fOSC: 110 kHz (VCC = 5 V) fOSC (TON + TOFF) / ( 1 + TON TOFF ) 1 − TOFF fOSC (VIN − VCE (sat) − VO) × TON (MAX) ∆lO lO + 1 ∆lO 2 0.15 ∆VCLM: 150 mV (VCC = 5 V) Ipk VF: Forward voltage drop of an external diode. Vsat: Output saturation voltage of an external switching transistor. ∆IO: It should be set between 1/3 and 1/5 of maximum output current. An external transistor, diode and inductor should have a peak current capability of greater than "Ipk". REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 4 of 6 M62220L/FP Package Dimensions 5P5T Plastic 5pin 240mil SIP EIAJ Package Code SIP5-P-240-2.54 Weight(g) 0.22 JEDEC Code – Lead Material Cu Alloy D L A1 A A2 E Symbol 1 5 b e E1 b2 A A1 A2 b b1 b2 c D E E1 e L c b1 SEATING PLANE JEITA Package Code P-SOP8-4.4x4.85-1.27 RENESAS Code PRSP0008DE-C *1 Previous Code — MASS[Typ.] 0.1g F D 8 Dimension in Millimeters Min Nom Max – – 6.1 – – 1.4 – – 4.0 0.4 0.5 0.6 1.1 1.2 1.5 0.75 0.85 1.15 0.22 0.27 0.34 11.7 11.9 11.5 1.77 1.97 2.17 0.6 0.7 0.8 – – 2.54 – – 3.0 NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. 5 c *2 E HE bp Index mark Terminal cross section ( Ni/Pd/Au plating ) Z Reference Symbol 4 1 e *3 bp x M A A2 L1 A1 θ L y Detail F REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 5 of 6 D E A2 A1 A bp b1 c c1 θ HE e x y Z L L1 Dimension in Millimeters Min Nom Max 4.65 4.85 5.05 4.2 4.4 4.6 1.85 0.00 0.1 0.20 2.03 0.34 0.4 0.46 0.15 0.20 0.25 0° 8° 5.7 6.2 6.5 1.12 1.27 1.42 0.12 0.10 0.75 0.25 0.45 0.65 0.90 M62220L/FP JEITA Package Code P-SOP8-4.4x5-1.27 RENESAS Code PRSP0008DA-A MASS[Typ.] 0.07g E 5 *1 HE 8 Previous Code 8P2S-A F 1 NOTE) 1. DIMENSIONS "*1" AND "*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION "*3" DOES NOT INCLUDE TRIM OFFSET. 4 Index mark c A2 *2 A1 D L A Reference Symbol *3 e bp y D E A2 A1 A bp c Detail F HE e y L REJ03D0846-0300 Rev.3.00 Jun 15, 2007 Page 6 of 6 Dimension in Millimeters Min Nom Max 4.8 5.0 5.2 4.2 4.4 4.6 1.5 0.05 1.9 0.35 0.4 0.5 0.13 0.15 0.2 0° 10° 5.9 6.2 6.5 1.12 1.27 1.42 0.1 0.2 0.4 0.6 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of Renesas or any third party with respect to the information in this document. 2. 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