M62216FP/GP Low Voltage Operation STEP-UP DC/DC Converter REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Description The M62216FP is designed as low voltage operation STEP-UP DC/DC converter. This IC can operate very low input voltage (over 0.9 V) and low power dissipation. (circuit current is less than 850 µA) So, this IC suitable for power supply of portable system that using low voltage battery. (DRY battery, rechargeable battery) Features • • • • • • Pre-drive type PWM output (Pre-drive only) Low voltage operation: VIN = 0.9 V min. Low current dissipation: IB = 850 µA typ. Pre-drive output current can be adjusted Built-in ON/OFF Function: IB (OFF) = 35 µA typ. Application for STEP-DOWN Converter can be used Application DC/DC Converter for portable sets of battery used Block Diagram ON/OFF 7 VREF 8 BIAS 1 DRIVE2 2 DRIVE1 3 PWM Iconst OSC − + + + − Amp PWM Comp Start Start OSC 6 5 4 IN FB GND REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 1 of 11 M62216FP/GP Pin Arrangement M62216FP/GP DRIVE2 1 8 BIAS DRIVE1 2 7 ON/OFF PWM 3 6 IN GND 4 5 FB (Top view) Outline: PRSP0008DE-C [FP] (recommend) PRSP0008DA-A (8P2S-A) [FP] (not recommend for new design) 8P2X-A [GP] REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 2 of 11 M62216FP/GP Absolute Maximum Ratings (Ta = 25°C, unless otherwise noted) Item Symbol Ratings 15.5 Units V Input voltage VIN Bias terminal supply voltage Drive1 terminal supply voltage VBlAS VDRIVE1 15.5 15.5 V V Drive2 terminal supply voltage Drive1 terminal input current VDRIVE2 IDRIVE1 15.5 100 V mA Drive2 terminal Input current IDRIVE2 10 mA Power dissipation Operating temperature Pd Topr 440 (FP) 250 (GP) −20 to +85 mW °C Storage temperature Tstg −40 to +150 °C Conditions Ta = 25°C Electrical Characteristics (Ta = 25°C, VIN = 1.7 V, VOUT = VBIAS = 3.0 V, unless otherwise noted) Block All device Item Symbol Error Amp. Osc. Output ON/OFF Note: Limits Typ Max Units Test Condition VIN 0.9 15 V BIAS voltage setting range* BIAS current VBlAS IB 1.7 850 15 1200 V µA BIAS current at off mode Reference voltage IB (OFF) VREF 1.20 35 1.26 47 1.32 µA V BIAS voltage regulation of VREF Input current ∆VREF IIN 10 20 30 mV nA VBIAS = 1.7 to 15 V IN = 1 V/IM Open loop voltage gain AV 70 dB Input voltage range 1 Voltage reference Min Use internal amp as Buffer-amp FB terminal sink current IFB+ 260 800 µA fIN = 100 Hz, null amp operation IN = 1.4 V, FB = 1.25 V/IM FB terminal source current Oscillation frequency IFB− fOSC 30 95 45 125 60 155 µA kHz IN = 1.1 V, FB = 1.25 V/IM PWM terminal monitored Maximum on duty DUTYmax 82 87 92 % Saturation voltage between PWM Term. and DRIVE1 Term. Vsat1 0.25 0.5 V PWM terminal monitored, IN = 1.1 V IDRIVE1 = 50 mA, IDRIVE2 = 5 mA Saturation voltage between PWM Term. and DRIVE2 Term. Leak current of DRIVE1 terminal Vsat2 1.0 1.2 V IL1 −1 1 µA IN = 1.4 V Leak current of DRIVE2 terminal Output low voltage of PWM terminal IL2 VPWM (L) −1 0.03 1 0.3 µA V IN = 1.4 V IPWM = 1 mA Input current of ON/OFF terminal at on status Threshold voltage of ON/OFF terminal ION 2 3 µA VTH (ON) 0.65 0.75 V 1. Setting range of BlAS voltage as same as setting range of output voltage. REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 3 of 11 M62216FP/GP Application Circuit (1) Standard application circuit VIN CIN L + VOUT Di + 7 ON/OFF BIAS 8 DRIVE2 1 DRIVE1 2 PWM 3 Co RD2 RD1 IN FB GND 6 5 4 VIN : 0.9~14 V VOUT : 1.7~15 V (VOUT > VIN) R1 Tr R2 (2) Application circuit 1 (VIN ≥ 1.7 V) VIN CIN L + VOUT Di + 7 ON/OFF BIAS 8 DRIVE2 1 DRIVE1 2 PWM 3 RD2 RD1 IN FB GND 6 5 4 REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 4 of 11 R1 Tr R2 Co VIN : 1.7~14 V VOUT : 2.5~15 V (VOUT > VIN) M62216FP/GP (3) Application circuit 2 (VOUT > 15 V) L VIN CIN Di VOUT + + 7 ON/OFF BIAS Co 8 RD2 DRIVE2 1 RD1 R1 DRIVE1 2 VIN : 1.7~15 V VOUT : 15 V~ (VOUT > VIN) Tr IN FB GND 6 5 4 PWM 3 R2 (4) Application circuit for STEP-DOWN circuit VIN Tr CIN + VOUT L 7 + Di ON/OFF Co BIAS 8 RD2 DRIVE2 1 DRIVE1 2 IN FB GND 6 5 4 REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 5 of 11 RD1 R1 PWM 3 R2 VIN : 2.0~15 V VOUT : 1.7~14 V (VOUT < VIN) M62216FP/GP Typical Characteristics BIAS Current vs. BIAS Voltage (Ta = 25°C) Thermal Derating (Absolute Maximum Rating) 1.6 500 BIAS Current IB (mA) Power Dissipation Pd (mW) 600 FP 400 300 GP 200 100 1.0 0.8 0.4 0 25 50 75 100 125 0 150 2 4 6 8 10 12 14 Ambient Temperature Ta (°C) BIAS Voltage VBIAS (V) BIAS Current vs. Ambient Temperature OFF State BIAS Current vs. BIAS Voltage (ON/OFF = GND) 80 1.6 VBIAS = 1.7 V VBIAS = 3.0 V VBIAS = 15 V 1.4 OFF State BIAS Current IB (OFF) (µA) BIAS Current IB (mA) 1.2 0.6 0 1.2 1.0 0.8 0.6 0.4 −40 −20 60 40 20 0 0 20 40 60 80 100 0 2 4 6 8 10 12 14 BIAS Voltage VBIAS (V) Open Loop Gain vs. Input Frequency (Vin = 0.1 Vrms, Null Amp, Ta = 25°C) FB Voltage vs. FB Sink Current (VBIAS = 3.0 V, IN = 1.4 V) FB Voltage VFB (V) 60 40 1.00 0.75 0.50 0.25 Ta = −20°C Ta = +25°C Ta = +85°C 0 0.1 1 16 1.25 VBIAS = 1.7 V VBIAS = 3.0 V VBIAS = 15 V 80 20 0.01 16 Ta = −20°C Ta = +25°C Ta = +85°C Ambient Temperature Ta (°C) 100 Open Loop Gain AV (dB) 1.4 10 Input Frequency fin (kHz) REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 6 of 11 100 0 0.2 0.4 0.6 0.8 1.0 1.2 FB Sink Current IFB+ (mA) 1.4 M62216FP/GP Oscillating Frequency vs. BIAS Voltage (PWM Terminal Monitored, Ta = 25°C) FB Source Current vs. FB Voltage (VBIAS = 3.0 V, IN = 1.1 V) Oscillating Frequency fOSC (kHz) 50 40 30 20 Ta = −20°C Ta = +25°C Ta = +85°C 10 0 0.5 1.0 1.5 2.0 2.5 140 120 100 80 0 2 4 6 8 10 12 14 16 FB Voltage VFB (V) BIAS Voltage VBIAS (V) Oscillating Frequency vs. Ambient Temperature (PWM Terminal Monitored, IN = 1.1 V) Max ON Duty vs. BIAS Voltage (PWM Terminal Monitored, IN = 1.1 V, Ta = 25°C) 100 160 VBIAS = 1.7 V VBIAS = 3.0 V VBIAS = 15 V 140 120 100 80 −40 −20 95 90 85 80 75 0 20 40 60 80 100 0 2 4 6 8 10 12 14 16 Ambient Temperature Ta (°C) BIAS Voltage VBIAS (V) Max ON Duty vs. Ambient Temperature (PWM Terminal Monitored, IN = 1.1 V) Saturation Voltage Between PWM-DRIVE1 Terminal vs. Input Current of DRIVE1 Terminal (IDRIVE2 = 5 mA, IN = 1.1 V, Ta = 25°C) 100 Max ON Duty DUTYmax (%) 160 3.0 Max ON Duty DUTYmax (%) Oscillating Frequency fOSC (kHz) 0 VBIAS = 1.7 V VBIAS = 3.0 V VBIAS = 15 V 95 90 85 80 75 −40 −20 Saturation Voltage Between PWM-DRIVE1 Terminal Vsat1 (V) FB Source Current IFB− (µA) 60 1.0 VBIAS = 1.7 V VBIAS = 3.0 V VBIAS = 9.0 V VBIAS = 15 V 0.8 0.6 0.4 0.2 0 0 20 40 60 80 Ambient Temperature Ta (°C) REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 7 of 11 100 0 10 20 30 40 50 60 70 Input Current of DRIVE1 Terminal IDRIVE1 (mA) M62216FP/GP Saturation Voltage Between PWM-DRIVE1 Terminal vs. Input Current of DRIVE1 Terminal (VBIAS = 3.0 V, IN = 1.1 V, Ta = 25°C) Saturation Voltage Between PWM-DRIVE2 Terminal vs. Input Current of DRIVE2 Terminal (IN = 1.1 V, Ta = 25°C) 1.7 0.4 0.3 0.2 IDRIVE2 = 2 mA IDRIVE2 = 5 mA IDRIVE2 = 10 mA 0.1 0 40 60 80 100 120 1.5 1.3 1.1 0.9 0.7 0 2 4 6 8 10 12 Input Current of DRIVE2 Terminal IDRIVE2 (mA) PWM Output Low Voltage vs. PWM Sink Current (VBIAS = 3.0 V, IN = 1.4 V) Input ON Current vs. Ambient Temperature 4.0 0.5 0.4 0.3 0.2 Ta = −20°C Ta = +25°C Ta = +85°C 0.1 0 0 2 4 6 8 10 3.0 2.0 1.0 VBIAS = VON = 1.7 V VBIAS = VON = 3.0 V VBIAS = VON = 15 V 0 −40 −20 12 0 20 40 60 80 100 PWM Sink Current (mA) Ambient Temperature Ta (°C) Threshold Voltage of ON/OFF Terminal vs. Ambient Temperature (VBIAS = 3.0 V) Max Load Current for START-UP(*1) vs. Input Voltage (Standard Application Circuit, VO = 3.0 V, Ta = 25°C) 200 Max Load Current for START-UP IOmax (mA) 1.0 Threshold Voltage of ON/OFF Terminal VTH (ON) (V) VBIAS = 1.7 V, IDRIVE1 = 20 mA VBIAS = 3.0 V, IDRIVE1 = 50 mA VBIAS = 15 V, IDRIVE1 = 40 mA Input Current of DRIVE1 Terminal IDRIVE1 (mA) 0.6 PWM Output Low Voltage VPWM (L) (V) 20 Input ON Current (µA) 0 Saturation Voltage Between PWM-DRIVE2 Terminal Vsat2 (V) Saturation Voltage Between PWM-DRIVE1 Terminal Vsat1 (V) 0.5 0.8 0.6 0.4 0.2 0 −40 −20 0 20 40 60 80 Ambient Temperature Ta (°C) REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 8 of 11 100 175 150 Tr: 2SC3052-F, L: 68 µH, RD1: 680 Ω, RD2: 1.6 kΩ Tr: 2SC3439-H, L: 22 µH, RD1: 1.3 kΩ, RD2: 3.3 kΩ 125 100 75 50 25 0 0.8 1.0 1.2 1.4 Input Voltage VIN (V) 1.6 M62216FP/GP Efficiency vs. Load Current (Standard Application circuit: VIN = 1.5 V, VO = 3.0 V, Ta = 25°C) Max Load Current for START-UP (*2) vs. Input Voltage (Application circuit1: VO = 5.0 V, Ta = 25°C) 200 Max Load Current for START-UP IOSTmax (mA) 100 Efficiency (%) 80 60 40 Tr: 2SC3052-F Tr: 2SC3439-H 20 0 1 10 100 1000 Load Current IO (mA) 175 150 125 100 Tr: 2SC3052-F, L: 150 µH, RD1: 750 Ω, RD2: 3.6 kΩ Tr: 2SC3439-H, L: 22 µH, RD1: 1.3 kΩ, RD2: 6.8 kΩ 75 50 25 0 1.5 2.0 2.5 3.0 3.5 4.0 Input Voltage VIN (V) Efficiency vs. Load Current (Application circuit1: VIN = 3.0 V, VO = 5.0 V, Ta = 25°C) 100 Efficiency (%) 80 60 40 Tr: 2SC3052-F Tr: 2SC3439-H 20 0 1 10 100 1000 Load Current IO (mA) Notes: 1, 2. These characteristics show the maximum output load current when start-up. Therefore, output voltage can grown-up to setting voltage less than a curve in the graph when using these external components value. (2SC3052-F: hFE = 250 to 500, 2SC3439-H: hFE = 600 to 1200) REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 9 of 11 M62216FP/GP Equation for Constants Calculation Constants Standard Application Circuit Application Circuit 1 Application Circuit 2 VO + VF − VIN VIN − VCE (sat) 1 fOSC VO + VF − VIN VIN − VCE (sat) 1 fOSC VO + VF − VIN VIN − VCE (sat) 1 fOSC TOFF (MIN) TON + TOFF T 1 + ON TOFF TON + TOFF T 1 + ON TOFF TON + TOFF T 1 + ON TOFF TON (MAX) 1 − TOFF (MIN) fOSC 1 − TOFF (MIN) fOSC 1 − TOFF (MIN) fOSC TON TOFF TON + TOFF lpk L (MIN) R1 2× 1+ TON × (lO + lB) TOFF (VIN − VCE (sat))2 × TON (MAX)2 × fOSC 2 × VO × (lO + lB) VO − 1 × R2 VREF 2× 1+ TON × lO TOFF (VIN − VCE (sat))2 × TON (MAX)2 × fOSC 2 × VO × lO VO − 1 × R2 VREF 2× 1+ TON × lO TOFF (VIN − VCE (sat))2 × TON (MAX)2 × fOSC 2 × VO × l O VO − 1 × R2 VREF RD1 VO − (VBE + Vsat1) (lpk/hFE) × A1 VO− (VBE + Vsat1) (lpk/hFE) × A1 VIN − (VBE + Vsat1) (lpk/hFE) × A1 RD2 VO − (VBE + Vsat2) (lpk/hFE) × A2 VO − (VBE + Vsat2) (lpk/hFE) × A2 VIN − (VBE + Vsat2) (lpk/hFE) × A2 Constants TON TOFF TON + TOFF TOFF (MIN) TON (MAX) lpk L (MIN) R1 STEP-DOWN Circuit VO + V F VIN − VCE (sat) − VO 1 fOSC TON + TOFF T 1 + ON TOFF 1 − TOFF (MIN) fOSC 2 × lO (VIN − VCE (sat) − VO) × TON (MAX) ∆lO VO − 1 × R2 VREF RD1 VO − VBE − Vsat1 lpk/hFE RD2 VIN − Vsat2 (lpk/hFE) × A3 REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 10 of 11 Note: VF: Forward voltage of external diode. VCE (sat): Saturation voltage of external transistor. VBE: Voltage between Base - Emitter of external transistor. hFE: hFE of external transistor at saturating. A1: Ratio of current into DRIVE1 terminal. (A1 = 0.8~0.9) A2: Ratio of current into DRIVE2 terminal. (A2 = 1 − A1) A3: Ratio of current into DRIVE2 terminal. (A3 = 0.1~0.2) • Set R2 to several kΩ ~ several 10ths kΩ. • Set current into DRIVE2 terminal more than 100 µA. (Ipk / hFE) × A2 ≥ 100 µA, (Ipk / hFE) × A3 ≥ 100 µA • Set ∆IO to 1/5 ~ 1/3 of maximum load current • The maximum rating of current of external parts (transistor, diode and inductor) are 1.5 to 2 times of Ipk. M62216FP/GP Package Dimensions JEITA Package Code P-SOP8-4.4x4.85-1.27 RENESAS Code PRSP0008DE-C *1 Previous Code — MASS[Typ.] 0.1g F D 8 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 ) Reference Symbol 4 1 *3 e Z bp x M A A2 L1 A1 θ L y Detail F JEITA Package Code P-SOP8-4.4x5-1.27 RENESAS Code PRSP0008DA-A 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 MASS[Typ.] 0.07g E 5 *1 HE 8 Previous Code 8P2S-A D E A2 A1 A bp b1 c c1 θ HE e x y Z L L1 Dimension in Millimeters 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 REJ03D0845-0300 Rev.3.00 Jun 15, 2007 Page 11 of 11 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. 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