XC9801/02 Series Step-Up Charge Pump ICs March 1, 2003, V6 Input Voltage Range : 1.8V ~ 5.5V Output Voltage Range : 2.5V ~ 5.2V Oscillator Frequency : 300kHz Maximum Output Current : 80mA (3.6→5V step-up) PFM (pulse skip) Operation During Light Loads (XC9802) CE (chip enable) Function MSOP-8A and USP-8 Packages Applications zPalm top computers, PDAs zOn Board Local Power Supplies zVarious Battery Powered Devices General Description Features The XC9801 series are fixed regulated voltage step-up charge pump ICs which provide stable, highly efficient, positive voltages with the only external components required being 2 capacitors. Since regulating is done via the control of the charge pump's gate voltage waveform, ripple is minimal. Output voltage is selectable in 0.1V steps within a 2.5V ~ 5.2V range. Control of XC9802 switches to PFM (pulse skip) during light loads without affecting output impedance or ripple so that the IC is protected against drops in efficiency. Connecting the SENSE pin to the GND pin allows the IC to be used as a voltage doubler. As well as the ultra small MSOP-8A and USP-8 packages, the small consumption current and high efficiencies of the series make the XC9801 suitable for use with all types of battery operated applications. Pin Configuration Output Voltage Range : 2.5V ~ 5.2V Small Input Current : 80µA (no load:XC9802) Output Current : 80mA (3.6V→ 5V step-up) Oscillator Frequency : 300kHz Stand-By Current (CE 'L') : 2.0µA (max) Can be used as a Step-Up Doubler (sense = 0V) MSOP-8A and USP-8 Package Pin Assignment SENSE 1 8 VOUT CE 2 7 C1 + VIN 3 6 C1 - PIN NUMBER SENSE 1 CE 2 VIN 3 GND 4 8 VOUT 7 C1 + 6 C1 5 PGND GND 4 USP-8 (TOP VIEW) MSOP-8A (TOP VIEW) Selection Guide SERIES XC9801 XC9802 Input Voltage Range : 1.8V ~ 5.5V FUNCTION pulse skip pulse skip × ο Ordering Information XC9801/02 DESIGNATOR B 25~52 3 DESCRIPTION True Logic Level at CE Pin : Positive Output Voltage* 5V: standard 2.5V ~ 5.2V: semi-custom 5.0V → =5, =0 Oscillator Frequency : 300kHz K Package : MSOP-8A D R Package :USP-8 Embossed tape. Standard Feed L * Avoid the following condition Embossed tape. Reverse Feed VIN < (VOUT/2) or VIN ³ VOUT 1 MSOP-8A USP-8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 PIN NAME FUNCTION SENSE CE VIN GND PGND C1 C1 + VOUT Output Voltage Monitor Chip Enable Input (power supply) Ground Power Ground External Capacitor External Capacitor + Output XC9801/02 Series Step-Up Charge Pump ICs Block Diagram C1+ C1- P1 VIN P2 VOUT N5 P3 N4 CE SENSE Chip Enable Oscillator Controler Vref GND PGND (1) Basic Operations Using the XC9801/02’s clock generated by the internal oscillator, a step-up charge pump operation can be brought about as a result of the alternate switching between operating conditions where P1 & N4 are ON with P2 & P3 OFF (or) P1 & N4 are OFF with P2 & P3 ON. By connecting the SENSE pin to VOUT, output voltage can be fedback and the difference between the feedback voltage and the reference voltage (Vref) are compared by the internal operational amplifier. Output voltage can be stabilized (Note 2) by controlling P3’s gate voltage waveform via the signal generated by the internal amplifier. Please note that this stabilizing function will not operate with VIN < (VOUT/2) or VIN ≥ VOUT. By connecting SENSE to ground, the output stability function, as described above, can be halted and the IC can be used as a step-up doubler. Note 2 : As a result of P3 gradually reaching an ON state with each clock (signal), rush current is controlled, the ripple decreases and with the combination of the independent phase compensation circuit, output voltage is stabilized (2) Stand-by Function When the voltage at CE (chip enable) is ‘low’ (0V), P1,P2 & P3 will be OFF with N4 & N5 ON. The external capacitor C1 will discharge and impedance at Vout will be high. (3) PFM (Pulse Skip) Operations Whilst maintaining output voltage, the XC9802 provides the added security of protection against drops in efficiency during light loads as a result of the pulse, generated by the internal oscillator, being skipped and the operating frequency being changed. Absolute Maximum Ratings Ta = 25 OC, GND = 0V PARAMETER VIN pin voltage VOUT pin voltage C1 + pin voltage C1 - pin voltage CE pin voltage VOUT pin output current Power dissipation MSOP-8A USP-8 Operating Temperature Storage Temperature SYMBOL VIN VOUT C1+ C1VCE IOUT Pd Topr Tstg CONDITIONS -0.3 ~ 6 -0.3 ~ 12 -0.3 ~ VOUT + 0.3 -0.3 ~ VOUT + 0.3 -0.3 ~ VIN + 0.3 200 150 TBD - 40 ~ + 85 - 40 ~ + 125 2 UNITS V V V V V mA mW O O C C XC9801/02 Series Step-Up Charge Pump ICs Electrical Characteristics XC9801B503KR VOUT=5.0V PARAMETER Output Voltage Load Regulation Operating Voltage Range Supply Current Stand-by Current Oscillator Frequency Output Impedence Input Current Voltage Converting Efficiency Power Converting Efficiency CE / 'H' Level Voltage CE / 'L' Level Voltage CE / Input Current SYMBOL VOUT ∆VOUT VIN IDD ISTB FOSC ROUT IIN IIN2 VEFFI EFFI EFFI2 EFFI3 VCEH VCEL ICE CONDITIONS IOUT=1mA Regulation Output 1mA ≤ IOUT ≤ 80mA Regulation Output Doubler Output, VOUT > VIN × 2 × 0.95 MIN. Ta=25OC TYP. MAX. UNITS 5.0 100 V mV 3 5.5 6 2.0 V mA µA IOUT=10mA 300 20 345 40 kHz Ω IOUT=10mA IOUT=1mA IOUT=80mA 5 1.5 99 78 40 69 0.25 2.0 mA mA % % % % V V µA VIN=3.6V, External Components=CIN, SENSE=0V, VOUT=VIN 4.875 -100 1.8 1 CE=0V External Component=CIN, SENSE=0V, VOUT open Doubler Output Doubler Output Regulation Output Doubler Output Doubler Output Regulation Output VIN=5.5V, SENSE=0V, External Components=CIN 255 95 73 64 1.5 -2.0 5.125 Test Conditions : Unless otherwise stated, Typical Application Circuit, VIN=3.6V, GND=0V, CE=VIN, No Load, SENSE=VIN(Regulation Output) XC9802B503KR VOUT=5.0V PARAMETER Output Voltage Load Regulation Operating Voltage Range Supply Current Stand-by Current Oscillator Frequency Switching Pulse Frequency Output Impedence Input Current Voltage Converting Efficiency Power Converting Efficiency CE / 'H' Level Voltage CE / 'L' Level Voltage CE / Input Current SYMBOL VOUT ∆VOUT VIN IDD ISTB FOSC FOSC2 ROUT IIN IIN2 VEFFI EFFI EFFI2 EFFI3 VCEH VCEL ICE CONDITIONS IOUT=1mA Regulation Output 1mA ≤ IOUT ≤ 80mA Regulation Output Doubler Output, VOUT > VIN × 2 × 0.95 VIN=3.6V, External Components=CIN, SENSE=0V, VOUT=VIN MIN. 4.875 Ta=25OC TYP. MAX. UNITS 5.0 -100 1.8 1 3 CE=0V IOUT=1mA IOUT=10mA 300 10 20 IOUT=10mA IOUT=1mA IOUT=80mA 5 0.08 99 78 59 69 External Component : CIN, SENSE=0V, VOUT open Regulation Output Doubler Output Doubler Output Regulation Output Doubler Output Doubler Output Regulation Output VIN=5.5V, SENSE=0V, External Components=CIN 255 98 73 64 1.5 -2.0 100 V mV 5.5 6 2.0 V mA µA 345 40 kHz kHz Ω 0.25 2.0 mA mA % % % % V V µA 5.125 Test Conditions : Unless otherwise stated, Typical Application Circuit, VIN=3.6V, GND=0V, CE=VIN, No Load, SENSE=VIN(Regulation Output) 3 XC9801/02 Series Step-Up Charge Pump ICs Electrical Characteristics XC9801B333KR VOUT=3.3V PARAMETER Output Voltage Load Regulation Operating Voltage Range Supply Current Stand-by Current Oscillator Frequency Output Impedence Input Current Voltage Converting Efficiency Power Converting Efficiency CE / 'H' Level Voltage CE / 'L' Level Voltage CE / Input Current SYMBOL VOUT ∆VOUT VIN IDD ISTB FOSC ROUT IIN IIN2 VEFFI EFFI EFFI2 EFFI3 VCEH VCEL ICE CONDITIONS IOUT=1mA Regulation Output 1mA ≤ IOUT ≤ 32mA Regulation Output Doubler Output, VOUT > VIN × 2 × 0.95 MIN. Ta=25OC TYP. MAX. UNITS 66 V mV 3 5.5 6 2.0 V mA µA IOUT=10mA 300 20 345 40 kHz Ω IOUT=10mA IOUT=1mA IOUT=80mA 5 1.5 99 78 40 69 0.25 2.0 mA mA % % % % V V µA VIN=3.6V, External Components=CIN, SENSE=0V, VOUT=VIN 3.218 3.3 -66 1.8 1 CE=0V External Component=CIN, SENSE=0V, VOUT open Doubler Output Doubler Output Regulation Output Doubler Output Doubler Output Regulation Output VIN=5.5V, SENSE=0V, External Components=CIN 255 95 73 64 1.5 -2.0 3.383 Test Conditions : Unless otherwise stated, Typical Application Circuit, VIN=3.6V, GND=0V, CE=VIN, No Load, SENSE=VIN(Regulation Output) XC9802B333KR VOUT=3.3V PARAMETER Output Voltage Load Regulation Operating Voltage Range Supply Current Stand-by Current Oscillator Frequency Switching Pulse Frequency Output Impedence Input Current Voltage Converting Efficiency Power Converting Efficiency CE / 'H' Level Voltage CE / 'L' Level Voltage CE / Input Current SYMBOL VOUT ∆VOUT VIN IDD ISTB FOSC FOSC2 ROUT IIN IIN2 VEFFI EFFI EFFI2 EFFI3 VCEH VCEL ICE CONDITIONS IOUT=1mA Regulation Output 1mA ≤ IOUT ≤ 32mA Regulation Output Doubler Output, VOUT > VIN × 2 × 0.95 VIN=3.6V, External Components=CIN, SENSE=0V, VOUT=VIN MIN. 3.218 Ta=25OC TYP. MAX. UNITS 3.3 -66 1.8 1 3 CE=0V IOUT=1mA IOUT=10mA 300 10 20 IOUT=10mA IOUT=1mA IOUT=80mA 5 0.08 99 78 63 69 External Component : CIN, SENSE=0V, VOUT open Regulation Output Doubler Output Doubler Output Regulation Output Doubler Output Doubler Output Regulation Output VIN=5.5V, SENSE=0V, External Components=CIN 255 98 73 64 1.5 -2.0 66 V mV 5.5 6 2.0 V mA µA 345 40 kHz kHz Ω 0.25 2.0 mA mA % % % % V V µA 3.383 Test Conditions : Unless otherwise stated, Typical Application Circuit, VIN=3.6V, GND=0V, CE=VIN, No Load, SENSE=VIN(Regulation Output) 4 XC9801/02 Series Step-Up Charge Pump ICs Typical Application Circuits XRegulation Output VOUT SENSE VOUT CE C1+ VIN C1- C1 RL PGND GND C2 CIN VIN YDoubler Output VOUT SENSE VOUT CE C1+ VIN C1- C1 GND VIN RL PGND C2 CIN External Components CIN=1µ F (Ceramic Capacitor: Taiyo Yuden) C1=0.47µ F (Ceramic Capacitor: Taiyo Yuden) C2=4.7µ F (Ceramic Capacitor: Taiyo Yuden) Note : The XC9801 series are step-up charge pump voltage doublers which provide regulated output voltage. The application circuit of the doubler output (Y) halts the regulated output function and operates as a normal voltage doubler. The output voltage is stable when connected as in (X) above, except when VIN < (VOUT / 2) and VIN ≥ VOUT. 5 XC9801/02 Series Step-Up Charge Pump ICs Electrical Characteristics (3.3V) (1) Output Voltage vs. Output Current XC9801B333KR(300kHz,3.3V) XC9802B333KR(300kHz,3.3V) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 4.0 3.8 Output Voltage VOUT(V) Output Voltage VOUT(V) 4.0 3.6 3.4 3.2 3.0 VIN=1.98V 2.8 VIN=2.376V VIN=2.76V 2.6 2.4 3.8 3.6 3.4 3.2 3.0 VIN=1.98V VIN=2.376V 2.8 VIN=2.76V 2.6 2.4 0 30 60 90 120 150 0 30 60 90 120 Output Current IOUT(mA) Output Current IOUT(mA) 150 (2) Efficiency vs. Output Current XC9802B333KR(300kHz,3.3V) XC9801B333KR(300kHz,3.3V) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 100 CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 100 VIN=1.98V Efficiency EFFI(%) Efficiency EFFI(%) VIN=1.98V 80 60 VIN=2.376V 40 VIN=2.76V 20 0 80 60 VIN=2.376V 40 VIN=2.76V 20 0 0.01 0.1 1 10 100 Output Current IOUT(mA) 1000 0.01 0.1 1 10 100 Output Current IOUT(mA) 1000 (3) Output Current vs. Ripple Voltage XC9801B333KR(300kHz,3.3V) 80 VIN=2.76V 60 40 VIN=2.376V 20 VIN=1.98V 0 0.01 0.1 1 10 100 Output Current IOUT(mA) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 100 Ripple Voltage Vr(mV) Ripple Voltage Vr(mV) 100 XC9802B333KR(300kHz,3.3V) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 80 60 VIN=2.76V VIN=1.98V VIN=2.376V 40 20 0 0.01 1000 0.1 1 10 100 Output Current IOUT(mA) 6 1000 XC9801/02 Series Step-Up Charge Pump ICs Electrical Characteristics (5.0V) (1) Output Voltage vs. Output Current XC9801B503KR(300kHz, 5.0V) 5.4 5.2 5.0 4.8 VIN=4V 4.6 VIN=3V CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 5.6 Output Voltage VOUT(V) 5.6 Output Voltage VOUT(V) XC9802B503KR(300kHz,5.0V) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) VIN=3.6V 4.4 4.2 5.4 5.2 5.0 4.8 VIN=4V 4.6 VIN=3V VIN=3.6V 4.4 4.2 4.0 4.0 0 50 100 150 Output Current IOUT(mA) 0 200 50 100 150 200 Output Current IOUT(mA) (2) Efficiency vs. Output Current XC9802B503KR(300kHz,5.0V) XC9801B503KR(300kHz,5.0V) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) 100 VIN=3V Efficiency EFFI(%) Efficiency EFFI(%) 100 VIN=3V 80 60 VIN=3.6V 40 CIN=1µF(ceramic) C1=0.47µF, C2=4.7µF(ceramic) VIN=4V 20 80 60 VIN=3.6V VIN=4V 40 20 0 0 0.01 0.1 1 10 100 Output Current IOUT(mA) 0.01 1000 0.1 1 10 100 Output Current IOUT(mA) 1000 (3) Output Voltage vs. Ripple Voltage XC9801B503KR(300kHz,5.0V) 80 VIN=4V 60 VIN=3.6V 40 20 0 0.01 CIN=1µF(ceramic) C1=0.47µF, C2=4.7µF(ceramic) 80 Ripple Voltage Vr(mV) Ripple Voltage Vr(mV) 100 XC9802B503KR(300kHz,5.0V) CIN=1µF(ceramic) C1=0.47µF, C2=4.7µF(ceramic) VIN-3V 60 VIN=3VVIN=3.6V VIN=4V 40 20 0 0.01 0.1 1 10 100 1000 Output Current IOUT(mA) 7 0.1 1 10 100 Output Current IOUT(mA) 1000 XC9801/02 Series Step-Up Charge Pump ICs Electrical Characteristics (Doubler) (1) Output Voltage vs. Output Current XC9801B503KR (300kHz,SENSE=0V Doubler) CIN=1µF(ceramic) C1=0.47µF,C2=4.7µF(ceramic) Output Voltage VOUT(V) 8.0 7.0 VIN=4V 6.0 VIN=3.6V 5.0 VIN=3V 4.0 0 20 40 60 80 100 Output Current IOUT(mA) (2) Efficiency vs. Output Current XC9801B503KR (300kHz,SENSE=0V Doubler) CIN=1µF(ceramic) C1=0.47µF, C2=4.7µF(ceramic) 100 Efficiency EFFI (%) VIN=3V 80 VIN=3.6V VIN=4V 60 40 20 0 0.1 1 10 Output Current IOUT(mA) 100 (3) Ripple Voltage vs. Output Current XC9801B503KR (300kHz, SENSE=0V, Doubler) CIN=1µF(ceramic) C1=0.47µF, C2=4.7µF(ceramic) Ripple Voltage Vr (mV) 100 80 60 VIN=4V 40 VIN=3.6V 20 VIN=3V 0 0.1 1 10 100 1000 Output Current IOUT(mA) 8 XC9801/02 Series Step-Up Charge Pump ICs Packaging Information (Dimensions : mm) MSOP-8A : (1,000 pcs./reel) +0. 08 - 0. 02 4. 90 +0. 10 3. 00 +0. 10 0. 53 + 0. 13 0. 15 3. 00 + 0. 10 ( 0. 65) - 0. 02 USP-8 : (1,000 pcs./reel) 0 5. 85 2. 50 2.70 0.375 1.50 0.10 0.25 0.15 0.65 - 0. 21 1. 02 - 0. 10 +0. 11 0. 86 +0. 08 0. 00~0. 20 0. 30 +0. 20 O 0 ~6 2.30 0.30 9 XC9801/02 Series Recommended Pattern Layout MSOP-8A Step-Up Charge Pump ICs (Dimensions : mm) 3 0. 85 3 4. 45 0. 325 0. 65 USP-8 2.7 0.35 0.35 7 1 2 6 5 0.45 2.9 1.5 0. 45 8 0.35 0.35 . 3 0.25 0.65 0.65 0.425 10 4 0.65