S-8331A30FS-T2-G Seiko Instruments, S-8331A30FS-T2-G Datasheet
S-8331A30FS-T2-G
Specifications of S-8331A30FS-T2-G
Related parts for S-8331A30FS-T2-G
S-8331A30FS-T2-G Summary of contents
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... Series is low current consumption because of CMOS structure , and a step-up switching regulator constructed by externally connecting only a coil, a capacitor and a diode. This feature, along with its 8-Pin SSOP package and a few external components, makes the S-8330 Series ideal for LCD bias generators of portable equipment. ...
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... Built-in switch 1: External transistor Drawing code Package FS008-A-P-SD FS008-A-C-SD S-8330BXXFS Series S-8330B20FS-T2-G S-8330B22FS-T2-G S-8330B24FS-T2-G S-8330B26FS-T2-G S-8330B28FS-T2-G S-8330B30FS-T2-G Seiko Instruments Inc. Rev.6.0 L VIN Rb EXT External Transistor Cb VSS (2) S-8331 Series *1 Tape Reel FS008-A-R-SD S-8331AXXFS Series S-8331A20FS-T2-G S-8331A22FS-T2-G S-8331A24FS-T2-G S-8331A26FS-T2-G S-8331A28FS-T2-G S-8331A30FS-T2-G _00 Series ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 Pin Configuration 8-pin SSOP Top view Figure 2 Pin No. Symbol 1 VDIN Electric volume data input pin 2 VCLK Electric volume clock input pin 3 VSTRB Electric volume strobe signal input pin Output voltage pin ...
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... Board size : 114.3 mm × 76.2 mm × t1.6 mm (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. (1) When mounted on board ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 Electrical Characteristics 1. S-8330A Series Step-Up Switching Regulator Items Symbols S-8330A20FS S-8330A22FS Output voltage range VOUT S-8330A24FS S-8330A26FS S-8330A28FS S-8330A30FS Output voltage accuracy Input voltage VIN Current consumption 1 ISS1 V IN Current consumption 2 ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series Externally attached parts: CD54 (47 μH) of Sumida Corporation Coils : Diodes : MA720 Schottky type of Matsushita Electric Industrial Co., Ltd. Capacitors: F93 tantalum type (two circuits 4.7 μF are connected in parallel) of Nichicon Corporation =VOUT Max output voltage /24 kΩ IN OUT ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 2. S-8330B Series Step-Up Switching Regulator Item Symbol S-8330B20FS S-8330B22FS Output voltage range VOUT S-8330B24FS S-8330B26FS S-8330B28FS S-8330B30FS Output voltage accuracy Input voltage VIN Current consumption 1 ISS1 V IN Current consumption 2 ISS2 V IN ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series Externally attached parts: CD54 (47 μH) of Sumida Corporation Coils : Diodes : MA720 Schottky type of Matsushita Electric Industrial Co., Ltd. Capacitors: F93 tantalum type (two circuits 4.7 μF are connected in parallel) of Nichicon Corporation V =5V,V =VOUT Max output voltage /24 kΩ IN OUT ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 3. S-8331A Series Step-Up Switching Regulator Item Symbol S-8330A20FS S-8330A22FS Output voltage range VOUT S-8330A24FS S-8330A26FS S-8330A28FS S-8330A30FS Output voltage accuracy Input voltage VIN Current consumption 1 ISS1 V IN Current consumption 2 ISS2 V IN ...
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... Externally attached parts: CD54 (47 μH) of Sumida Corporation Coils : Diodes : MA720 Schottky type of Matsushita Electric Industrial Co., Ltd. Capacitors: F93 tantalum type (two circuits 4.7 μF are connected in parallel) of Nichicon Corporation. Transistors: 2SD1624 of Sanyo Electric Co., Ltd. Base resistance (Rb):1.0 kΩ Base capacitor (Cb):2200 pF (ceramic type =VOUT Max output voltage/24 kΩ ...
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... VSTRB Note 1: An electric volume has 8-bit resolution. However, its error in linearity may exceed ±1/2LSB only before and after switching from 127 to 128 volume is used within the variable range its error in linearity corresponds to 6 bits (±2.4% potential division accuracy is ensured). Conditions Min ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series Measurement Circuits 1. VIN ON/OFF A VSS 2. Oscilloscope *300Ω Not needed in the *S-8331 Series. 3. VIN CONT A ON/OFF VSS 4. A VIN CONT(EXT) *300Ω ON/OFF VSS *5 Not needed in the *S-8331 Series. 12 Other Open ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 5. VIN CONT + ON/OFF − VSS 6. 1kΩ + 2200pF − VOUT VSTRB + VCLK − VDIN VIN VOUT EXT VSTRB ON/OFF VCLK VSS VDIN Figure 5 Measurement Circuits Seiko Instruments Inc. S-8330/8331 Series − ...
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... This allows the ripple voltage due to switching to be reduced with a filter. Also, the internal soft start circuit controls the rush current and the output voltage overshoot to be generated when the IC starts the step-up operation by setting the power off pin to "H" level. At powering ON the IC, the rush current flows to charge up capacitive components of output capacitor "C ...
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... I I OUT PK ⎝ L ⎛ ⎜ ∴ = − • ⎜ OUT ⎝ V OUT t when I =0 (the energy of the inductor is completely transmitted). Based on equation (7) OFF L ⎛ ⎞ ⎜ ⎟ = ⎜ ⎟ + − ⎝ ⎠ I OUT D IN When substituting equation (10) for equation ⎛ ⎞ ...
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... C OUT OUT When substituting equation (15) for equation (11): − • PK OUT V − The effective methods to reduce the ripple voltage are to maximize the capacitance of the capacitor connected to the output pin and to minimize ESR ⎞ ⎛ ⎞ • ⎟ + ⎜ • ⎟ PK OUT PK OUT ...
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... M clamping voltage so as not to apply high voltage (20V or more) of the rated voltage between the gate and the source of the 2SJ356. However, when the circuit is used below, a Zenor diode is not needed. Invalid current flowing into resistors R efficiency. Set the maximum level ...
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... Electric Volume The S-8330/31 series incorporates an electric volume with an 8-bit shift register and an 8-bit latch. The output voltage is variable in the width The output voltage can be held in the data transmission mode because the data read in the shift register is fetched into the latch by unshyncronized strobe input ...
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... The output voltage is set to the minimum value. Power on under the state where the power off pin is being set to “L”. Next, set VCLK to “H” and VSTRB to “H” to reset the contents of the register. Then, start step-up operation under the state where the power off pin is being set to “H”. ...
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... Set V OSC a power source of input voltage V 8330A30FS responds to your requirements because f I =174 mA is found out as shown in equation (17 result, you can select an inductor for which PK value μH and the allowable current is 174 mA or more. A limitation relating to the maximum value I less. ...
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... EXTH and select small value Rb. Small value Rb can increase the output current, but may worsen the efficiency. Also current may flow on the pulse or the voltage may drop due to wiring resistor. So, find the optimum value with experiments. Attaching a speed-up capacitor Cb to the resistor Rb reduces switching loss and increases the efficiency ...
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... Figure 14 shows a circuit example using the 2SK2159 manufactured by NEC Electronics Corporation as a MOS FET transistor (Nch). Use an Nch power MOS FET as a MOS FET. The EXT pin in the S- 8331 series can drive a MOS FET with approx.1000 pF gate capacitance. The ON reisistor of the MOS FET depends upon a difference between voltage input voltage V FET and thereby affects the output amperage and the efficiency ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 Standard Circuits (1) S-8330 Series L CONT ON/OFF (2) S-8331 Series EXT External PWM Controller − CR Oscillator VREF RESET Figure 15 S-8330 Series SD + PWM Controller − REF Oscillator RESET ON/OFF Figure 16 S-8331 Series Seiko Instruments Inc. ...
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... Make sure that a loss in the switching transistor (particularly at high temperatures) does not exceed the allowable power dissipation. Configure parts and components so that the line to the VSS pin (indicated by the bold line shown in Figure 17) becomes short as much as possible resistor and/or an inductance component stays on the line, the VSS potential of the IC varies depending upon the switching current ...
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... Always use a small signal transistor which is sufficient enough to withstand high output voltage (Tr. 3). • The output voltage fails to stabilize when the output current falls short less. In this case, add a capacitor CF between the output line and the V the capacitor is approx. 0.01 μ ...
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... Sumida Corporation (CEE93 6375-002 non-gap type) when the output current at the positive side is the same as that at the negative side. Also this circuit is targeted at applications at low load. The use kHz product with low switching frequency improves the efficiency at load of approx ...
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... Make sure that the current flowing into the transducer under the specified operational conditions does not exceed the allowable current. current is larger than the above circuit, magnetic saturation occurs and the IC may be damaged at the worst. • When using an external gap-type transducer, the stability in the negative output voltage may worsen ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series Temperature Characteristics I ,I — Temp SS1 SS2 S-8330A I :V =2V,V =8V I SS1 SS2 180 160 140 120 I 100 SS1 ( μ -40 - (ºC) I — Temp SSS S-8330A 0.10 0.08 0.06 I SSS (μA) 0.04 ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 I — V EXTH IN S-8331A EXTH 5 (mA — V SH1,2 IN S-8330A/B/31A 1.60 1.40 1.20 V SH1,2 (V) 1.00 0.80 0. — V SHC1,2 IN S-8330A/B/31A 1.60 1.40 1.20 V SHC1,2 (V) 1.00 0.80 0. — V EXTL IN S-8331A Ta=- EXTL Ta=25 5 (mA) Ta= (V) VSL — VIN S-8330A/B/31A 0 ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series Transitory Response Characteristics 1. Powering 0V→5 S-8330A30 (Light Load : I =1mA) OUT 5V Input Vol. (2.5V/div) 0V 20V Output Vol. (5V/div (1msec/div) S-8331A30 (Light Load → I =1mA) OUT 5V Input Vol. (2.5V/div) 0V 20V Output Vol. (5V/div) ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 3. Load Variations :0.01m → 1mA) S-8330A30 ( I OUT Load Current Output Vol. (50mV/div) t (5msec/div) :0.01mA → 1mA) S-8331A30 ( I OUT Load Current Output Vol. (50mV/div) t (5msec/div) 4. Power Supply Variations S-8330A30 ( VIN:2.4V → 3.5V) Input Vol ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series 5. Output Voltage Changeover :8V → 14V) S-8330A20 (V OUT 5V STRB Pin Vol. 0V 14V Output Vol. (2V/div (5msec/div) :18V → 24V) S-8330A30 (V OUT 5V STRB Pin Vol. 0V 24V Output Vol. (2V/div) 18V t (5msec/div) :8V → 14V) ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 Reference Data The reference data is used to properly determine the best external parts. Tables 1 and 2 list characteristic data of parts recommended to respond to the wide variety of applications. No. Product V OUT (1) S-8330A20 8 V (2) S-8330A30 18 V ↑ ...
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... Output Vol. V (V) OUT 18.0 VIN=2V 17.8 VIN=5V VIN=9V 17.6 0.1 1 Output Current I (3) S-8330A30 (CD54:47 μ H) Output Current — Output Voltage Characteristics (Output Current Increase) 30.4 30.2 Output Vol. V (V) OUT 30.0 VIN=2V 29.8 VIN=5V VIN=9V 29.6 0 Output Current I (4) S-8330A20 (LQH4N:47 μ ...
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... Output Vol. V (V) OUT 30.0 VIN=2V 29.8 VIN=5V VIN=9V 29.6 0.01 0.1 Output Current I (7) S-8330A30 (LQH4N:22 μ H) Output Current — Output Voltage Characteristics (Output Current Increase) 18.4 18.2 Output Vol. V (V) OUT 18.0 VIN=2V 17.8 VIN=5V VIN=9V 17.6 0.01 0.1 Output Current I S-8330A30 (LQH4N:47 μ ...
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... Output Vol. V (V) OUT 18.0 VIN=2V 17.8 VIN=5V VIN=9V 17.6 0.01 0.1 Output Current I (9) S-8330B30 (LQH4N:100 μ H) Output Current — Output Voltage Characteristics (Output Current Increase) 18.4 18.2 Output Vol. V (V) OUT 18.0 VIN=2V 17.8 VIN=5V VIN=9V 17.6 0.01 0.1 ...
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... STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR Rev.6.0 _00 (12) S-8330A30 (CD54:47 μ H) Output Current — Ripple Voltage Characteristics (Output Current Increase) 200 VIN=2V VIN=5V 150 VIN=9V Ripple Voltage Vr (mV) 100 50 0 0.01 0.1 1 Output Current I (13) S-8330B30 (LHQ4N:100 μ H) Output Current — Ripple Voltage Characteristics (Output Current Increase) ...
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... Seiko Instruments Inc. is strictly prohibited. • The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. ...