S-1112B41MC-L7ATFG

... Low current consumption: • High peak current capability: • Built-in ON/OFF circuit: • Low ESR capacitor can be used: A ceramic capacitor of 0.47 μF or more can be used for the output • High ripple rejection: • Built-in overcurrent protector: • Lead-free, Sn 100%, halogen-free *1. Attention should be paid to the power dissipation of the package when the output current is large. *2. Refer to “ ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series Block Diagram VIN ON/OFF VSS *1. Parasitic diode 2 Overcurrent protector + ON/OFF − circuit Reference voltage circuit Figure 1 Seiko Instruments Inc. Rev.6.0 _00 *1 VOUT ...

... The product types and output voltage for the S-1112/1122 Series can be selected at the user’s request. Refer to the “1. Product Name” for the construction of the product name, “2. Package” regarding the package drawings and “3. Product Name List” for the full product names. ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series (2) S-1122 Series S-1122 − xxx TF x *1. Refer to the tape specifications at the end of this book. *2. Refer to the product name list. *3. Refer to 3. Shutdown pin (ON/OFF pin) in the “ Operation”. 2. Package Package name SNT-6A(H) SOT-23-5 4 ...

... S-1112B51PI-L7KTFx 5.2 V ±1.0% S-1112B52PI-L7LTFx 5.3 V ±1.0% S-1112B53PI-L7MTFx 5.4 V ±1.0% S-1112B54PI-L7NTFx 5.5 V ±1.0% S-1112B55PI-L7OTFx Remark 1. Please contact our sales office for type A products Please select products of environmental code = U for Sn 100%, halogen-free products. Table 1 SNT-6A(H) SOT-23-5 S-1112B15MC-L6ATFx S-1112B16MC-L6BTFx S-1112B17MC-L6CTFx S-1112B18MC-L6DTFx S-1112B19MC-L6ETFx S-1112B20MC-L6FTFx S-1112B21MC-L6GTFx ...

... V ±1.0% 4.9 V ±1.0% 5.0 V ±1.0% 5.1 V ±1.0% 5.2 V ±1.0% 5.3 V ±1.0% 5.4 V ±1.0% 5.5 V ±1.0% Remark 1. Please contact our sales office for type A products Please select products of environmental code = U for Sn 100%, halogen-free products. 6 Table 2 SOT-23-5 S-1122B15MC-L8ATFx S-1122B16MC-L8BTFx S-1122B17MC-L8CTFx S-1122B18MC-L8DTFx S-1122B19MC-L8ETFx S-1122B20MC-L8FTFx ...

... Pin No. Symbol 1 VOUT 2 VSS 3 VIN 4 ON/OFF * *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Seiko Instruments Inc. S-1112/1122 Series Table 3 (S-1112 Series) Description No connection GND pin Shutdown pin Input voltage pin GND pin Output voltage pin Table 4 (S-1112 Series) ...

... 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. Figure 4 Power Dissipation of The Package (When Mounted on Board) ...

... Specified output voltage *3. Output voltage temperature coefficient *5. The output current can be at least this value. Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation of the package when the output current is large. This specification is guaranteed by design. ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series Test Circuits 1. Set to power VIN VOUT + V ON/OFF VSS Figure VIN VOUT ON/OFF VSS Set GND IN Figure 6 + VIN VOUT A ON/OFF VSS Set to power ON Figure 7 VOUT VIN + A ON/OFF V VSS Figure 8 VIN VOUT + V ON/OFF ...

... Check that no oscillation occurs with the application using the above capacitor. Input VIN VOUT *1 ON/OFF C IN VSS Single GND * capacitor for stabilizing the input. IN *2. A ceramic capacitor of 0.47 μF or more can be used for C Figure 10 1.0 μF or more 0.47 μF or more 10 Ω or less Seiko Instruments Inc. S-1112/1122 Series Output * GND . ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series Explanation of Terms 1. Low dropout voltage regulator The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in low on-resistance transistor. 2. Low ESR A capacitor whose ESR (Equivalent Series Resistance) is low. The S-1112/1122 Series enables use of a low ESR capacitor, such as a ceramic capacitor, for the output-side capacitor C ESR is 10 Ω ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.6.0 _00 7. Temperatur e coefficien t of The shadowed area in Figure 11 is the range where V when the temperature coefficient of the output voltage is ±100 ppm/°C. V OUT(E) * change in the temperature of the output voltage [mV/°C] is calculated using the following equation. Δ OUT 1 * ° OUT(S) Δ ...

... S-1112/1122 Series Operation 1. Basic operation Figure 12 shows the block diagram of the S-1112/1122 Series. The error amplifier compares the reference voltage (V divided by feedback resistors R to ensure a certain output voltage free of any fluctuations of input voltage and temperature. VIN Current supply V ref Reference voltage VSS *1 ...

... The structure of the ON/OFF pin is as shown in Figure 13. Since the ON/OFF pin is neither pulled down nor pulled up internally, do not use it in the floating state. In addition, note that the current consumption increases if a voltage of 0 used, connect it to the VSS pin if the logic type is “A” and to the VIN pin “B”. Logic Type ON/OFF Pin A “ ...

... When mounting an output capacitor between the VOUT and VSS pins (C the input between VIN and VSS pins (C short as possible. • Note that the output voltage may increase when a series regulator is used at low load current (1 less). • Generally a series regulator may cause oscillation, depending on the selection of external parts. The following conditions are recommended for this IC ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.6.0 _00 Characteristics (Typical Data) Remark The following, which describes the S-1112 Series as the typical product, shows typical data common to the S-1122 Series. (1) Output Voltage vs. Output current (when load current increases) S-1112B15 (Ta = 25°C) 1 ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series (3) Dropout voltage vs. Output current S-1112B15 0.45 0.40 85°C 0.35 0.30 0.25 0.20 0.15 0.10 0. 100 I [mA] OUT S-1112B50 0.45 0.40 0.35 85°C 0.30 0.25 0.20 0.15 0.10 0. 100 I [mA] OUT (4) Dropout voltage vs. Set output voltage ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.6.0 _00 (5) Output voltage vs. Ambient temperature S-1112B15 1.60 1.55 1.50 1.45 1.40 –50 – [°C] S-1112B50 5.3 5.2 5.1 5.0 4.9 4.8 4.7 – –50 Ta [°C] (6) Current consumption vs. Input voltage S-1112B15 120 100 80 25° ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series (7) Ripple rejection S-1112B15 (Ta = 25° 0.47 μ OUT 100 100 1k 10k Frequency [Hz] S-1112B50 (Ta = 25° 0.47 μ OUT 100 100 1k 10k Frequency [Hz] 20 S-1112B30 (Ta = 25° 100 = OUT 100k OUT 100k 1M Seiko Instruments Inc ...

... C I OUT OUT 1.62 1.60 1. 1.56 1.54 1.52 V OUT 1.50 1.48 1.46 -40 - 100 120 140 160 t [μs] S-1112B50 (Ta = 25° mA 5.0 μ 0.47 μ OUT OUT 5.12 5. 5.08 5.06 5.04 5.02 V OUT 5.00 4.98 4.96 -40 - 100 120 140 160 t [μs] (2) Load transient response characteristics S-1112B15 (Ta = 25° ...

... HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series (3) Shutdown pin transient response characteristics S-1112B15 (Ta = 25° 0.47 μ 1.0 μ OUT ON/OFF OUT 0 –1 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 t [ms] 22 S-1112B30 (Ta = 25°C) = 100 OUT ...

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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. ...