S-812C25AMC-C2F-T2 Seiko Instruments, S-812C25AMC-C2F-T2 Datasheet

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S-812C25AMC-C2F-T2

Manufacturer Part Number
S-812C25AMC-C2F-T2
Description
Low Dropout (LDO) Regulators 2.5V 0.9uA 2.0%
Manufacturer
Seiko Instruments
Datasheet

Specifications of S-812C25AMC-C2F-T2

Number Of Outputs
1
Polarity
Positive
Input Voltage Max
18 V
Output Voltage
2.5 V
Output Voltage Tolerance
+/- 2 %
Output Type
Fixed
Dropout Voltage (max)
0.95 V
Output Current
75 mA
Line Regulation
20 mV
Load Regulation
30 mV
Voltage Regulation Accuracy
2 %
Maximum Power Dissipation
600 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23-5
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S-812C25AMC-C2F-T2
Manufacturer:
HOLT
Quantity:
101
Rev.1.0
T Features
T Block Diagram
(1) Product without power-off function
VSS
VIN
HIGH OPERATING VOLTAGE
CMOS VOLTAGE REGULATOR
Note1 Power dissipation of the package should be taken into account when the output current is large.
Low current consumption
Output voltage: 2.0 to 6.0 V (0.1 V step)
Output voltage accuracy: 2.0%
Output current:
Dropout voltage
Power-off function: Polarity for power-off switch or removal of the power-off function can be selected.
Short-circuit protection: Product with/without short-circuit protection is available.
Packages: SOT-23-5 (Package drawing code : MP005-A)
Operating current: Typ. 1.0 A, Max. 1.8 A (3.0 V)
50mA capable (3.0 V output product, V
75mA capable (5.0 V output product, V
Typ. 120 mV (V
Short-circuited current : 40 mA typ. for products with protection
Reference
voltage
(1) : Parasitic diode
(2) : In case of a product with short-circuit protection
SOT-89-5 (Package drawing code : UP003-A)
SOT-89-3 (Package drawing code : UP005-A)
TO-92
OUT
Short-circuit
protection
= 5.0 V, I
(Package drawing code : YF003-A)
(2)
OUT
(1)
= 10 mA)
Figure 1 Block Diagram
Seiko Instruments Inc.
IN
IN
=5 V)
=7 V)
VOUT
Note1
Note1
regulators developed using CMOS technology.
maximum operating voltage of 16V makes the S-812C
series best in high-voltage applications. Not only current
consumption is small but also power-off function is
included, the regulator is also suitable in constructing low-
power portable devices. Combination of power-off function
and short-current protection can be selected.
The S-812C series is a family of high-voltage positive
ON/OFF
VSS
VIN
(2) Product with power-off function
T Applications
Power source for battery-powered devices
Power source for personal communication
devices
Power source for home electric/electronic
appliances
(1) : Parasitic diode
(2) : In case of a product with short-circuit protection
Reference
voltage
S-812C Series
Short-circuit
protection
(2)
(1)
VOUT
The
1

Related parts for S-812C25AMC-C2F-T2

S-812C25AMC-C2F-T2 Summary of contents

Page 1

... Packages: SOT-23-5 (Package drawing code : MP005-A) SOT-89-5 (Package drawing code : UP003-A) SOT-89-3 (Package drawing code : UP005-A) TO-92 (Package drawing code : YF003-A) Note1 Power dissipation of the package should be taken into account when the output current is large. T Block Diagram (1) Product without power-off function VIN (2) ...

Page 2

... Power dissipation Operating temperature range Storage temperature range Note: Although the IC contains protection circuit against static electricity, excessive static electricity or voltage which exceeds the limit of the protection circuit should not be applied to. T Selection Guide Product Name S-812C xx Axx - xxx - T2 S-812CxxB series (Short-circuit protection and power-off fuction) Output Voltage 2.0 V ± ...

Page 3

... Output voltage SOT-23-5 2.0 V 2.0% S-812C20AMC-C2A-T2 2.1 V 2.0% S-812C21AMC-C2B-T2 2.2 V 2.0% S-812C22AMC-C2C-T2 2.3 V 2.0% S-812C23AMC-C2D-T2 2.4 V 2.0% S-812C24AMC-C2E-T2 2.5 V 2.0% S-812C25AMC-C2F-T2 2.6 V 2.0% S-812C26AMC-C2G-T2 2.7 V 2.0% S-812C27AMC-C2H-T2 2.8 V 2.0% S-812C28AMC-C2I-T2 2.9 V 2.0% S-812C29AMC-C2J-T2 3.0 V 2.0% S-812C30AMC-C2K-T2 3.1 V 2.0% S-812C31AMC-C2L-T2 3.2 V 2.0% S-812C32AMC-C2M-T2 3 ...

Page 4

... VOUT 2 VIN 3 VSS 4 ON/OFF. ON/OFF pin (1) N.C. (1) 5 N.C. (1) N.C. pin is electrically open. N.C. pin can be connected to VIN or VSS. The ON/OFF pin becomes N.C. pin, when the power-off function is removed. Table 5 Pin Assignment Pin No. Symbol 1 VSS 2 VIN 3 VOUT Table 6 Pin Assignment Pin No ...

Page 5

... Output current at which output voltage becomes 95 Vdrop = V 1-(V (E) × 0.98), where V IN OUT gradually decreasing input voltage. 4) Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. V OUT mV Temperature change ratio for output voltage HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR Conditions V ...

Page 6

... See the electrical characteristics and characteristics data for details. 3. Line regulations 1 and OUT1 These parameters indicate the input voltage dependence on the output voltage. That is, the values show how much the output voltage changes due to a change in the input voltage with the output current remained unchanged. 4. Load regulation ( V ) OUT3 This parameter indicates the output current dependence on the output voltage ...

Page 7

... OUT Vdrop = V 1-[V (E) × 0.98] IN OUT 6. Temperature coefficient of output voltage [ V The output voltage lies in the shaded area in the whole operating temperature shown in figure 8 when the temperature coefficient of the output voltage is 100 ppm OUT [V] V (E) OUT ...

Page 8

... The ON/OFF pin should not be left afloat since no pull-up nor pull-down is made internally as shown in figure 10. Note that the current consumption increases if a voltage between 0.3V and VIN-0.3V is applied to the ON/OFF pin. When the power-off function is not used, connect the pin to the VIN pin in case of positive logic and to the VSS pin in case of negative logic. ...

Page 9

... The output voltage can be increased using the configuration shown in the figure 13. The output Voltage V can be calculated using the following equation (E) x (R1 + R2) OUT OUT where V (E) is the effective output voltage OUT Value of R1 and R2 should be determined so as not to be affected by the current consumption I HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR Tr1 ON/OFF C IN GND ...

Page 10

... When mounting an output capacitor, the distance from the capacitor to the VOUT pin and to the VSS pin should be as short as possible. Note that output voltage may increase when a voltage regulator is used at low load current (less than 1 A). At low load current less than 100 A output voltage may increase when the regulating operation is halted by the ON/OFF pin ...

Page 11

... Rev.1.0 T Typical Characteristics (1) Output Voltage vs Output Current (When load current increases) S-812C20B (Ta=25° C) Short- circuit protection 2.5 V =2.5V IN 2.0 7V 1.5 1.0 3V 0.5 0 100 I (mA) OUT S-812C50B (Ta=25° C) Short-circuit protection 6.0 10V 5.0 4.0 V =5.5V 3.0 IN 2.0 6V 1.0 0.0 0 100 ...

Page 12

... S-812C30A 200 Ta= 40ºC 150 100 Notice The condition for input voltage and load current should not exceed the package power dissipation Seiko Instruments Inc. Rev.1.0 Short-circuit protection 25°C 85° ( short-circuit protection 25ºC 85º ...

Page 13

... I (mA) OUT S-812C50B 1000 900 85°C 800 700 25°C 600 500 400 300 200 100 (mA) OUT HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C30B 3. 3. -10m A 3.05 3. 2.95 2.90 2.85 3.5 4 2.5 3 6.5 7 S-812C30B 1600 1400 1200 1000 800 600 400 Ta= -40°C ...

Page 14

... HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C Series (5) Output Voltage vs Ambient Temperature S-812C20B 2.04 2.02 2.00 1.98 1.96 - (°C ) S-812C50B 5.10 5.05 5.00 4.95 4.90 - (°C) (6) Line Regulation 1 vs Ambient Temperature -812C 20B S -812C 50B (°C) (8) Load Regulation vs Ambient Temperature S-812C 30B S-812C 50B 20 0 -50 ...

Page 15

... V (V) IN S-812C50B 2.5 2.0 85°C 25°C 1.5 1.0 0.5 Ta= -40°C 0 (V) IN (10)Power-off Pin Input Threshold vs Input Voltage S-812C20B 2.5 25° C 85° C 2.0 1.5 1.0 0.5 25° C 85° (V) IN HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C30B 2.5 2 ...

Page 16

... HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C Series REFERENCE DATA T Transient Response Characteristics (Typical data: Ta=25 C) INPUT VOLTAGE or LOAD CURRENT OUTPUT VOLTAGE (1) Power-on : S-812C30B (C =10 F; ceramic capacitor ON/OFF=0 5V TIME (100 s/div) Load dependence of overshoot at power- ON/OFF 0.030 S-812C 30B 0.025 0.020 S-812C 50B 0 ...

Page 17

... Rev.1.0 (2) Power-on by ON/OFF pin : S-812C30A (C V =5V, ON/OFF TIME (200 s/div) Load dependence of overshoot at power- )+2V , ON/OFF 0.8 0.6 S-812C 50B 0.4 0.2 S-812C 30B 0.0 0.001 0.01 0.1 I (A) OUT V dependence of overshoot at power- ON/OFF 0.7 0.6 0.5 0.4 0.3 0.2 S-812C 30B ...

Page 18

... HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C Series (3) Line Transient Response : S-812C30B (C V ,ON/OFF=4 8V 2.9V TIME (100 s/div) Load dependence of overshoot at line transient V , ON/OFF 0.16 0.14 S-812C 50B 0.12 0.10 0.08 0.06 0.04 S-812C 30B 0.02 0. (A) OUT V dependence of overshoot at line transient ...

Page 19

... Rev.1.0 3V 2.9V 2.8V TIME (500 s/div) Load dependence of undershoot at line transient V , ON/OFF 0.8 0.6 S-812C 50B 0.4 0.2 S-812C 30B 0 (A) OUT V dependence of undershoot at line transient ON/OFF 0.25 0.20 0.15 0.10 S-812C 50B 0.05 S-812C 30B 0. (V) DD HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR ...

Page 20

... HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR S-812C Series (4) Load Transient Response : S-812C30B (C V =5V 3.1V 3V 2.9V TIME (200 s/div) Load dependence of overshoot at load transient V , ON/OFF 1.2 S-812C 50B 1.0 0.8 0.6 0.4 S-812C 30B 0.2 0 (A) OUT V dependence of overshoot at load transient 10m ...

Page 21

... HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR =1 A 10mA 10mA 0mA C dependence of undershoot at load transient N/O FF=V IN 0.25 0.20 0.15 0.10 0.05 0.00 80 100 0 Temperature dependence of undershoot at load transient = ON/OFF 0.25 0.20 0.15 0.10 0.05 0. -50 Seiko Instruments Inc. S-812C Series (S)+2V 10m S-812C 50B S-812C 30B ...

Page 22

... SOT-23-5 l Dimensions l Tape Specifications l Reel Specifications ...

Page 23

... No. UP005-A-C-SD-1.0 1.5±0.1 0.65min. 4 2.5±0.1 0.65min. 0.1 3.1 0.35 0.4±0.1 45° No. UP005-A-P-SD-1.1 lReel Specifications 1 reel holds 1000 ICs. 1.5±0.1 5.65±0.05 12.0±0.2 4.35±0.1 3°max. 0.3±0.05 2.0±0.1 Winding core ø21±0.5 UP005-A 000601 Unit:mm +0.2 4 ...

Page 24

... No. UP003-A-P-SD-1.0 lReel Specifications 1 reel holds 1000 ICs. 1.5±0.1 5.65±0.05 4.35±0.1 12.0±0.2 0.3±0.05 2.0±0.1 Winding core (60°) No. UP003-A-R-SD-1.0 UP003-A 010515 Unit:mm +0.25 -0 ...

Page 25

... TO-92 lDimensions lTape [Type F] lReel lZigzag [Type T] [Type Z] ...

Page 26

... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of 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 ...

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