S-1315 Datasheet PDF - Seiko

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S-1315
Seiko

Part Number S-1315
Description LOW CURRENT CONSUMPTION OUTPUT CAPACITOR-LESS CMOS VOLTAGE REGULATOR
Page 30 Pages


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S-1315 Series
www.sii-ic.com
© Seiko Instruments Inc., 2011-2014
LOW CURRENT CONSUMPTION OUTPUT CAPACITOR-LESS
CMOS VOLTAGE REGULATOR
Rev.1.2_00
The S-1315 Series, developed by using the CMOS technology, is a positive voltage regulator IC of 200 mA output current
which has low dropout voltage, high-accuracy output voltage and low current consumption. The S-1315 Series enables high
density mounting due to output capacitor-less.
The current consumption is extremely low as 7 μA typ., and even without an output capacitor, it realizes high-speed
response.
It also has high-accuracy output voltage of ±1.0%.
Features
Output voltage:
1.0 V to 4.2 V, selectable in 0.05 V step
Input voltage:
1.4 V to 5.5 V
Output voltage accuracy:
±1.0% (1.0 V to 1.45 V output product: ±15 mV)
Dropout voltage:
Current consumption:
224 mV typ. (3.0 V output product, IOUT = 200 mA)
During operation: 7 μA typ., 13 μA max.
Output current:
Input and output capacitors:
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 200 mA (VIN VOUT(S) + 1.0 V)*1
A ceramic capacitor of 0.1 μF or more can be used for the input capacitor.
Output capacitor is unnecessary, or a ceramic capacitor of 10 μF or less
can be used.
Ripple rejection:
65 dB typ. (1.0 V output product, f = 1.0 kHz)
60 dB typ. (2.8 V output product, f = 1.0 kHz)
Built-in overcurrent protection circuit:
Limits overcurrent of output transistor.
Built-in ON / OFF circuit:
Ensures long battery life.
Constant current source pull-down is selectable.
Discharge shunt function is selectable.
Operation temperature range:
Ta = 40°C to +85°C
Lead-free (Sn 100%), halogen-free
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Applications
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for communication device
Constant-voltage power supply for mobile phone
Constant-voltage power supply for module
Packages
SOT-23-5
HSNT-6 (1212)
Seiko Instruments Inc.
1



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LOW CURRENT CONSUMPTION OUTPUT CAPACITOR-LESS CMOS VOLTAGE REGULATOR
S-1315 Series
Rev.1.2_00
Block Diagrams
1. S-1315 Series A type
VIN
Overcurrent
protection circuit
*1
VOUT
Function
ON / OFF logic
Discharge shunt
function
Constant current
source pull-down
Status
Active "H"
Available
Available
ON / OFF
ON / OFF circuit
+
Reference
voltage circuit
*1
VSS
*1. Parasitic diode
2. S-1315 Series B type
VIN
Overcurrent
protection circuit
Figure 1
*1
VOUT
Function
ON / OFF logic
Discharge shunt
function
Constant current
source pull-down
Status
Active "H"
Available
Unavailable
ON / OFF
ON / OFF circuit
+
Reference
voltage circuit
*1
VSS
*1. Parasitic diode
Figure 2
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Rev.1.2_00
LOW CURRENT CONSUMPTION OUTPUT CAPACITOR-LESS CMOS VOLTAGE REGULATOR
S-1315 Series
3. S-1315 Series C type
VIN
Overcurrent
protection circuit
*1
VOUT
Function
ON / OFF logic
Discharge shunt
function
Constant current
source pull-down
Status
Active "H"
Unavailable
Available
ON / OFF
ON / OFF circuit
+
Reference
voltage circuit
VSS
*1. Parasitic diode
4. S-1315 Series D type
VIN
Overcurrent
protection circuit
Figure 3
*1
VOUT
Function
ON / OFF logic
Discharge shunt
function
Constant current
source pull-down
Status
Active "H"
Unavailable
Unavailable
ON / OFF
ON / OFF circuit
+
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 4
Seiko Instruments Inc.
3



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LOW CURRENT CONSUMPTION OUTPUT CAPACITOR-LESS CMOS VOLTAGE REGULATOR
S-1315 Series
Rev.1.2_00
Product Name Structure
Users can select the product type, output voltage, and package type for the S-1315 Series. Refer to "1. Product
name" regarding the contents of product name, "2. Function list of product types" regarding the product type,
"3. Packages" regarding the package drawings, "4. Product name lists" regarding details of the product name.
1. Product name
S-1315 x xx - xxxx U 3
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
M5T1: SOT-23-5, Tape
A6T2: HSNT-6 (1212), Tape
Output voltage*2
10 to 42
(e.g., when the output voltage is 1.0 V, it is expressed as 10.)
Product type*3
A to D
*1. Refer to the tape drawing.
*2. If you request the product which has 0.05 V step, contact our sales office.
*3. Refer to "2. Function list of product types".
2. Function list of product types
Product Type
A
B
C
D
ON / OFF Logic
Active "H"
Active "H"
Active "H"
Active "H"
Table 1
Discharge Shunt Function
Available
Available
Unavailable
Unavailable
Constant Current Source Pull-down
Available
Unavailable
Available
Unavailable
3. Packages
Package Name
SOT-23-5
HSNT-6 (1212)
Table 2
Dimension
MP005-A-P-SD
PM006-A-P-SD
Package Drawing Codes
Tape
Reel
MP005-A-C-SD
MP005-A-R-SD
PM006-A-C-SD
PM006-A-R-SD
Land
PM006-A-L-SD
4 Seiko Instruments Inc.



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