参数资料
型号: S-1313A11-N4T1U3
元件分类: 固定正电压单路输出LDO稳压器
英文描述: FIXED POSITIVE LDO REGULATOR, PDSO4
封装: HALOGEN FREE AND LEAD FREE, SC-82AB, 4 PIN
文件页数: 13/50页
文件大小: 641K
代理商: S-1313A11-N4T1U3
SUPER LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1313 Series
Rev.1.1_00
Seiko Instruments Inc.
20
3. ON / OFF pin
This pin starts and stops the regulator.
When the ON / OFF pin is set to the power-off level, the entire internal circuit stops operating, and the built-in P-
channel MOS FET output transistor between the VIN and VOUT pins is turned off, reducing current consumption
significantly.
Note that the current consumption increases when a voltage of 0.25 V to VIN
0.3 V is applied to the ON / OFF pin. The
ON / OFF pin is configured as shown in Figures 18 and 19.
3. 1 S-1313 Series A / C types
The ON / OFF pin is internally pulled down to VSS by constant current source, so the VOUT pin is set to the VSS
level in the floating status. For the ON / OFF pin current, refer to the A / C type of ON / OFF pin input current “H” in
“ Electrical Characteristics”.
3. 2 S-1313 Series B / D types
Do not use the ON / OFF pin in the floating state because this pin is internally not pulled up or pulled down. When
not using the ON / OFF pin, connect the pin to the VIN pin.
Table 12
Product Type
ON / OFF Pin
Internal Circuits
VOUT Pin Voltage
Current Consumption
A / B / C / D
“H” : Power-on
Operate
Set value
ISS1
*1
A / B / C / D
“L” : Power-off
Stop
VSS level
ISS2
*1. IC’s current consumption increases as much as current flows into the constant current source when the ON
/ OFF pin is connected to VIN and the S-1313 Series A / C types is operating (Figure 18).
VSS
VIN
ON / OFF
VSS
VIN
ON / OFF
Figure 18 S-1313 Series A / C types
Figure 19 S-1313 Series B / D types
相关PDF资料
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S-1313A11-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
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