參數(shù)資料
型號(hào)： S-1312C19-A4T1U3
元件分類： 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述： FIXED POSITIVE LDO REGULATOR, PDSO4
封裝： HALOGEN FREE AND LEAD FREE, HSNT-4
文件頁(yè)數(shù)： 11/41頁(yè)
文件大?。?/td> 523K
代理商： S-1312C19-A4T1U3
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_00
S-1312 Series
Seiko Instruments Inc.
19
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 17 and 18.
3. 1 S-1312 Series A / C types
The ON / OFF pin is internally pulled down to VSS in the floating status, so the VOUT pin is set to the VSS level. 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-1312 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 11
Logic 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. Note that the IC’s current consumption increases as much as current flows into the pull-down resistor when
the ON / OFF pin is connected to VIN and the S-1312 Series A/C types is operating (refer to Figure 17)
VSS
VIN
ON / OFF
VSS
VIN
ON / OFF
Figure 17 S-1312 Series A / C types
Figure 18 S-1312 Series B / D types
相關(guān)PDF資料
PDF描述
S-1312C19-M5T1U3 FIXED POSITIVE LDO REGULATOR, PDSO5
S-1312C29-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
S-1312C29-M5T1U3 FIXED POSITIVE LDO REGULATOR, PDSO5
S-1312D18-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
S-1312D18-M5T1U3 FIXED POSITIVE LDO REGULATOR, PDSO5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-1312C19-M5T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
S-1312C1J-M5T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
S-1312C20-A4T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:
S-1312C20-A4T2U3 制造商:Seiko Instruments Inc (SII) 功能描述:
S-1312C20-M5T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
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