参数资料
型号: S-1312B17-A4T1U3
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, HSNT-4
文件页数: 22/41页
文件大小: 523K
代理商: S-1312B17-A4T1U3
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_00
S-1312 Series
Seiko Instruments Inc.
29
4. Output capacitance vs. Characteristics of discharge time (Ta
= +25°C)
VIN
= VOUT + 1.0 V, IOUT = no load
VON / OFF
= VOUT + 1.0 V → VSS, tf = 1 μs
tDSC
[ms]
1.5
1.0
0.5
0
CL [
μF]
2468
2.0
2.5
010
12
VOUT(S) = 1.0 V
3.5 V
2.5 V
VOUT
VON / OFF
1
μs
tDSC
VOUT
× 10%
VSS
VIN
= VOUT + 1.0 V
VON / OFF
= VOUT + 1.0 V → VSS
Figure 20 S-1312 Series A / B types
(with discharge shunt function)
Figure 21 Measurement Condition of Discharge Time
5. Example of equivalent series resistance vs. Output current characteristics (Ta
= +25°C)
100
0.1
180
IOUT [mA]
R
ES
R
]
CIN
= CL = 0.22 μF
0
Stable
CIN
VIN
VSS
S-1312 Series
VOUT
ON / OFF
CL
*1
RESR
*1. CL: TDK Corporation C2012X7R1H224K
Figure 22
Figure 23
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