S-1721 Seiko Instruments, S-1721 Datasheet - Page 12

• Manufacturer Part Number: S-1721
• Description: SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments

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*1. V
*2. The output current at which the output voltage becomes 95% of V
*3. V
*4. The change in temperature [mV/°C] is calculated using the following equation.
*5. The output current can be at least this value.
12
SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1721 Series
V
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large.
This specification is guaranteed by design.
OUT(S)
OUT(E)
drop
V
V
*1. Change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
∆V
= V
OUT3
IN1
∆Ta
: Specified output voltage
: Actual output voltage at the fixed load
Output voltage when fixing I
OUT
IN1
is the input voltage at which the output voltage becomes 98% of V
is the output voltage when V
− (V
[
mV/
OUT3
°
C
]
× 0.98)
1 *
=
V
OUT(S)
[ ]
V
2 *
OUT
×
(= 30 mA) and inputting V
IN
∆Ta
= V
∆V
OUT(S)
•
OUT
V
Seiko Instruments Inc.
OUT
+ 1.0 V and I
[
ppm/
°
C
]
3 *
OUT
÷
1000
OUT(S)
OUT(E)
= 100 mA.
+1.0 V
after gradually increasing the output current.
OUT3
after gradually decreasing the input voltage.
Rev.1.1
_00