S1F78B20 Epson Electronics America, Inc., S1F78B20 Datasheet - Page 12

• Manufacturer Part Number: S1F78B20
• Description: Positive Voltage Cmos Regulator
• Manufacturer: Epson Electronics America, Inc.

12. CHARACTERISTICS
14. CE Pin Transient Response (Measuring circuit, Fig.5)
15. Output Noise (Measuring circuit, Fig.1)
16. Discharge Tr ON Resistance (Measuring circuit, Fig.7)
8
Time required until the output voltage reaches the specified value when the CE pin is switched from OFF to
ON or ON to OFF.
<Conditions>
Output current: I
Time required until the output voltage reaches 90% of V
voltage (1.1[V]), changing the CE pin voltage from 0[V] to V
AC effective value in output voltage.
<Conditions>
Output current: I
ON resistance value of internal transistor that removes the Cout charge in the standby state.
<Conditions>
Obtained from the value of the current that is supplied to the V
at input voltage = 4.0V, CE=V
OUT
OUT
=50[mA], Input voltage: V
=50[mA], Input voltage: V
SS
, and V
OUT
=3V.
OUT
OUT
EPSON
(S)+1.0[V]
(S)+1.0[V] Frequency: 10[Hz] to 100[kHz]
OUT
(S) when the CE pin voltage exceeds the H level
OUT
OUT
(S)+1.0[V] at 1[µs].
pin when the power is applied externally
S1F78B20 Technical Manual (Rev.1.1)