Epson S1F70000 User Manual

1–2

S1F70000 Series

Technical Manual

Input voltage range

V

I

–10.0 to 0.5

V

Output voltage range

V

O

Min. –20.0

V

Power dissipation

P

D

300 (DIP)

 mW

150 (SOP)

Operating temperature range

T

opr

–40 to +85

˚C

Storage temperature range

T

stg

–65 to +150

˚C

Soldering temperature(for 10s). See note.

T

sol

260

˚C

Note:
Temperatures during reflow soldering must remain within the limits set out in LSI Device Precautions.
Never use solder dip to mount S1F70000 series power supply devices.

V

DD

 = 0V, Ta = –40 to +85˚C unless otherwise noted

R

OSC

 = 1M

Ω

,

C

1

/C

2

≤

1/20, C

2

≥

10

µ

F,

—

—

–1.5

Oscillator startup voltage

V

STA

Ta = –20 to +85˚C

V

See note 1.

R

OSC

 = 1M

Ω

—

—

–2.2

Oscillator shutdown voltage

V

STP

R

OSC

 = 1M

Ω

–1.5

—

—

V

Load resistance

R

L

R

L

 min

—

—

Ω

See note 2.

Output current

I

O

—

—

30.0

mA

Clock frequency

f

OSC

10.0

—

30.0

kHz

CR oscillator network

R

OSC

680

—

2,000

k

Ω

resistance

Capacitance

C

1

, C

2

3.3

—

—

µ

F

Notes:
1. The recommended circuit configuration for low-voltage operation (when V

I

 is between –1.2V and

–2.2V) is shown in the following figure.  Note that diode D1 should have a maximum forward voltage of
0.6V with 1.0mA forward current.

2. R

L

 min can be varied depending on the input voltage.