Epson S1F76610C0B0, Technical Manual

Page: 91 / 243

S1F76640 Series
2–48
EPSON
S1F70000 Series
Technical Manual
Electrical Characteristics
Unless otherwise specified, Ta=–40˚C to +85˚C
GND=0V, V
DD
=5V
Parameter Symbol
Specification Value
Unit Conditions
Measurement
Min. Typ. Max. Circuit
Input supply voltage V
DD
1.8 — 5.5 V — —
Output voltage V
O
— — 22 V — —
V
REG
V
RV
— 22 V R=
∞
, R
RV
=1M
Ω
, V
O
=22V
2
Stabilization circuit V
O
V
RV
+2.1 — 22 V — —
operating voltage
Step-up circuit current I
OPR1
— 60 100
µ
A R
L
=
∞
, R
OSC
=1M
Ω
1
consumption (V
DD
system)
Step-up circuit current I
OPR2
— 12 25
µ
A R
L
=
∞
, R
OSC
=1M
Ω
, 2
consumption (VRI system) V
O
=20V
Static current I Q — — 2
µ
A TC2=TC1=V
O
,RI=
∞
1
Oscillation frequency f
OSC
16 20 24 kHz R
OSC
=1M
Ω
1
Output impedance R
O
— 250 350
Ω
I
O
=10mA 1
Step-up power conversion Peff 90 95 — % I
O
=5mA
1
efficiency (Note 2)
Stabilized output
∆
V
REG
— 0.2 — %/V 10V<V
O
<20V,V
REG
=10V
2
voltage fluctuation
∆
V
O
⋅
V
REG
R
L
=
∞
, Ta=25˚C
Stabilized output load
∆
V
REG
— 5.0 —
Ω
V
O
=20V,V
REG
=15V
2
fluctuation (Note 3)
∆
I
O
Ta=25˚C,0<I
O
<10mA
TC1=V
O
,TC2=GND
Stabilized output saturation R
SAT
— 12 —
Ω
R
SAT
=
∆
(V
O
-V
REG
)/
∆
I
O
2
resistance (Note 4) 0<I
O
<10mA,RV=V
O
Ta=25˚C
Reference voltage V
RV0
2.20 3.00 3.80 V TC2=GND,TC1=V
O
,Ta=25˚C
2
V
RV1
2.30 2.80 3.30 V TC2=TC1=GND,Ta=25˚C
V
RV2
1.70 2.00 2.30 V TC2=V
O
,TC1=GND,Ta=25˚C
Temperature gradient C
T0
–0.45 –0.27 –0.10 %/˚C V
DD
=5V,V
O
=20V 2
C
T1
–0.60 –0.42 –0.25 %/˚C (Note 5)
C
T2
–0.70 –0.55 –0.40 %/˚C
Input leak current I
LKI
— — 2
µ
A P
OFF
,TC1,TC2,OSC1,RV pins 3