Electrical Characteristics - Epson Power Supply IC S1F70000 Technical Manual

S1F76640 Series

Electrical Characteristics

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