Epson Power Supply S1F70000 User Manual
Page 64
S1F76540 Series
S1F70000 Series
EPSON
2–21
Technical Manual
S1F76540
Series
Parameter
Symbol
Characteristics
Min.
Typ.
Max.
Unit
Regulated output load
V
RI
= –20 V, V
REG
= –15 V,
variation
∆
V
O
(
*
3) Ta = 25
°
C setup
30
50
mV
0 < I
REG
< 20 mA
V
REF0
TC1 = V
DD
, TC2 = V
DD
–1.55 –1.50 –1.45
V
Reference voltage
V
REF1
TC1 = V
DD
, TC2 = V
I
–1.70 –1.50 –1.30
V
(Ta = 25
°
C)
V
REF2
TC1 = V
I
, TC2 = V
DD
–1.90 –1.50 –1.10
V
V
REF3
TC1 = V
I
, TC2 = V
I
–2.15 –1.50 –0.85
V
Reference voltage
C
T0
TC1 = V
DD
, TC2 = V
DD
, SSOP product
–0.07 –0.04
0
%/
°
C
temperature coefficient
C
T1
TC1 = V
DD
, TC2 = V
I
, SSOP product
–0.25 –0.15 –0.07 %/
°
C
(
*
4,
*
5)
C
T2
TC1 = V
I
, TC2 = V
DD
, SSOP product
–0.45 –0.35 –0.20 %/
°
C
C
T3
TC1 = V
I
, TC2 = V
I
, SSOP product
–0.75 –0.55 –0.30 %/
°
C
V
I
= –2.4 to –5.5 V
V
IH
Pins used: P
OFF1
, P
OFF2
, FC,
0.2 V
I
V
Input voltage level
TC1, TC2
V
I
= –2.4 to –5.5 V
V
IL
Pins used: P
OFF1
, P
OFF2
, FC,
0.8 V
I
V
TC1, TC2
Booster capacitance
CMAX
Capacitors used: C1, C2 and C3
47
µ
F
Table 2.3 DC characteristics (3)
Ta = –30
°
C to +85
°
C, V
DD
= 0 V, V
I
= –5.0 V
unless otherwise noted
*1
R
SAT
=
∆
(V
REG
– V
RI
)
∆
I
REG
*2
∆
V
R
=
V
REG
(V
RI
= –20 V) – V
REG
(V
RI
= –10 V)
∆
V
RI
• V
REG
(V
RI
= –10 V)
*3
∆
V
O
=
V
REG
(I
REG
= 20 mA) – V
REG
(I
REG
= 0 mA)
∆
I
REG
*4
C
T
=
| V
REF
(50
°
C) | – | V
REF
(0
°
C) |
×
100
50
°
C – 0
°
C
| V
REF
(25
°
C) |
*5
The reference voltage and temperature coefficient of the chip products may vary depending on the mold-
ings used on each chip. Use these chips only after the temperature test.