Epson Power Supply S1F70000 User Manual
Page 63
S1F76540 Series
2–20
EPSON
S1F70000 Series
Technical Manual
Parameter
Symbol
Characteristics
Min.
Typ.
Max.
Unit
I
O
= 10 mA, V
I
= –5.0 V during
4-time boosting
200
300
Ω
Boost output impedance
R
O
C1, C2, C3, C
O
= 10
µ
F (tantalum)
I
O
= 10 mA, V
I
= –3.0 V,
Ta = 25
°
C during 4-time boosting
250
300
Ω
C1, C2, C3, C
O
= 10
µ
F (tantalum)
I
O
= 2 mA, V
I
= –5.0 V during
4-time boosting
95
%
Boost power conversion
Peff
C1, C2, C3, C
O
= 10
µ
F (tantalum)
efficiency
I
O
= 2 mA, V
I
= –3.0 V, Ta = 25
°
C
during 4-time boosting
94
%
C1, C2, C3, C
O
= 10
µ
F (tantalum)
FC = V
DD
, P
OFF1
= V
I
, P
OFF2
= V
DD
,
V
I
= –5.0 V during no loading
130
220
µ
A
Booster operation current
I
OPR1
C1, C2, C3, C
O
= 10
µ
F (tantalum)
consumption 1
FC = V
DD
, P
OFF1
= V
I
, P
OFF2
= V
DD
,
V
I
= –3.0 V, Ta = 25
°
C during no loading
100
150
µ
A
C1, C2, C3, C
O
= 10
µ
F (tantalum)
FC = V
I
, P
OFF1
= V
I
, P
OFF2
= V
DD
,
V
I
= –5.0 V during no loading
520
880
µ
A
Booster operation current
I
OPR2
C1, C2, C3, C
O
= 10
µ
F (tantalum)
consumption 2
FC = V
I
, P
OFF1
= V
I
, P
OFF2
= V
DD
,
V
I
= –3.0 V, Ta = 25
°
C during no loading
400
600
µ
A
C1, C2, C3, C
O
= 10
µ
F (tantalum)
Regulator operation
I
OPVR
V
RI
= –20 V, R
RV
= 1 M
Ω
during
10
15
µ
A
current consumption
no loading
Static current
I
Q
P
OFF1
= V
I
, P
OFF2
= V
I
5.0
µ
A
FC = V
DD
Input leakage current
I
LKI
Pins used: P
OFF1
, P
OFF2
, FC,
0.5
µ
A
TC1, TC2
Regulated output
0 < I
REG
< 20 mA
saturation resistance
R
SAT
(
*
1) R
V
= V
DD
10
20
Ω
Ta = 25
°
C
Regulated output
–20 V < V
RI
< –10 V, I
REG
= 1 mA
voltage stability
∆
V
R
(
*
2) V
REG
= –9 V
0.2
%/V
Ta = 25
°
C
Table 2.3 DC characteristics (2)
Ta = –30
°
C to +85
°
C, V
DD
= 0 V, V
I
= –5.0 V
unless otherwise noted