s1f78520 Epson Electronics America, Inc., s1f78520 Datasheet - Page 16

• Manufacturer Part Number: s1f78520
• Description: Charge-pump Step Down Regulator With Power Saving Mode
• Manufacturer: Epson Electronics America, Inc.

S1F78520
<Note 1> Conditions on the operation mode, external parts constant, pins, etc. in case particular designations
<Note 2> The supply voltage value where the output voltage becomes 0.1V or less. (Pullup resistance : 470k ,
<Note 3> Time when the output voltage reaches 1.8V after applying the minimum operating voltage of
16
Detection voltage
Hysteresis width
Reference detection
voltage 1
Reference detection
voltage 2
Min. operating voltage
Output current
(Driver output pin)
Off leak current
(Driver output pin)
Transfer delay time
Detection voltage /
temperature coefficient
Low voltage detection
Item
are not made are as follows:
Connection and parts constant
XPOFF pin
XSTBY pin
Pullup voltage : 3.6V)
pulse voltage to V
–VDET
VHYS
V
V
VVDDL
IVDET
IVDOFF
TPLH
REF1
REF2
-VDET
Topr
Symbol
DD
on the condition that pullup resistance is 470k and pullup voltage is 3.6V.
VSEL pin = V
(Internal voltage setting fixed to the IC)
VSEL pin = V
(Internal voltage setting fixed to the IC)
VSEL pin = V
(External voltage setting to the VSENS pin)
VSEL pin = V
(External voltage setting to the VSENS pin)
Topr = 25 C
–30 C
V
XVDET = 0.1V
V
VSEL pin = V
(Internal voltage setting fixed to the IC)
–30 C
DD
DD
= 3.6 V
= XVDET = 5.5V
: Standard connection 1
: XPOFF = HIGH (Normal mode)
: XSTBY = HIGH (Normal mode)
In case particular designations are not made (Note 1): Ta = 25 C
Topr
Topr
Conditions
DD
DD
SS
SS
DD
—
*
*
*
*
*
85 C
85 C
level
level
level
level
level
–150
Min.
3.20
0.01
0.97
0.99
0.36
—
—
—
—
Rating
1.025
Typ.
3.30
0.09
1.00
—
—
—
—
—
300
1.055
Max.
3.40
0.18
1.03
1.53
150
100
1.5
—
—
ppm/ C
Unit
mA
nA
V
V
V
V
V
s
Remarks
Rev. 1.2
—
—
—
—
—
—
—
2
3
3.6V