S-8363B-I6T1U2 Datasheet, PDF (33/50 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM/PFM SWITCHABLE SWITCHING REGULATOR
Rev.2.0_01
S-8363 Series
(16) Low level input voltage (VSL) vs Temperature (Ta)
0.60
0.55
0.50
0.45
0.40
0.35
VIN = 0.9 V
VIN = 1.8 V
VIN = 4.2 V
VIN = 4.5 V
0.30
−40 −25
0
25 50
Ta [C]
75 85
(17) FB voltage (VFB) vs. Temperature (Ta)
0.63
0.62
0.61
0.60
0.59
0.58
VOUT = 3.3 V
0.57
−40 −25
0
25 50
Ta [C]
75 85
(18) Operating start voltage (VST) vs.
Temperature (Ta)
1.2
1.0
0.8
0.6
IOUT = 10 mA
0.4
IOUT = 1 mA
0.2
IOUT = 0.1 mA
0.0
−40 −25
0
25 50
Ta [C]
75 85
(19) Start-up mode release voltage (VSTU+) vs.
Temperature (Ta)
1.6
1.5
1.4
1.3
1.2
1.1
−40 −25
0
25 50
Ta [C]
75 85
33