S-8365AAABA-M5T1Y2 Datasheet, PDF (35/63 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.2.1_01
S-8365/8366 Series
2. Examples of Major Temperature Characteristics (Ta = −40 to 85°C)
(1) Current consumption during operation (ISS1) vs. Temperature (Ta)
fOSC = 1.2 MHz
700
700
600
VDD = 5.5 V
600
VDD = 5.5 V
VDD = 3.6 V
500
500
VDD = 2.0 V
400
VDD = 3.6 V
400
300
300
200
VDD = 2.0 V
200
100
100
0
−40 −25
0
25 50 75 85
0
−40 −25 0
Ta [C]
fOSC = 600 kHz
25 50
Ta [C]
75 85
(2) Current consumption during shutdown (ISSS) vs. Temperature (Ta)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
−40 −25
VDD = 5.5 V
VDD = 3.6 V
VDD = 2.0 V
0
25 50
75 85
Ta [C]
(3) Oscillation frequency (fOSC) vs. Temperature (Ta)
fOSC = 1.2 MHz
1.4
VDD = 5.5 V
1.3
VDD = 3.6 V
VDD = 2.0 V
1.2
1.1
1.0
−40 −25
0
25 50
Ta [C]
75 85
700
VDD = 5.5 V
650
VDD = 3.6 V
VDD = 2.0 V
600
fOSC = 600 kHz
550
500
−40 −25
0
25 50
Ta [C]
75 85
(4) Maximum duty ratio (MaxDuty) vs. Temperature (Ta)
fOSC = 1.2 MHz
100
95
VDD = 5.5 V
VDD = 3.6 V
90
VDD = 2.0 V
85
80
75
70
−40 −25
0
25 50
Ta [C]
75 85
fOSC = 600 kHz
100
95
90
85
VDD = 5.5 V
80
VDD = 3.6 V
VDD = 2.0 V
75
70
−40 −25
0
25 50
Ta [C]
75 85
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