s-8337aaca-t8t1g Seiko Instruments Inc., s-8337aaca-t8t1g Datasheet - Page 38
![no-image](/images/no-image-200.jpg)
s-8337aaca-t8t1g
Manufacturer Part Number
s-8337aaca-t8t1g
Description
Step-up, 1.2 Mhz High-frequency, Pwm Control Switching Regulator Controller
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8337AACA-T8T1G.pdf
(49 pages)
- Current page: 38 of 49
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38
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
3. 3 V
(1) f
(3) f
Vr
[mV]
Vr
[mV]
OSC
OSC
100
100
OUT
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
= 1133 kHz, MaxDuty = 77 % (R
= 286 kHz, MaxDuty = 77 % (R
0.01
0.01
= 6.1 V (R
0.1
0.1
FB1
= 5.1 k Ω , R
1
1
I
I
OUT
OUT
[mA]
[mA]
OSC
OSC
10
10
FB2
= 510 kΩ, R
= 120 kΩ, R
= 1.0 k Ω )
V
V
V
V
100
100
IN
IN
IN
IN
Seiko Instruments Inc.
= 1.8 V
= 3.3 V
= 1.8 V
= 3.3 V
Duty
Duty
= 750 kΩ)
1000
1000
= 180 kΩ)
(2) f
Vr
[mV]
OSC
100
90
80
70
60
50
40
30
20
10
0
= 700 kHz, MaxDuty = 77 % (R
0.01
0.1
1
I
OUT
[mA]
OSC
10
= 200 kΩ, R
V
V
100
IN
IN
= 1.8 V
= 3.3 V
Rev.3.1
Duty
= 300 kΩ)
1000
_00
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