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S8340 Datasheet(PDF) 37 Page - Seiko Instruments Inc

Part # S8340
Description  STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
PDF  55 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8340 Datasheet(HTML) 37 Page - Seiko Instruments Inc

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STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8340/8341 Series
37
2. Output Current (IOUT) vs. Efficiency (
η) Characteristics
The following shows the actual output current (IOUT) vs. efficiency (
η) characteristics when the S-8340/8341 Series is
used under conditions (1) to (24) in Tables 10 and 11.
(1) S-8340A25AFT
(2) S-8340A25AFT
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
IOUT(mA)
V
IN=1 .2 V
1.5V
1.8V
(CDRH5D18/4.1μH, NDS335N)
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN=1.5 V
2.4V
1.8V
IOUT(mA)
(CDRH124/10μH, FTS2001)
(3) S-8341A25AFT
(4) S-8341A25AFT
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
V
IN=1 .2 V
1.5V
1.8V
IOUT(mA)
(CDRH5D18/4.1μH, NDS335N)
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN=1 .5 V
1.8V
2.4V
IOUT(mA)
(CDRH124/10μH, FTS2001)
(5) S-8340A33AFT
(6) S-8340A33AFT
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
V
IN=1 .2 V
3.0V
1.8V
IOUT(mA)
(CDRH5D18/4.1μH, NDS335N)
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN=1 .5 V
3.0V
1.8V
IOUT(mA)
(CDRH124/10μH, FTS2001)
(7) S-8341A33AFT
(8) S-8341A33AFT
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
V
IN=1 .2 V
3.0V
1.8V
IOUT(mA)
(CDRH5D18/4.1μH, NDS335N)
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN=1 .5 V
3.0V
1.8V
IOUT(mA)
(CDRH124/10μH, FTS2001)
VIN
= 1.2 V
(CDRH5D18/4.1
μH, NDS335N)
IOUT (mA)
IOUT (mA)
IOUT (mA)
IOUT (mA)
IOUT (mA)
IOUT (mA)
IOUT (mA)
IOUT (mA)
(CDRH124/10
μH, FTS2001)
(CDRH5D18/4.1
μH, NDS335N)
(CDRH124/10
μH, FTS2001)
(CDRH5D18/4.1
μH, NDS335N)
(CDRH124/10
μH, FTS2001)
(CDRH5D18/4.1
μH, NDS335N)
(CDRH124/10
μH, FTS2001)
VIN
= 1.2 V
VIN
= 1.5 V
VIN
= 1.2 V
VIN
= 1.5 V
VIN
= 1.2 V
VIN
= 1.2 V
VIN
= 1.5 V
VIN
= 1.5 V



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