S-8340A25AFT-T2-X Datasheet, PDF (45/55 Pages) Seiko Instruments Inc – SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8340/8341 Series
5. Output Current (IOUT) vs. Ripple Voltage (Ripple) Characteristics
The following shows the actual output current (IOUT) vs. ripple voltage (Ripple) characteristics when the S-8340/8341
Series is used under conditions (37) to (60) in Tables 14 and 15.
(37) S-8340A25AFT
300 ^{((CCDDRRH5HD51D8/148.1/4μH.1μ, HND, SN3D35SN3, 3457 NμF,4) 7μF)}
300 ^{((CCDDRRH5HD51D8/14.81/4μH.1μ, NHD,NS3D3S5N3,3457Nμ,F47×μ2F)×2)}
250
VV_ININ==11..22V
250
200
200
150
1.5V
150
1.8V
1.5V
100
50
0
1
1.8V
10
100
I_OIUOTUT(m_(mA)_A)
1000
(38) S-8340A25AFT
600 ^{((CCDDRRHH12142/140/1μ0Hμ,HFT,FST2S00200, 0471,μ4F7×μF2)×2)}
100
50
0
1
V_INV=_IN1=.12.V2V
10
100
I_OI_UO_TUT(m(mA)A)
1000
600 ^{((CCDDRRHH5D11284/4/1.10μμHH,,NFDTSS323050N1, ,4170μ0Fμ×F×2)2)}
500
VV_{INI N}==1.5 VV
400
2 .4 V
300
1 .8 V
200
500
1 .8 V
400
300
V_IV_{N I} =_N=11.5.5VV
2 .4 V
200
100
100
0
10
100
1000
I_OIUOTU(_Tm_(mA)_{A )}
10000
(39) S-8341A25AFT
300 ^{((CCDDRRHH5D5D181/48./14μ.1Hμ, HND, SN3D35SN3,3457Nμ,F4)7μF)}
0
10
100
1000
I_OUI_OTU(_Tm(mA)A )
10000
300 ^{((CCDDRRHH5D51D81/48.1/4μ.H1,μNHD, SN3D35SN3, 3457NμF,4×72μ)F×2)}
250
200
V_INV=_{I N}1=.12.V2V
150
1 .5 V
100
250
1 .8 V
200
150
1 .5 V
100
V_IV_{N I}=_N=11.2.2VV
50
0
1
10
100
I_OIOUIUOTTU(_Tm(m_(mAA)_{A) )}
1 .8 V
1000
(40) S-8341A25AFT
600 ^{(CDRH124/10μH, FTS2001,47μF×2)}
50
0
1
10
100
I_OI_UOTUT((mmAA) )
1000
600 ^{(CDRH124/10μH,FTS2001,100μF×2)}
500
VV_INI =N=11.5.5VV
400
500
400
1 .8 V
2 .4 V
300
1.8V
200
300
V_IV_{N I}=_N=11.5.5VV
200
100
0
10
100
1000
I_OI_UO_TUT(m(mAA) )
2.4V
10000
100
0
10
100
1000
I_OIUOTU(_Tm_(mA)_{A )}
10000
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