S-8340A25AFT-T2-X Datasheet, PDF (37/55 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
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
(_(CC_DD_RR_HH₅5_DD₁₈1_/8₄/_.14._μ1_Hμ_,H_N,_DN_SD₃₃S₅3_N3₎ 5N)
100
90
1.8V
80
70
60
50
V_IINN==₁1_..₂2_VV
40
30
20
1.5V
0.1
1
10
100
1000
I_OI_UO_TUT(m(mAA) )
(2) S-8340A25AFT
(⁽C^CD^DR^RH^H12¹4²/1⁴0^/1μ⁰H^μ,^HF^,TS^F2^T0^S0²1)⁰⁰¹⁾
100
90
2.4V
80
70
60
50
V_VIINN==₁1_..₅5_VV
40
30
20
0.1
1
10
100
IOUT((mmA))
1.8V
1000 10000
(3) S-8341A25AFT
(4) S-8341A25AFT
(⁽C^CD^DR^RH^H5⁵D^D18¹/⁸4.^/1^4.μ¹H^μ,^HN^,D^NS^D33^S5³N³) ^5N)
100
90
1.8V
80
70
60
50
V_{VINI N}= ₁1_.2VV
40
30
20
0.1
1
10
100
I_OI_UO_TUT((mmAA) )
1.5V
1000
(⁽C^CD^DR^RH^H12¹4²/⁴10^/1μ⁰Hμ,^HF^,TS^F2^T0^S0²1⁰) ⁰¹⁾
100
90
2.4V
80
70
60
V_INV_I=_N=11.5.5VV
1.8V
50
40
30
20
0.1
1
10
100 1000 10000
II_OO_UTT((mmAA))
(5) S-8340A33AFT
(6) S-8340A33AFT
100 ^{((CCDDRRHH55DD181/84/.14.μ1Hμ,HN,DNS3D3S5N33) 5N)}
90
3.0V
80
70
60
50
40
V_IN^V=I N1⁼.¹2^.2V^V _1.8V
30
20
0.1
1
10
100
1000
I_OI_UO_TUT(m(mAA) )
100 ^{((CCDDRRHH12142/140/1μ0Hμ, HFT, SF2T0S012)001)}
90
3.0V
80
70
60
50
V^V_I^I_N^N==¹1^..⁵5^VV
40
1.8V
30
20
0.1
1
10
100 1000
IOU_UT_T((mmA))
10000
(7) S-8341A33AFT
(8) S-8341A33AFT
100 ^{(C(CDDRRHH5D51D81/48.1/4μ.H1,μNHD, SN3D35SN3)35N)}
90
3.0V
80
70
60
50
V_{VI NIN}=₌1.₁2_.V_{2 V}
40
1.8V
30
20
0.1
1
10
100
I_OI_UO_TUT(m(mAA) )
1000
100 ^{((CCDDRRHH12142/140/1μ0Hμ, HFT, SF2T0S012)001)}
90
3.0V
80
70
1.8V
60
50
40
30
V^V_IN^{I N}=⁼¹1^..⁵5^VV
20
0.1
1
10
100 1000
IOUUT((mmA))
10000
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