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ISL9105 Datasheet(PDF) 6 Page - Intersil Corporation

Part No. ISL9105
Description  600mA Low Quiescent Current 1.6MHz High Efficiency Synchronous Buck Regulator
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL9105 Datasheet(HTML) 6 Page - Intersil Corporation

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6
FN6415.1
February 13, 2007
Typical Applications
FIGURE 13. (PFM, VIN = 3.6V, VOUT =1.6V)
Typical Operating Performance (Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 3.6V, EN = VIN,
RSI = MODE = 0V, L = 3.3µH, C1 = 10µF, C2 = 10µF, IOUT = 0A) (Continued)
VPHASE
VOUT (AC COUPLED)
IL
IOUT
10mA
50mA
FIGURE 14. TYPICAL APPLICATION DIAGRAM
PARTS
DESCRIPTION
MANUFACTURERS
PART NUMBER
SPECIFICATIONS
SIZE
L
Output inductor
Sumida
CDRH4D14/HP-4R7
4.7
μH/1.40A/115mΩ
4.6x4.6x1.5mm
Sumida
CDRH2D14NP-3R3
3.3
μH/1.20A/100mΩ
3.2x3.2x1.55mm
Coilcraft
LPS3015-472MLB
4.7
μH/1.10A/200mΩ
3.3x3.3x1.4mm
C1
Input capacitor
Murata
GRM21BR60J106KE19L
10
μF/6.3V
2.0x1.25x1.25mm (0805)
C2
Output capacitor
Murata
GRM21BR60J475KA11L
4.7
μF/6.3V, 10μF/6.3V
2.0x1.25x1.25mm (0805)
C3
Panasonic
ECJ-1VC2A100D
10pF/100V
0603
R1
Pull-up resistor
Various
100k
Ω
1.6x0.8x0.45mm (0603)
L
PHASE
GND
FB
RSI
VIN
EN
POR
MODE
INPUT
OUTPUT
1.6V/600mA
C1
10µF
VIN
R1
100k
ISL9105
C2
R2
100k
R3
100k
2.7V TO 5.5V
C3
ISL9105


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