High Current, High Frequency, Power Inductors
FLAT-PAC™ FP1109 Series
Description:
• Halogen free
• 125°C maximum total temperature operation
• 11.2 x 11.2 x 9.0mm surface mount package
• Ferrite core material
• High current carrying capacity, low core losses
• Controlled DCR tolerance for sensing circuits
• Inductance range from 205nH to 950nH
• Current range from 11.5 to 69 amps
• Frequency range up to 2MHz
• RoHS compliant
1 Open Circuit Inductance (OCL) Test Parameters: 100kHz, 0.10V rms , 0.0Adc
2 Full Load Inductance (FLL) Test Parameters: 100kHz, 0.1V rms , I sat 1
3 I rms : DC current for an approximate temperature rise of 40°C without core loss. Derating is
1108
Part Number
FP1109-R20-R
FP1109-R23-R
FP1109-R27-R
FP1109-R33-R
FP1109-R47-R
FP1109-R58-R
FP1109-1R0-R
SMD Device
necessary for AC currents. PCB pad layout, trace thickness and width, air-flow and proximity of
other heat generating components will affect the temperature rise. It is recommended the part
temperature not exceed 125°C under worst case operating conditions verified in the end
application.
BU-SB08800
7
OCL
1
± 10% (nH) FLL
205
247
270
311
463
548
950
2
Min. (nH)
122
147
160
185
275
325
565
I rms
Product Specifications
3
35
(Amps) I sat 1
4 I sat 1: Peak current for approximately 30% rolloff at +25°C.
5 I sat 2: Peak current for approximately 30% rolloff at +125°C.
6 K-factor: Used to determine B p-p for core loss (see graph). B p-p = K * L * ΔI * 10 -3 , B p-p : (Gauss),
7 Part Number Definition: FP1109-xxx-R
4
@ 25°C (Amps) I sat 2
Applications:
• Multi-phase regulators
• Voltage Regulator Module (VRM)
• Desktop and server VRMs and EVRDs
• Data networking and storage systems
• Notebook regulators
• Graphics cards and battery power systems
• Point-of-load modules
• DCR sensing
Environmental Data:
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
• Solder reflow temperature: J-STD-020D compliant
Packaging:
• Supplied in tape and reel packaging, 350 parts per reel,
K: (K-factor from table), L: (inductance in nH), ΔI (peak-to-peak ripple current in amps).
• FP1109 = Product code and size
• xxx= Inductance value in μH, R = decimal point. If no “R” is present, then
• “-R” suffix = RoHS compliant
third character = # of zeros
22.5
11.5
(Range is application specific)
13” diameter reel
Page 1 of 4
69
55
51
44
27
5
@ 125°C (Amps) DCR (mΩ) @ 20°C K-factor
Data Sheet: 4350
8.5
52
41
38
33
20
17
0.42 ±10%
233
233
233
233
233
233
233
6