FAN5026 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN5026 Datasheet PDF : 17 Pages
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Typical Applications (Continued)
VIN = 3 to 16V
+5
VCC 28
C4
R2
ILIM1 11
EN1 8
C2 SS1 12
+5
R3
PG1 15
VIN
14
PWM 1
6 BOOT1
Q1A
5 HDRV1
4 SW1
Q1B
2 LDRV1
3 PGND2
7 ISNS1
10 VSEN1
EN2 21
PG2 16
SS2 17
C3
AGND 1
DDR 13
GND 20
GND 9
PWM 2
23 BOOT2
Q2A
24 HDRV2
25 SW2
Q2B
27 LDRV2
26 PGND2
22 ISNS2
19 VSEN2
18 ILIM2
C1
C9
D1
+5
C5
L1 2.5V@4A
C6
R4
R6
R5
VIN
D2
+5
C7
L2
R7
1.8V@2A
C8
R8
R9
R1
Figure 5. Dual Regulator Application
Table 2. Dual Regulator BOM
Description
Qty
Ref.
Vendor
Part Number
Capacitor 68µF, Tantalum, 25V, ESR 95mΩ
Capacitor 10nF, Ceramic
Capacitor 68µF, Tantalum, 6V, ESR 1.8Ω
Capacitor 150nF, Ceramic
Capacitor 330µF, Poscap, 4V, ESR 40mΩ
Capacitor 0.1µF, Ceramic
56.2KΩ, 1% Resistor
10KΩ, 5% Resistor
3.24KΩ, 1% Resistor
1.82KΩ, 1% Resistor
1.5KΩ, 1% Resistor
Schottky Diode 30V
Inductor 6.4µH, 6A, 8.64mΩ
Dual MOSFET with Schottky
DDR Controller
1 C1
2 C2, C3
1 C4
2 C5, C7
2 C6, C8
2 C9
1 R1, R2
1 R3
1 R4
3 R5, R8, R9
2 R6, R7
2 D1, D2
2 L1, L2
1 Q1
1 U1
AVX
Any
AVX
Any
Sanyo
Any
Any
Any
Any
Any
Any
Fairchild
Panasonic
Fairchild
Fairchild
TPSV686*025#095
TAJB686*006
4TPB330ML
BAT54
ETQ-P6F6R4HFA
FDS6986S (note 1)
FAN5026
Note:
1. If currents above 4A continuous required, use single SO-8 packages for Q1A/Q2A (FDS6612A) and Q1B/Q2B (FDS6690S)
respectively. Using FDS6690S, change R6/R7 as required. Refer to Power MOSFET Selection, page 14 for more information.
8
FAN5026 Rev. 1.0.5
www.fairchildsemi.com
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