FAN5236 Fairchild Semiconductor, FAN5236 Datasheet - Page 8

• Manufacturer Part Number: FAN5236
• Manufacturer: Fairchild Semiconductor

© 2002 Fairchild Semiconductor Corporation
FAN5236 • Rev. 1.3.2
Typical Application
Table 1. DDR Regulator BOM
Capacitor 68µf, Tantalum, 25V, ESR 150mΩ
Capacitor 10nf, Ceramic
Capacitor 68µf, Tantalum, 6V, ESR 1.8Ω
Capacitor 150nF, Ceramic
Capacitor 180µf, Specialty Polymer 4V, ESR 15mΩ
Capacitor 1000µf, Specialty Polymer 4V, ESR 10mΩ
Capacitor 0.1µF, Ceramic
18.2KΩ, 1% Resistor
1.82KΩ, 1% Resistor
56.2KΩ, 1% Resistor
10KΩ, 5% Resistor
3.24KΩ, 1% Resistor
1.5KΩ, 1% Resistor
Schottky Diode 30V
Inductor 6.4µH, 6A, 8.64mΩ
Inductor 0.8µH, 6A, 2.24mΩ
Dual MOSFET with Schottky
DDR Controller
Note:
1.
Suitable for typical notebook computer application of 4A continuous, 6A peak for V
above 6A is required, use single SO-8 packages. For more information, refer to the Power MOSFET Selection
Section and use AN-6002 for design calculations.
+5
V
IN
+5
Description
= 5 to 24V
1.25V at 10mA
(BATTERY)
R3
R4
+5
C4
PG2/REF
C2
C3
FPWM2
AGND
ILIM1
DDR
VCC
EN1
PG1
EN2
SS1
SS2
28
11
12
15
13
21
17
16
20
8
1
Figure 5. DDR Regulator Application
PW M 1
PW M 2
14
VIN
10
23
24
25
27
26
22
19
18
6
5
4
2
3
7
9
HDRV1
BOOT1
SW1
LDRV1
PGND2
ISNS1
FPWM1 (VOUT1)
VSEN1
BOOT2
HDRV2
SW2
LDRV2
PGND2
ISNS2
VSEN2
ILIM2/REF2
Qty.
Q1A
Q1B
Q2A
Q2B
1
2
1
2
2
1
2
3
1
2
2
1
2
2
1
1
1
1
8
C1
C2, C3
C4
C5, C7
C6A, C6B
C8
C9
R1, R2
R6
R3
R4
R5
R7, R8
D1, D2
L1
L2
Q1, Q2
U1
Ref.
C1
C7
R8
L2
C5
D2
R7
D1
AVX
Any
AVX
Any
Panasonic
Kemet
Any
Any
Any
Any
Any
Any
Any
Fairchild
Semiconductor
Panasonic
Panasonic
Fairchild
Semiconductor
Fairchild
Semiconductor
L1
V
+5
C8A
V
+5
DDQ/2
TT
Vendor
C9
=
C8B
R5
R6
DDQ
= 2.5V
V
DDQ
C6A
R1
R2
. If continuous operation
TPSV686*025#0150
TAJB686*006
EEFUE0G181R
T510E108(1)004AS4115
BAT54
ETQ-P6F6R4HFA
ETQ-P6F0R8LFA
FDS6986AS
FAN5236
C6B
Part Number
(1)
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