FAN5236MTC Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN5236MTC Datasheet PDF : 20 Pages
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FAN5236
PRODUCT SPECIFICATION
Typical Applications
VIN (BATTERY)
= 5 to 24V
VCC
+5
28
C4
R3
ILIM1
11
EN1 8
C2 SS1 12
+5
R4
PG1 15
+5 DDR 13
EN2 21
SS2
C3
17
1.25V@10mA
PG2/REF 16
AGND
1
FPWM2
20
VIN
14
PWM 1
BOOT1
6
Q1A
5 HDRV1
4 SW1
Q1B
2 LDRV1
3 PGND2
7 ISNS1
FPWM1 (VOUT1)
9
10 VSEN1
PWM 2
23 BOOT2
Q2A
24 HDRV2
25 SW2
Q2B
27 LDRV2
26 PGND2
22 ISNS2
VSEN2
19
18 ILIM2/REF2
C1
C9
D1
+5
C5
L1
R7
VDDQ
= 2.5V
C6A C6B
R5
R1
D2
C7
L2
+5
VTT =
VDDQ/2
C8A
R6
R2
R8
C8B
Figure 4. DDR Regulator Application
Table 1. DDR Regulator BOM
Description
Qty Ref.
Capacitor 68µf, Tantalum, 25V, ESR 150mΩ
1 C1
Capacitor 10nf, Ceramic
2 C2, C3
Capacitor 68µf, Tantalum, 6V, ESR 1.8Ω
1 C4
Capacitor 150nF, Ceramic
2 C5, C7
Capacitor 180µf, Specialty Polymer 4V, ESR 15mΩ 2 C6A, C6B
Capacitor 1000µf, Specialty Polymer 4V, ESR 10mΩ 1 C8
Capacitor 0.1µF, Ceramic
2 C9
18.2KΩ, 1% Resistor
3 R1, R2
1.82KΩ, 1% Resistor
1 R6
56.2KΩ, 1% Resistor
2 R3
10KΩ, 5% Resistor
2 R4
3.24KΩ, 1% Resistor
1 R5
1.5KΩ, 1% Resistor
2 R7, R8
Schottky Diode 30V
2 D1, D2
Inductor 6.4µH, 6A, 8.64mΩ
1 L1,
Inductor 0.8µH, 6A, 2.24mΩ
1 L2
Dual MOSFET with Schottky
1 Q1, Q2
DDR Controller
1 U1
Vendor
AVX
Any
AVX
Any
Panasonic
Kemet
Any
Any
Any
Any
Any
Any
Any
Fairchild
Panasonic
Panasonic
Fairchild
Fairchild
Part Number
TPSV686*025#0150
TAJB686*006
EEFUE0G181R
T510E108(1)004AS4115
BAT54
ETQ-P6F6R4HFA
ETQ-P6F0R8LFA
FDS6986S (note 1)
FAN5236
Note 1: Suitable for typical notebook computer application of 4A continuous, 6A peak for VDDQ. If continuous operation above
6A is required use single SO-8 packages for Q1A (FDS6612A) and Q1B (FDS6690S) respectively. Using FDS6690S,
change R7 to 1200Ω. Refer to Power MOSFET Selection, page 15 for more information.
REV. 1.1.9 7/12/04
7
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