FAN2103EMPX Fairchild Semiconductor, FAN2103EMPX Datasheet - Page 8

• Manufacturer Part Number: FAN2103EMPX
• Description: IC BUCK SYNC ADJ 3A 25MLP
• Manufacturer: Fairchild Semiconductor
• Series: TinyBuck™r
• Type: Step-Down (Buck)r

Specifications of FAN2103EMPX

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3 ~ 21 V
• Current - Output: 3A
• Frequency - Switching: 200kHz ~ 600kHz
• Voltage - Input: 3 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 25-MLP
• Power - Output: 2.8W
• Mounting Style: SMD/SMT
• Efficiency: 95 %
• Input / Supply Voltage (max): 24 V
• Input / Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Current: 3 A
• Output Power: 2.8 W
• Output Voltage: 3.2 V
• Supply Current: 8 mA
• Switching Frequency: 600 KHz
• For Use With: FEB207 - BOARD EVAL FOR FAN2103
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN2103EMPXTR

© 2007 Fairchild Semiconductor Corporation
FAN2103 • Rev. 1.0.6
Application Circuit
Typical Performance Characteristics
Typical operating characteristics using the circuit shown in Figure 10. V
Figure 11.
1.828
1.826
1.824
1.822
1.820
1.818
100
95
90
85
80
75
70
65
60
55
0.00
Figure 13. 1.8 V
0.00
+5V
V
OUT
Vo8V (V)
Vo12V (V)
Vo18V (V)
62
0.50
0.50
2.00K
4.7n
1.8 V
Regulation Characteristic
OUT
1.00
1.00
2.49K
1.0µ
X5R
Efficiency
Load Current (A)
OUT
Efficiency Over V
Load Current (A)
Regulation vs. Load
4.7n
200K
1.50
1.50
4.7n
2.49K
Figure 10. Application Circuit: 1.8 V
30.1K
10K
56p
2.00
2.00
PGOOD
COMP
IN
AGND
Effi12V (%)
Effi8V (%)
Effi18V (%)
2.50
2.50
VCC
ILIM
R(T)
vs. Load
NC
EN
FB
15
13
24
20
19
17
14
18
16
3.00
3.00
8
Figure 12. 1.8 V
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
100
95
90
85
80
75
70
65
0.00
P2
25
P3
P1
1
0.00
Figure 14. 3.3 V
VIN
BOOT
SW
PGND
RAMP
IN
Loss12V (W)
Loss8V (W)
Loss18V (W)
0.50
=16V, V
0.50
OUT
(Circuit Values Changed)
200K
0.1µ
, 500KHz
OUT
1.00
1.00
1.5W
CC
390p
Load Curr e nt (A)
* TDK
RLF7030T-3R3M4R1
=5V, unless otherwise specified.
Dissipation Over V
Power Loss
Load Current (A)
Efficiency
OUT
3.3 µ *
3.3n
1.50
Efficiency vs. Load
1.50
V
OUT
2.00
2 x 4.7
X7R
4 x 22
X5R
2.00
8-20 V
V
V
IN
IN
µ
µ
=8V, 300KHz
=12V, 500Khz
2.50
IN
IN
2.50
vs. Load
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3.00
3.00