FAN2108EMPX Fairchild Semiconductor, FAN2108EMPX Datasheet - Page 9

• Manufacturer Part Number: FAN2108EMPX
• Description: IC REG SYNC BUCK 3-24V 8A 25MLP
• Manufacturer: Fairchild Semiconductor
• Series: TinyBuck™r
• Type: Step-Down (Buck)r

Specifications of FAN2108EMPX

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 19 V
• Current - Output: 8A
• 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: 8 A
• Output Power: 2.8 W
• Output Voltage: 3.2 V
• Supply Current: 8 mA
• Switching Frequency: 600 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN2108EMPXTR

© 2008 Fairchild Semiconductor Corporation
FAN2108 • Rev. 1.0.1
Typical Performance Characteristics
Typical operating characteristics using the circuit shown in Figure 10. V
Figure 19. Transient Response, 2-8A Load
PGOOD
Figure 17. Shutdown, 1A Load
Figure 15. Startup, 3A Load
EN
I
OUT
V
EN
OUT
V
OUT
V
PGOOD
OUT
(Continued)
9
Figure 20. MOSFET Temperature – Still Air at Room
Figure 16. Startup with 1V Pre-Bias on V
90
80
70
60
50
40
30
20
IN
0
=12V, V
Figure 18.
HS and LS MOSFET Temperature
LSFET@ 20Vin
LSFET@ 12Vin
HSFET@ 20Vin
HSFET@ 12Vin
2
CC
Temperature
EN
=5V, unless otherwise specified.
Load Current (A)
Restart on Fault
SW
4
SW
EN
6
V
OUT
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8
out