FAN5308MPX Fairchild Semiconductor, FAN5308MPX Datasheet - Page 5

• Manufacturer Part Number: FAN5308MPX
• Description: IC CONV DC-DC 800MA HI 3X3 6MLP
• Manufacturer: Fairchild Semiconductor
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of FAN5308MPX

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Current - Output: 800mA
• Frequency - Switching: 1.3kHz
• Voltage - Input: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: 6-MLP
• Voltage - Supply: 2.5 V ~ 5.5 V
• Frequency-max: 1.3MHz
• Duty Cycle: 100%
• Pwm Type: Current Mode
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Output Voltage: 0.8 V
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Current: 800mA
• No. Of Pins: 6
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2005 Fairchild Semiconductor Corporation
FAN5308 Rev. 1.0.2
Typical Performance Characteristics
T
A
= 25°C, C
100
Figure 7. Quiescent Current vs. Input Voltage
100
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
95
90
85
80
75
70
65
60
0
2.5
0.1
1
R
Figure 3. Efficiency vs. Load Current
Figure 5. Efficiency vs. Load Current
2
V
R
V
= 10kΩ
OUT
V
2
OUT
V
V
IN
= 100kΩ
OUT
IN
IN
= 3.6V
= 1.2V
3.0
= 1. 2V
= 3. 6V
= 3V
= 10µF, C
1
V
3.5
IN
10
Load Current (mA)
Load Current (mA)
= 2.5V
Input Voltage (V)
OUT
V
V
IN
OUT
= 5V
4.0
10
= 3.3V
= 20µF, L = 3.3µH, R
V
100
IN
4.5
= 5.5V
R
V
100
V
IN
OUT
2
= 100kΩ
= 3.6V
= 1.2V
5.0
1000
1000
2
5.5
= 10kΩ, unless otherwise noted.
5
1.214
1.212
1.210
1.208
1.206
1.204
1.202
1.200
1.198
1.196
1.194
1.192
100
1400
1380
1360
1340
1320
1300
1280
1260
1240
1220
1200
95
90
85
80
75
70
65
60
55
50
45
40
35
0.1
Figure 6. Output Voltage vs. Load Current
-40
0
V
Figure 4. Efficiency vs. Load Current
Figure 8. Frequency vs. Temperature
IN
= 5.5V
V
-20
IN
200
= 5V
1
V
0
IN
V
Load Current (mA)
IN
Load Current (mA)
Temperature (°C)
= 3.6V
= 3.9V
400
20
V
IN
10
= 5.5V
V
40
IN
600
= 2.5V
V
R
60
OUT
100
2
= 100kΩ
= 3.3V
800
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80
1000
1000
100