FAN5331SX Fairchild Semiconductor, FAN5331SX Datasheet - Page 4

• Manufacturer Part Number: FAN5331SX
• Description: IC LED DRVR WHITE BCKLGT SOT23-5
• Manufacturer: Fairchild Semiconductor
• Type: Backlight, White LED (Serial Interface)r

Specifications of FAN5331SX

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 1.15MHz ~ 1.85MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 20V
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 50mA
• Internal Switch(s): Yes
• Efficiency: 88%
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: SOT-23
• Pin Count: 5
• Mounting: Surface Mount
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Low Level Output Current: 50 mA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 3 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Voltage: 20V
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): Yes
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Dc: N/A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN5331SXTR; FAN5331SX_NL; FAN5331SX_NLTR; FAN5331SX_NLTR

FAN5331 Rev. 1.0.1
Typical Performance Characteristics
T
A
= 25°C, Test Circuit Figure 3, unless otherwise noted.
14.98
14.96
14.94
14.92
14.90
14.88
14.86
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.92
0.90
0.88
0.86
0.84
0.82
0.80
0.78
0.76
0.74
0.72
2.5
2.5
2.5
Supply Current vs Input Voltage
Non Switching
Output Voltage vs Input Voltage
Efficiency vs Input Voltage
3.0
3.0
3.0
3.5
3.5
3.5
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
4.0
4.0
4.0
Switching
VIN(V) vs Efficiency at Iload =10mA
VIN(V) vs Efficiency at Iload =20mA
VIN(V) vs Efficiency at Iload =30mA
VIN(V) vs Efficiency at Iload =40mA
VIN(V) vs Efficiency at Iload =50mA
VIN(V) vs VOUT(V) at Iload=0mA
VIN(V) vs VOUT(V), at load=10mA
VIN(V) vs VOUT(V), at load=20mA
VIN(V) vs VOUT(V) at Iload=30mA
VIN(V) vs VOUT(V) at Iload=40mA
VIN(V) vs VOUT(V) at Iload=50mA
4.5
4.5
4.5
I
OUT
5.0
5.0
5.0
= 0mA
5.5
5.5
5.5
6.0
6.0
6.0
4
Switching Frequency vs Ambient Temperature
Feedback Voltage vs Ambient Temperature
1.8
1.6
1.4
1.2
1.0
210
180
150
120
300
250
200
150
100
1.25
1.24
1.23
1.22
1.21
90
60
30
50
0
0
Maximum Load Current vs Input Voltage
-40
2.5
2.5
-50
I
OUT
-20
3.0
3.0
= 15mA
0
Ambient Temperature ( C)
0
Ambient Temperature ( C)
Temperature ( C) vs Vf (Vin=2.7V, Iload=15m A)
Temperature ( C) vs Vf (Vin=3.6V, Iload=15m A)
Temperature ( C) vs Vf (Vin=5.5V, Iload=15m A)
Input Voltage (V)
3.5
20
3.5
40
4.0
4.0
50
60
I
V
V
OUT
4.5
OUT
IN
80
4.5
= 3.6V
= 15mA
100
= 15V
100
5.0
5.0
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120
150
5.5
140
5.5