FAN5331SX Fairchild Semiconductor, FAN5331SX Datasheet - Page 2

• 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
Pin Assignment
Pin Description
Absolute Maximum Ratings (
Recommended Operating Conditions
Notes:
1. Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This
2. Using EIA/JESD22A114B (Human Body Model) and EIA/JESD22C101-A (Charge Device Model).
3. This load capacitance value is required for the loop stability. Tolerance, temperature variation, and voltage
V
FB, SHDN to GND
SW to GND
Lead Soldering Temperature (10 seconds)
Junction Temperature
Storage Temperature
Thermal Resistance (
Electrostatic Discharge Protection (ESD) Level (Note 2)
Input Voltage
Output Voltage
Operating Ambient Temperature
Output Capacitance (Note 3)
IN
Pin No.
is a stress rating only and functional operation of the device at these or any other conditions above those indicated
in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability. Absolute maximum ratings apply individually only, not in combination.
dependency of the capacitance must be considered. Typically a 4.7µF ceramic capacitor is required to achieve
specified value at V
to GND
1
2
3
4
5
Pin Name
SHDN
JA
GND
SW
V
FB
)
OUT
IN
= 15V.
Parameter
Switching node.
Analog and power ground.
Feedback node that connects to an external voltage divider.
Shutdown control pin. Logic HIGH enables, logic LOW disables the device.
Input voltage.
Parameter
Note1)
Figure 2. Pin Assignment
GND
SW
FB
5-Lead SOT-23
Top View
2
SHDN
V
IN
Pin Description
HBM
CDM
Min
2.7
V
-40
1.6
IN
Typ
Min
-0.3
-0.3
-55
2.5
25
1
V
IN
Max
Max
300
150
150
265
5.5
6.0
20
85
23
+ 0.3
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Unit
Unit
°C/W
°C
µF
°C
°C
°C
kV
V
V
V
V
V