FAN5343UMPX Fairchild Semiconductor, FAN5343UMPX Datasheet - Page 5

• Manufacturer Part Number: FAN5343UMPX
• Description: IC LED DVR 6LED 500MW 6ULMP
• Manufacturer: Fairchild Semiconductor
• Type: Constant Currentr

Specifications of FAN5343UMPX

• Constant Current: Yes
• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 1MHz ~ 1.4MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 6.2 V ~ 24 V
• Mounting Type: Surface Mount
• Package / Case: 6-UMLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details
• Other names: FAN5343UMPXTR

Electrical Specifications
V
Power Supplies
EN: Enable Pin
Feedback and Reference
Power Outputs
Oscillator
Output and Protection
Notes:
2.
3.
4.
© 2009 Fairchild Semiconductor Corporation
FAN5343 • Rev. 1.0.4
R
Symbol
V
IN
I
DS(ON)_Q1
SW(OFF)
I
V
V
V
D
UVHYST
V
LIM-PK
D
T
T
R
T
V
V
f
= 2.7V to 5.5V and T
V
I
UVLO
t
I
THSC
TLSC
t
SW
OVP
MAX
TSD
HYS
SD
LO
FB
MIN
SW leakage current includes the leakage current of two internal switches; SW to GND and SW to VOUT.
Not tested in production, but guaranteed by design
Application should guarantee that minimum and maximum duty cycle fall between 20-85% to meet the specified range.
HI
SD
EN
FB
IH
IL
Shutdown Supply Current
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
HIGH-Level Input Voltage
LOW-Level Input Voltage
EN Pull-Down Resistance
EN Low Time for Dimming
Time Delay Between Steps
EN Low, Shutdown Pulse Width
Feedback Voltage
Feedback Input Current
Boost Switch On-Resistance
SW Node Leakage
Boost Switch Peak Current Limit
Boost Regulator Switching Frequency
Boost Output Over-Voltage Protection
OVP Hysteresis
V
V
Maximum Boost Duty Cycle
Minimum Boost Duty Cycle
Thermal Shutdown
Thermal Shutdown Hysteresis
OUT
OUT
Short Circuit Detection Threshold V
Short Circuit Detection Threshold V
A
Parameter
= -40°C to +85°C unless otherwise noted. Typical values are at T
(2)
(3,4)
(3,4)
EN = GND, V
V
V
V
V
V
I
2.7V ≤ V
V
V
V
EN = 0, V
V
V
LED
IN
IN
IN
IN
IN
FB
IN
IN
LED
IN
OUT
OUT
Rising
Falling
= 3.6V; See Figure 14
= 3.6V; See Figure 14
= 3.6V; from Falling Edge of EN
= 3.6V, I
= 2.7V, I
= 3.6V
= 20mA from -40°C to +85°C,
= 250mV
= 0
Falling
Rising
IN
IN
5
≤ 5.5V
Conditions
= V
SW
SW
IN
= 100mA
= 100mA
SW
= 3.6V
= V
OUT
= 5.5V,
Min.
A
2.10
1.90
22.5
200
237
1.2
0.5
0.5
1.0
85
= 25°C and V
1
V
V
IN
IN
Typ.
0.30
2.35
2.15
24.5
250
300
250
600
650
750
150
0.1
0.1
1.2
1.0
35
– 1.4
– 1.2
IN
= 3.6V.
www.fairchildsemi.com
Max.
300.0
0.75
2.60
2.40
400
263
0.4
1.0
2.0
1.4
20
Units
MHz
mV
mV
mΩ
mA
μA
kΩ
ms
μA
μA
°C
°C
µs
µs
%
%
V
V
V
V
V
V
V