A6210GEUTR-T Allegro Microsystems Inc, A6210GEUTR-T Datasheet - Page 8

• Manufacturer Part Number: A6210GEUTR-T
• Description: IC LED DRIVER HIGH BRIGHT 16-QFN
• Manufacturer: Allegro Microsystems Inc
• Type: HBLED Driverr

Specifications of A6210GEUTR-T

• Topology: PWM, Step-Down (Buck), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 100kHz ~ 2 MHz
• Voltage - Supply: 9 V ~ 46 V
• Voltage - Output: 46V
• Mounting Type: Surface Mount
• Package / Case: 16-WSQFN Exposed Pad
• Operating Temperature: -40°C ~ 105°C
• Current - Output / Channel: 3A
• Internal Switch(s): Yes
• Efficiency: 90%
• Led Driver Application: Power Supplies And Lamps
• No. Of Outputs: 1
• Output Current: 3A
• Output Voltage: 46V
• Input Voltage: 9V To 46V
• Dimming Control Type: PWM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1281-2

A6210
Ch1
Ch2
I
LED
V
LX
t
(A)
Figure 4. PWM on DIS pin at 400 Hz: (A) narrow duty cycle, (B) wide duty cycle.
Figure 3. Switching voltage versus current through L1 and LED string
Ch1
Ch2
I
V
LED
LX
Average
LED Current
Symbol
Symbol
3 A, 2 MHz Buck-Regulating LED Driver
494 mA
Ch1
Ch2
Ch1
Ch2
t
t
Parameter Units/Division
Parameter Units/Division
t
time
time
I
I
V
V
LED
LED
LX
LX
Ch1
Ch2
100 mA
100 mA
200 ns
1 ms
5 V
5 V
V
I
LED
LX
t
Average LED Current
LED ripple current
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
(B)
484 mA
Average
LED Current
494 mA
8