A6210GEUTR-T Allegro Microsystems Inc, A6210GEUTR-T Datasheet - Page 10

• 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
Plot 1. Average current = 2.4 A
Plot 5. Plot 4 with expanded time scale
Plot 3. PWM frequency = 10 kHz, maximum duty cycle
310 kΩ
V
24 V
R1
IN
PWM or Switch
1.0 μF
C1
VIN
TON
DIS
Channel 1 – Current through inductor and LED Assembly, Channel 2 – Main switching voltage (LX node)
NC
A 6210
GND
BOOT
SGND
ISEN
LX
R2
150 mΩ
Average LED current = 2.4 A
Peak to peak current = 260 mA
LED Assembly voltage = 15 V
Switching frequency = 1.0 MHz
Efficiency = 94%
D1
22 nF
C2
LED
Assembly
22 μH
L
1
R4
180 mΩ
Application Circuit 2
3 A, 2 MHz Buck-Regulating LED Driver
Plot 2. Peak to peak current = 260 mA
Plot 4. PWM frequency = 10 kHz, minimum duty cycle
Plot 6. PWM frequency = 10 kHz, turn off
Suggested Parts
Name
C1
C2
D1
L1
R1
R2
R4
Description
1 μF, 25V, X5R or X7R ceramic, 1210
22 nF, 50V, X5R or X7R ceramic, 0805
3 A, 60 V, Schottky diode
22 μH, 2.8 A inductor
310 kΩ, 1%, 0603
150 mΩ, 1%, 0805
180 mΩ, 1%, 0805
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Manufacturer - Part Number
Taiyo Yuden, TDK
Coilcraft - MSS1048-223ML
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