A8530EESTR-T Allegro Microsystems Inc, A8530EESTR-T Datasheet - Page 7

• Manufacturer Part Number: A8530EESTR-T
• Description: IC LED DRVR WHITE BCKLGHT 16-QFN
• Manufacturer: Allegro Microsystems Inc
• Type: Backlight, White LED (Serial Interface)r

Specifications of A8530EESTR-T

• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-WFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA, 100mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: 620-1201-2

A8530
V
V
V
IN
IN
IN
= 3.2 V, I
= 2.7 V, I
Symbol
Symbol
Symbol
= 3.6 V, I
C3
C4
C3
C4
C3
C4
LED5-6 ON, 1.5× mode
LED1-4 ON, 1.5× mode
t
t
t
LED5-6 ON, 2× mode
OUT
V
OUT
V
V
Parameter Units/Division
Parameter Units/Division
Parameter Units/Division
OUT
OUT
I
OUT
I
OUT
I
IN
IN
IN
time
time
time
Ripple
Ripple
Ripple
= 200 mA, V
= 200 mA, V
Ripple
Ripple
Ripple
= 80 mA, V
Tests performed using application circuit shown in figure 1
500 ns
500 ns
500 ns
20 mV
50 mA
20 mV
50 mA
20 mV
50 mA
T
Performance Characteristics
A
F
F
F
= 25°C, V
= 3.4 V
= 3.1 V
= 3.1 V
IN
= 3.6 V (unless otherwise noted)
C4
C4
C4
C3
C3
C3
and Flash/Torch White LED Driver
Ultracompact 6-Channel Backlight
t
t
t
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
V
OUT
V
I
V
V
IN
OUT
OUT
OUT
I
I
IN
IN
6