A8498SLJ-T Allegro Microsystems Inc, A8498SLJ-T Datasheet - Page 3

• Manufacturer Part Number: A8498SLJ-T
• Description: IC, STEP-DOWN VOLTAGE REGULATOR, SOIC-8
• Manufacturer: Allegro Microsystems Inc
• Type: Step-Down (Buck)r

Specifications of A8498SLJ-T

• Primary Input Voltage: 50V
• No. Of Outputs: 1
• Output Voltage: 24V
• Output Current: 3A
• No. Of Pins: 8
• Operating Temperature Range: -20°C To +85°C
• Leaded Process Compatible: Yes
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 24 V
• Current - Output: 3A
• Voltage - Input: 8 ~ 50 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Voltage Regulator Case Style: SOIC
• Svhc: No SVHC
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

A8498
μC
BOOT
TSET
GND
ENB
VBB UVLO
TSD
V
IN
Wide Input Voltage 3.0 A Step Down Regulator
Switch
Disable
Functional Block Diagram
I_Peak
Ramp Generation
Boot Charge
+
Switch PWM Control
Soft Start
COMP
–
I_Demand
–
Clamp
Error
–
0.8 V
Bias Supply
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
VIN
VBIAS
LX
FB
VBIAS is connected to VOUT
when V
3.3 and 5 V
D1
L1
OUT
target is between
ESR
COUT
VOUT
3