A5974DTR STMicroelectronics, A5974DTR Datasheet - Page 23

• Manufacturer Part Number: A5974DTR
• Description: IC BUCK ADJ 2.5A 8SOIC
• Manufacturer: STMicroelectronics
• Series: -r
• Type: Step-Down (Buck)r

Specifications of A5974DTR

• Internal Switch(s): -
• Synchronous Rectifier: -
• Number Of Outputs: -
• Voltage - Output: 1.235 V ~ 35 V
• Current - Output: 2.5A
• Frequency - Switching: 250kHz
• Voltage - Input: 4 V ~ 36 V
• Operating Temperature: -
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11424-2

Buck converters
L6902
The L6902 is a complete and simple step-down switching regulator with adjustable
current limit.
Based on a voltage-mode structure, it integrates a current error amplifier for
constant-voltage and constant-current control.
Key features
Q
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Application example
STEVAL-ILL010V1
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1 A in small SO8 package with minimum external component count
P-channel power MOSFET: no bootstrap capacitor
Wide input voltage range: 8 to 36 V
Adjustable LED current (V
High switching frequency: 250 kHz
External V
Sales code
REF
V IN = 8 V to 36 V
available
Board
CS+
GND
VCC
- V
CS-
8
7
= 100 mV)
COMP
High-intensity LED dimming driver based on L6902
4
L6902
FB
5
Dimming input
1
2
3
Description
OUT
CS+
CS-
Key benefits
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Monolithic and flexible solution
High efficiency
Low power dissipation
OVP available
Dimming capability
AN2129: Dimming of super
high-brightness LEDs with L6902D
AN1941: Low Voltage LED Driver Using
L6920D, L4971 and L6902D
AN1891: Application ideas: driving LEDs
using L497x, L597x, L692x DC-DC
converters families
V SENSE
Technical documents
SO-8
23