A5974DTR STMicroelectronics, A5974DTR Datasheet - Page 49

• 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

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Part number
Part number
number
Part
1 A step-down switching regulator
1.5 A step-down switching regulator
2 A step-down switching regulator
3.5 A step-down switching regulator
1 A step-down switching regulator
1 A step-down switching regulator
1.5 A step-down switching regulator
1.5 A step-down switching regulator
2 A step-down switching regulator
1 A step-down switching regulator
1 A step-down switching regulator
1.5 A step-down switching regulator
1.5 A step-down switching regulator
2 A step-down switching regulator
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6-row 30 mA LED driver with boost regulator
for LCD panel backlight
6-row 85 mA LED driver with boost regulator
for LCD panel backlight
16-channel 85 mA LED driver with boost
controller, 12/16-bit gray-scale and 4-wire
serial interface
High-efficiency synchronous
step-up converter
High-efficiency synchronous
step-up converter
Micropower syncronous
step-up converter
High-power white LED driver
with I
Step-up controller for LED supply
4-bit constant-current power LED driver
8-bit constant-current LED driver with output error detection
8-bit constant-current LED driver
16-bit constant-current LED driver
16-bit constant-current LED driver with output error detection
16-bit constant-current LED driver with auto-power saving
16-bit constant-current LED driver with auto-power saving and output error detection
16-bit constant-current LED driver with balanced on/off
16-bit low-current, high-precision LED driver
16-bit low-current, high-precision LED driver with output error detection
16-bit low-current, high-precision LED driver with auto-power saving
16-bit low-current, high-precision LED driver with
auto-power saving and output error detection
24-bit constant-current LED driver with output error detection
8-bit LED driver with overvoltage protection
8-bit LED driver
2
C interface
Description
Description
Description
0.8 (Ipk)
up to 32
up to 30
up to 85
up to 85
1 (Ipk)
(mA)
N.A.
400
I
OUT
1
Rows
16
6
6
6
1
1
1
1
1
3.5
1.5
1.5
1.5
1.5
I
(A)
1.5
OUT
1
2
1
1
2
1
1
2
2.5 to 5.5 Vbat to 10.2
0.6 to 5.5
0.6 to 5.5
0.8 to 3.6
4.7 to 28
4.5 to 36
4.5 to 36
4.5 to 36
4 to 6
V
(V)
8 to 55
8 to 55
8 to 55
8 to 55
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
4 to 36
IN
V
(V)
IN
1.8 to 5.2
Up to100
up to 36
up to 36
up to 36
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
2 to 5.2
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
up to Vin
6 to 12
V
(V)
20
V
(V)
OUT
OUT
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
Serial in/parallel out
(white)
LEDs
(white)
15
15
15
15
LEDs
9
9
9
9
9
9
9
9
9
9
320
60
60
60
1
1
3
2
5
I/O
F
Up to 300
Up to 300
Up to 300
Up to 300
200 to 1000
200 to 1000
250 to 1000 VFQFPN 7x7-48
570 to 750
Up to 1000
Up to 1000
SW
F
SW
250
500
250
500
250
250
500
250
500
250
1200
1800
(kHz)
N.A.
(kHz)
3.3 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
3.0 to 5.5
4.5 to 5.5
4.5 to 5.5
V
DD
VFQFPN4x4-24L
TFBGA3x3-25L
(V)
QFN4x4-24L
QFN4x4-24L
DFN10L3x3
DFN4x4-8L
DIP8/SO16W
DIP8/SO16W
DIP8/SO16W
DIP18/SO20
Package
TSSOP8
MSOP8
Package
HSOP8
HSOP8
HSOP8
HSOP8
SO8
SO8
SO8
SO8
SO8
SO8
Bit-to-bit accuracy
(+/- %)
N/A
N/A
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1
1
1
1
1
3
PWM dim, adj SS, INH, sync,
PWM dim, adj SS, INH, sync,
PWM dim, adj SS, INH, sync,
LBI and LBO, Vref, shutdown
LBI and LBO, Vref, shutdown
PWM group dim, local dim,
adj OVP, fault management
adj OVP, fault management
adj OVP, fault management
Burst mode and continuos
Flash mode, torch mode,
sync, adj OVP and OCP,
dim, falt management
fault management
Extra functions
Automotive grade
Automotive grade
Automotive grade
Automotive grade
Automotive grade
Extra functions
Vref, INH, sync
Vref, INH, sync
Vref, INH, sync
Vref, INH, sync
Vref, INH, sync
mode, INH
En/PWM
100 continuous
100 continuous
Vref
INH
INH
-
80 to 400
I
5 to 100
5 to 100
5 to 100
5 to 100
5 to 100
5 to 100
5 to 100
OUT
3 to 40
3 to 40
3 to 40
3 to 40
3 to 60
5 to 80
(mA)
49