A5974DTR STMicroelectronics, A5974DTR Datasheet - Page 51

• 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

High-voltage converters (cont’d)
Power factor correctors
Resonant and quasi resonant controllers
Note: 1. PFC
VIPER17LD
VIPER17HD
VIPER27LN
VIPER27HN
VIPER15L
VIPER15H
VIPER25L
VIPER25H
VIPER26L
VIPER26H
VIPER16LN
VIPER16HN
VIPER16LD
VIPER16HD
L6562
L6562A
L6562AT
L6599A
L6599AT
L6565
L6585DE
number
Part number
Part number
Part
2. HB
DIP-16, SO-16N
DIP-16, SO-16N
DIP-8, SO-8
Package
SO-20
DIP-8, SO-8 Improved TM power factor corrector
DIP-8, SO-8 Enhanced TM power factor corrector
DIP-8, SO-8
Package
SO16N,
SO16N,
SO16N,
SO16N,
SO16N,
SO16N,
Package
SO16N
SO16N
SO16N
SO16N
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
DIP-7
(wide range input) (W)
Power capability max
High-voltage improved
resonant controller
High-voltage improved
resonant controller
Quasi-resonant SMPS
controller
Combo IC for PFC and
half-bridge ballast control
Enhanced TM power factor corrector with
extended temperature range
Description
13
13
13
13
13
13
7
7
7
7
7
7
7
7
Description
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
(avalanche rugged)
voltage min (V)
Drain source
Buck, boost, buck-boost,
Resonant half-bridge
Resonant half-bridge
800
800
800
800
800
800
800
800
800
800
800
800
800
800
Topology
flyback
(internal self supply)
(internal self supply)
(internal self supply)
(internal self supply)
Boost, buck, flyback
Boost, buck, flyback
Boost, buck, flyback
Topology
min (V)
11.5
11.5
10.5
10.5
10.5
10.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
compliant
RoHS
Yes
Yes
Yes
V
DD
compliant
8.85 to 16
8.85 to 16
10.3 to 18
11 to 16
V
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
(internal clamp)
RoHS
CC
Yes
Yes
Yes
(V)
max (V)
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
10.5 to 22.5
10.5 to 22.5
capability (mA)
10.3 to 22
V
Gate drive
CC
300/600
290/480
(V)
3.5
3.5
3.5
R
(Ω)
DS(on)
20
20
20
20
20
20
20
20
8
8
7
7
7
7
1
2
current (mA)
Supply
F
3.5
3.5
3.5
current (mA)
(kHz)
SW
115
115
136
225
136
225
115
115
115
Qulescent
60
60
60
60
60
0.6 / 0.8
0.6 / 0.8
0.6 / 0.8
typ
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
PWM current limiting mode, burst mode
Gate drive capability
ZCD, PWM current limiting mode,
ZCD, PWM current limiting mode,
ZCD, PWM current limiting mode,
ZCD, PWM current limiting mode,
(source/sink) (A)
current (mA)
0.6 / 0.8
0.6 / 0.8
0.6 / 0.8
Supply
Extra functions
7
burst mode
burst mode
burst mode
burst mode
frequency (kHz)
Oscillator
output (ns)
Delay to
200
175
175
200
175
175
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