TD1583 Techcode, TD1583 Datasheet - Page 4

• Manufacturer Part Number: TD1583
• Description: 3A 380Khz 28V PWM Buck DC/DC Converter
• Manufacturer: Techcode

www.DataSheet4U.com
maximum rating conditions for extended periods may affect reliability.
Recommended Operating Conditions
Electrical Characteristics
V
September, 2006
3A 380KHZ 28V PWM Buck DC/DC Converter
Input voltage
Shutdown Supply Current
Supply Current
Feedback Voltage
Feedback Bias Current
Switch Current Limit
Oscillator Frequency
Frequency
Limit or Short Circuit
Protection
EN Pin Threshold
EN Pin Input Leakage
Current
Internal PMOS R
Max. Duty Cycle
Efficiency
Thermal Shutdown
CC
Operating Ambient Temperature
Operating Junction Temperature
= 12V, T
Parameters
Input Voltage
Parameter
a
of
= 25
DSON
℃
Current
unless otherwise specified.
Symbol
R
T
D
F
I
F
V
V
I
V
STBY
I
I
OSC1
DSON
OTSD
η
LIM
I
MAX
OSC
I
CC
FB
EN
H
FB
L
IN
Symbol
V
V
V
V
V
V
T
V
T
EN
IN
IN
Test Condition
A
IN
EN
FB
J
IN
=12V ,Vout=5V
=2V, V
=12V, Iout=3A
=0V, I
=12V, V
V
V
= 3.6V to 23V
V
4
V
Iout=3A
V
EN
EN
FB
EN
FB
=1.3V
=2.5V
=0.5V
=0V
=0V
SW
FB
FB
=0.1A
=1.3V
=0V
Min.
-40
-40
3.6
1.185 1.222
Min.
320
3.6
0.7
-
Techcode Semiconductor Limited
Max.
125
Typ.
-0.1
28
85
380
100
165
3.6
0.1
1.2
30
42
80
92
-3
4
TD1583
Max.
Datasheet
1.26
440
-10
0.5
1.7
28
90
-1
4
5
-
Unit
ºC
ºC
V
Unit
KHz
KHz
mA
mΩ
uA
uA
uA
uA
ºC
%
%
V
V
A
V