Datasheet

TS2596
Taiwan Semiconductor
2 Version: G1608
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL LIMIT UNIT
Maximum Supply Voltage
V
CC
+45
V
Recommend Operating Supply Voltage
V
OP
+4.5 to +40 V
SW, EN Pin Input Voltage
V
SW
, V
EN
-0.3 to +40 V
Feedback Pin Voltage
V
FB
-0.3 to +12 V
Power Dissipation
P
D
Internally Limited W
Output Voltage to Ground
V
OUT
-1
V
Storage Temperature Range
T
ST
-65 ~ +150
°C
Operating Temperature Range
T
OP
-40 ~ +125
°C
ESD Susceptibility (HBM)
2
kV
THERMAL INFORMATION
PARAMETER SYMBOL LIMIT UNIT
Junction to Case Thermal Resistance
R
ӨJC
2 °C/W
Junction to Ambient Thermal Resistance
R
ӨJA
50 °C/W
Note: R
ӨJA
is measured with the PCB copper area (need connect to GROUND pins) of approximately 1.5 in
2
(Multi-layer)
ELECTRICAL
CHARACTERISTICS
(V
IN
= 12V for 3.3V, 5V, Adjustable Version, I
LOAD
= 0.3A, T
A
= 25°C unless otherwise noted)
PARAMETER CONDITION SYMBOL MIN TYP MAX
UNIT
Output Feedback
ADJ
4.5V ≤ V
IN
≤ 40V
0.2A ≤ I
LOAD
≤ 3A
V
FB
1.180 1.23 1.280 V
Efficiency
V
IN
= 12V, I
LOAD
= 3A,
V
OUT
= 5V
η
-- 77 -- %
Output Feedback
3.3V
4.75V ≤ V
IN
≤ 40V
0.2A ≤ I
LOAD
≤ 3A
V
FB
3.135 3.3V 3.465 V
Efficiency V
IN
= 12V, I
LOAD
= 3A η
-- 75 -- %
Output Feedback
5V
7V ≤ V
IN
≤ 40V
0.2A ≤ I
LOAD
≤ 3A
V
FB
4.75 5 5.25 V
Efficiency V
IN
= 12V, I
LOAD
= 3A η
-- 80 -- %
Feedback Bias Current
V
FB
=1.3V (Adj version only)
I
FB
-- 10 100 nA
Oscillator Frequency
F
OSC
127 150 173 kHz
Soft-Start Time
Rising edge of EN on to I
CL
T
SS
-- 3 -- ms
Current Limit
Pear Current, no outside circuit
V
FB
=0V force driver on
I
CL
3.3 -- -- A
Oscillator Frequency of
Short Circuit Protect
When current limit occurred
and V
FB
<0.5V, Ta = 25
o
C
F
SCP
110 150 173 KHz
Saturation Voltage
I
OUT
=3A, No outside circuit
V
FB
=0V force driver on
V
SAT
-- 1.15 1.50 V
ON/OFF Pin Logic Input
Threshold Voltage
Low (regulator ON) V
IL
-- 1.3 0.6 V
High (regulator OFF) V
IH
2.0 1.3 -- V