TS2596_08 Datasheet, PDF (2/8 Pages) Taiwan Semiconductor Company, Ltd – 3A / 150KHz Buck Dc-Dc Converter

TS2596
3A / 150KHz Buck Dc-Dc Converter
Thermal Information
Parameter
Symbol
Maximum
Unit
TO-220-5L
2
Thermal Resistance* (Junction to Case)
TO-263-5L
Ó¨_JC
2
o_C/W
TO-220-5L
50
Thermal Resistance* (Junction to Ambient)
TO-263-5L
Ó¨_JA
50
o_C/W
Note: Ó¨_JA is measured with the PCB copper area (need connect to GROUND pins) of approximately 1.5 in² (Multi-layer)
Electrical Specifications (All Output Voltage Version)
(Ta = 25^oC unless otherwise noted, V_IN=12V for 3.3V, 5V, Adjustable version. I_LOAD =0.3A)
Parameter
Symbol
Test Condition
Min
Output Feedback
Efficiency
Output Feedback
Efficiency
Output Feedback
Efficiency
Feedback Bias Current
Oscillator Frequency
Soft-Start Time
Current Limit
ADJ
3.3V
5V
V_FB
η
V_FB
η
V_FB
η
I_FB
F_OSC
T_SS
I_CL
4.5V≤ V_IN ≤40V
0.2A≤ I_LOAD ≤3A
V_IN =12V, I_LOAD =3A, V_OUT =5V
4.75V≤ V_IN ≤40V
0.2A≤ I_LOAD ≤3A
V_IN =12V, I_LOAD =2A
7V≤ V_IN ≤40V
0.2A≤ I_LOAD ≤3A
V_IN =12V, I_LOAD =3A
V_FB =1.3V (Adj version only)
Rising edge of EN on to I_CL
Pear Current, no outside circuit
V_FB =0V force driver on
1.180
--
3.135
--
4.75
--
--
127
--
5.9
Oscillator Frequency of Short Circuit
When current limit occurred and
Protect
F_{SCP VFB <0.5V, Ta = 25oC}
110
Typ
1.23
77
3.3V
75
5
80
10
150
3
--
150
Max
1.280
--
3.465
--
5.25
--
100
173
--
--
173
Unit
V
%
V
%
V
%
nA
KHz
mS
A
KHz
Saturation Voltage
ON/OFF Pin Logic Input Threshold
Voltage
ON/OFF Pin Logic Input Current
Maximum Duty Cycle (ON)
Maximum Duty Cycle (OFF)
Quiescent Current
Standby Quiescent Current
SW Pin Leakage
Current
SW pin = 0
SW pin = -1
V_SAT
V_IL
V_IH
I_L
I_H
DC
I_Q
I_STBY
I_SWL
I_OUT=3A, No outside circuit
V_FB =0V force driver on
Low (regulator ON)
High (regulator OFF)
V_LOGIC =2.5V (OFF)
V_LOGIC =0.5V (ON)
V_FB =0V force driver on
V_FB =12V force driver off
V_FB =12V force driver off
ON/OFF pin=5V
V_IN =40V
No outside circuit,
V_FB =12V force driver off
V_IN =12V
-- 1.15 1.50 V
--
0.6
1.3
V
2.0
--
--
5
15
µA
-- 0.02 5
--
100
--
%
--
0
--
--
5
10 mA
--
200
80
µA
--
250
--
0.3
2
mA
--
7.5 30 mA
2/8
Version: C07