TS2515 Datasheet, PDF (2/7 Pages) Taiwan Semiconductor Company, Ltd – 3A / 380KHz PWM Buck Converter

TS2515
3A / 380KHz PWM Buck Converter
Electrical Specifications (V_IN=12V, Ta=25^oC unless otherwise noted)
Characteristics
Symbol
Conditions
Feedback Voltage
Quiescent Current
Feedback Bias Current
Shutdown Supply Current
Soft Stat pin current
Current Limit
Oscillation Frequency
Maximum Duty
Minimum Duty
EN Pin Logic input
threshold voltage
EN Pin Pull High Current
Internal P-MOS R_DSON
Efficiency
Thermal Shutdown Temp.
V_FB
I_q
I_FB
I_SD
I_SS
I_CL
F_OSC
D_MAX
D_MIN
V_SH
V_SL
I_EN
R_DSON
E_FFI
T_SD
I_OUT =0.2A
V_FB =1.5V force driver off
I_OUT =0.2A
V_EN =0V
SW pin
V_FB =1.0V
V_FB =1.5V
High (regulator ON)
Low (regulator OFF)
V_EN =0V
V_CC = 5V, V_FB = 0V
V_CC = 12V, V_FB = 0V
V_CC = 12V,
V_OUT = 5V
I_OUT = 2A
I_OUT = 3A
Min
1.198
--
--
--
--
--
330
100
--
1.5
--
--
--
--
--
--
--
Typ
1.222
3
0.1
23
4.0
4.0
380
--
--
--
--
20
90
60
91
90
140
Max
1.246
5
0.5
36
--
--
430
--
0
--
0.7
36
140
100
--
--
--
Units
V
mA
uA
uA
uA
A
KHz
%
%
V
uA
mΩ
mΩ
%
ºC
Block Diagram
Pin Assignment
Name
FB
EN
SS
Vcc
Description
Feedback pin
Enable input, it is pull-high typically. Drive EN high or
floating to turn on the regulator, driver it low to turn it
off
Soft-Start pin
IC power supply pin
Name
Vss
SW
N/C
Description
GND pin
Switch pin. Connect external inductor
& diode here
No Connect
2/7
Version: A09