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参数资料
| 型号： | TS2576CM550RN |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封装： | ROHS COMPLIANT, TO-263, D2PAK-5 |
| 文件页数： | 2/8页 |
| 文件大小： | 392K |
| 代理商： | TS2576CM550RN |
TS2576
3A / 52KHz Buck Switching Regulator
2/8
Version: B07
Thermal Information
Parameter
Symbol
Maximum
Unit
TO-220-5L
2
Thermal Resistance (Junction to Case)
TO-263-5L
JC
2
oC/W
TO-220-5L
65 (note 1)
Thermal Resistance (Junction to Ambient)
TO-263-5L
JA
50 (note 2)
oC/W
Note1: JA is measured on the PCB with minimum copper area.
Note2: JA is measured with the PCB copper area (need connect to GROUND pins) of approximately 0.5 in
2
Electrical Specifications (All Output Voltage Version)
(Ta = 25
oC unless otherwise noted, VIN=12V for 3.3V, 5V, Adjustable version. ILOAD =0.5A)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Output Feedback
VFB
4.5V≤ VIN ≤40V
0.2A≤ ILOAD ≤3A
1.180
1.23
1.280
V
Efficiency
ADJ
η
VIN =12V, ILOAD =3A, VOUT =5V
--
77
--
%
Output Feedback
VFB
4.75V≤ VIN ≤40V
0.2A≤ ILOAD ≤3A
3.135
3.3V
3.465
V
Efficiency
3.3V
η
VIN =12V, ILOAD =3A
--
75
--
%
Output Feedback
VFB
7V≤ VIN ≤40V
0.2A≤ ILOAD ≤3A
4.75
5
5.25
V
Efficiency
5V
η
VIN =12V, ILOAD =3A
--
77
--
%
Feedback Bias Current
IFB
VOUT = 5V (Adjustable Version)
--
50
100
nA
Oscillator Frequency
FOSC
47
52
58
KHz
Soft-Start Time
TSS
Rising edge of EN on to ICL
--
3
--
mS
Current Limit
ICL
Pear Current, no outside circuit
VFB =0V force driver on
5.9
--
A
Saturation Voltage
VSAT
IOUT=3A, No outside circuit
VFB =0V force driver on
--
1.4
1.8
V
VIL
Low (regulator ON)
--
1.2
1.0
ON/OFF Pin Logic Input Threshold
Voltage
VIH
High (regulator OFF)
2.2
1.4
--
V
IL
VLOGIC =5V (OFF)
--
12
30
ON/OFF Pin Logic Input Current
IH
VLOGIC =0V (ON)
--
0
10
A
Maximum Duty Cycle (ON)
VFB =0V force driver on
93
98
--
Maximum Duty Cycle (OFF)
DC
VFB =12V force driver off
--
0
--
%
Quiescent Current
IQ
VFB =12V force driver off
--
5
10
mA
ON/OFF pin=5V
--
200
Standby Quiescent Current
ISTBY
VIN =40V
--
70
250
A
SW pin = 0
No outside circuit,
VFB =12V force driver off
--
0.3
2
mA
SW Pin Leakage
Current
SW pin = -1
ISWL
VIN =12V
--
7.5
30
mA
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