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参数资料
| 型号： | TPS61500PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 5 A SWITCHING REGULATOR, 2640 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | GREEN, PLASTIC, HTSSOP-14 |
| 文件页数： | 15/21页 |
| 文件大小： | 725K |
| 代理商： | TPS61500PWP |
ABSOLUTE MAXIMUM RATINGS
(1)
DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
www.ti.com ........................................................................................................................................................................................... SLVS893 – DECEMBER 2008
over operating free-air temperature range (unless otherwise noted)
VALUE
UNIT
Supply voltages on pin VIN(2)
–0.3 to 20
V
Voltages on pins EN(2)
–0.3 to 20
V
Voltage on pin FB, FREQ and COMP, OVP(2)
–0.3 to 3
V
Voltage on pin DIMC, SS(2)
–0.3 to 7
V
Voltage on pin SW(2)
–0.3 to 40
V
Continuous power dissipation
See Dissipation Rating Table
Operating junction temperature range
–40 to 150
°C
Storage temperature range
–65 to 150
°C
Lead temperature (soldering, 10 sec)
260
°C
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values are with respect to network ground terminal.
PACKAGE
THERMAL RESISTANCE
TA ≤ 25°C
TA = 85°C
RθJA
POWER RATING
14 pin PWP(1)
44.5 °C/W
2.25W
0.9W
(1)
Rating based on JEDEC high thermal conductivity (High K) board with 2x2 array of thermal vias. See Texas Instruments application
report (SLMA002) regarding thermal characteristics of the PowerPAD package.
MIN
NOM
MAX
UNIT
VIN
Input voltage range
2.9
18
V
VO
Output voltage range
VIN
38
V
L
Inductor(1)
4.7
47
H
CI
Input Capacitor
4.7
--
F
CO
Output Capacitor
4.7
10
F
Cdim
Analog dimming capacitor(2)
0.1
--
F
PWM
Analog and PWM dimming frequency(3)
200
1000
Hz
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
(1)
The inductance value depends on the switching frequency and end applications. While larger values may be used, values between
4.7
H and 47H have been successfully tested in various appliations. Refer to the Inductor Selection for detail.
(2)
The Cdim with the internal resistor (25k
TYP) forms a RC filter that generates the FB reference voltage according to the duty cycle of
PWM signal. To optimize the RC filter and reduce the output ripple, the value larger than 0.1
F of Cdim is recommended.
(3)
When analog dimming, the max PWM frequency is set by on the RC filter to optimize the output ripple. When PWM dimming, the PWM
frequency is set by the IC loop response.
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS61500
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