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LM5170PHPR PDF预览

LM5170PHPR

更新时间: 2023-09-03 20:28:18
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德州仪器 - TI 控制器
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多相双向电流控制器 | PHP | 48 | -40 to 125

LM5170PHPR 数据手册

 浏览型号LM5170PHPR的Datasheet PDF文件第4页浏览型号LM5170PHPR的Datasheet PDF文件第5页浏览型号LM5170PHPR的Datasheet PDF文件第6页浏览型号LM5170PHPR的Datasheet PDF文件第8页浏览型号LM5170PHPR的Datasheet PDF文件第9页浏览型号LM5170PHPR的Datasheet PDF文件第10页 
LM5170  
www.ti.com.cn  
ZHCSKK1B DECEMBER 2019 REVISED AUGUST 2021  
over operating free-air temperature range (unless otherwise noted)(1)  
MIN  
NOM  
MAX  
12  
UNIT  
V
VVCC  
TJ  
External voltage applied to VCC  
Operating junction temperature  
Oscillator frequency  
9
125  
°C  
40  
FOSC  
FEX_CLK  
tDT  
50  
500  
kHz  
kHz  
ns  
Synchronization to external clock frequency (minimal 50 kHz)  
Programmable dead time  
0.8 × FOSC  
1.2 × FOSC  
200  
15  
1
ISETD PWM frequency  
1000  
500  
kHz  
ns  
SYNCIN pulse width  
100  
(1) Recommended Operating Conditions are conditions under which the device is intended to be functional. For specifications and test  
conditions, see the Electrical Characteristics.  
(2) Minimum input voltage in boost mode can be lower than 3 V after start-up, but is limited by the minimum off-time.  
7.4 Thermal Information  
LM5170  
THERMAL METRIC(1)  
PHP (TQFP)  
48 PINS  
25.1  
UNIT  
RθJA  
Junction-to-ambient thermal resistance  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
RθJC(top)  
RθJB  
Junction-to-case (top) thermal resistance  
Junction-to-board thermal resistance  
15.6  
8.5  
Junction-to-top characterization parameter  
Junction-to-board characterization parameter  
Junction-to-case (bottom) thermal resistance  
0.2  
ψJT  
8.5  
ψJB  
RθJC(bot)  
1.1  
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application  
report.  
7.5 Electrical Characteristics  
FOSC = 100 kHz; VVCC = 10 V; VVIN = VHV-Port = 48 V and VLV-Port = 12 V, unless otherwise stated.(1)  
PARAMETER  
VIN SUPPLY (VIN, VINX)  
ISHUTDOWN VIN pin current in shutdown mode  
TEST CONDITIONS  
MIN(3)  
TYP(2)  
MAX(3)  
UNIT  
VUVLO = 0 V  
20  
µA  
VVCC > 9 V, VUVLO > 2.5 V, VEN1 = VEN2  
= 0 V  
ISTANDBY  
VIN pin current, no switching  
1
mA  
VIN to VINX disconnect switch  
VIN to VINX disconnect switch  
VUVLO < 1 V or VVCC < 7.5 V  
VUVLO > 2.6 V, VVCC > 9 V  
5
MΩ  
100  
Ω
VCC AND VCCA BIAS SUPPLIES  
VCCUVLO  
VCCHYS  
IVCC_SD  
IVCC_SB  
VCC undervoltage detection  
VVCC falling  
7.6  
8.1  
8
8.3  
8.9  
30  
V
V
VCC UVLO hysteresis  
VVCC rising  
8.5  
VCC sink current in shutdown mode  
VCC sink current in standby: no switching  
VUVLO = 0 V  
µA  
mA  
VUVLO > 2.6 V, VEN1 = VEN2 = 0 V  
10  
MASTER ON/OFF CONTROL (UVLO)  
VUVLO_TH  
IHYS  
UVLO release threshold  
UVLO hysteresis current  
UVLO voltage rising  
2.4  
21  
2.5  
25  
2.6  
29  
V
UVLO source current when VUVLO > 2.6  
V
µA  
VSD  
UVLO shutdown threshold (IC shutdown)  
UVLO shutdown release  
UVLO voltage falling  
1
1.25  
0.25  
2.5  
1
1.5  
V
V
UVLO voltage rising above VSD  
UVLO voltage falling  
0.15  
0.35  
tUVLO  
UVLO glitch filter time  
µs  
µA  
UVLO internal pulldown current  
CHANNEL ENABLE INPUTS EN1 AND EN2  
VIL  
VIH  
Enable input low state  
Enable input high state  
Disabled the driver outputs  
Enable the driver outputs  
1
V
V
2
Copyright © 2021 Texas Instruments Incorporated  
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