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参数资料
型号： TPS53126PWR
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24
封装： PLASTIC, TSSOP-24
文件页数： 25/30页
文件大小： 899K
代理商： TPS53126PWR
ABSOLUTE MAXIMUM RATINGS
DISSIPATION RATING TABLE (2 OZ. TRACE AND COPPER PAD WITH SOLDER)
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS53126
SLUS909 – MAY 2009........................................................................................................................................................................................................ www.ti.com
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
VIN, EN1, EN2
–0.3 to 26
VBST1, VBST2
–0.3 to 32
Input voltage range
VBST1, VBST2 (wrt SWx)
–0.3 to 6
V
V5FILT, VFB1, VFB2, TRIP1, TRIP2, VO1, VO2, TEST1, TEST2
–0.3 to 6
SW1, SW2
–2 to 26
DRVH1, DRVH2
–1 to 32
DRVH1, DRVH2 (wrt SWx)
–0.3 to 6
Output voltage range
V
DRVL1, DRVL2, VREG5
–0.3 to 6
PGND1, PGND2
–0.3 to 0.3
TA
Operating ambient temperature range
–40 to 85
°C
TSTG
Storage temperature range
–55 to 150
°C
TJ
Junction temperature range
–40 to 150
°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 are not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
TA < 25°C
DERATING FACTOR
TA = 85°C
PACKAGE
POWER RATING
ABOVE TA = 25°C
POWER RATING
24 pin QFN
2.33 W
23.3 mW/°C
0.93 W
24 pin TSSOP
0.778 W
7.8 mW/°C
0.31 W
MIN
MAX
UNIT
VIN
4.5
24
Supply input voltage range
V
V5FILT
4.5
5.5
VBST1, VBST2
–0.1
30
VBST1, VBST2 (wrt SWx)
–0.1
5.5
VFB1, VFB2, VO1, VO2, TEST1, TEST2
–0.1
5.5
Input voltage range
V
TRIP1, TRIP2
–0.1
0.3
EN1, EN2
–0.1
24
SW1, SW2
–1.8
24
DRVH1, DRVH2
–0.1
30
VBST1, VBST2 (wrt SWx)
–0.1
5.5
Output voltage range
V
DRVL1, DRVL2, VREG5
–0.1
5.5
PGND1, PGND2
–0.1
0.1
TA
Operating free-air temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
over recommended free-air temperature range, VIN = 12 V (Unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN current, TA = 25°C, VREG5 tied to V5FLT, EN1 =
IIN
VIN supply current
450
800
A
EN2 = 5V, VFB1 = VFB2 = 0.8V, SW1 = SW2 = 0.5V
VIN current, TA = 25°C, No load, EN1 = EN2 = 0 V,
IVINSDN
VIN shutdown current
30
60
A
VREG5 = ON
4
Submit Documentation Feedback
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS53126
相关PDF资料
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