TPS53127 Datasheet, PDF (3/23 Pages) Texas Instruments – DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS

TPS53127
www.ti.com
SLVSA93 – MARCH 2010
T_A
–40°C to 85°C
PACKAGE^{(2) (3)}
Plastic Quad
Flat Pack (QFN)
TSSOP
ORDERING INFORMATION⁽¹⁾
ORDERING
PART NUMBER
PINS
TPS53127RGET
TPS53127RGER
24
TPS53127PWR
TPS53127PW
OUTPUT SUPPLY
Tape-and-Reel
Tape-and-Reel
Tape-and-Reel
Tube
ECO PLAN
Green
(RoHS and no Sb/Br)
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) All packaging options have Cu NIPDAU lead/ball finish.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted) ⁽¹⁾
V_I
V_O
T_A
T_STG
T_J
Input voltage range
Output voltage range
Operating ambient temperature range
Storage temperature range
Junction temperature range
VIN, EN1, EN2
VBST1, VBST2
VBST1 - SW1, VBST2 - SW2
V5FILT, VFB1, VFB2, TRIP1, TRIP2,
VO1, VO2
SW1, SW2
DRVH1, DRVH2
DRVH1 - SW1, DRVH2 - SW2
DRVL1, DRVL2, VREG5, SS1, SS2
PGND1, PGND2
VALUE
–0.3 to 26
–0.3 to 32
–0.3 to 6
–0.3 to 6
–2 to 26
–1 to 32
–0.3 to 6
–0.3 to 6
–0.3 to 0.3
–40 to 85
–55 to 150
–40 to 150
UNIT
V
V
°C
°C
°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.
DISSIPATION RATINGS
2-oz. trace and copper pad with solder
PACKAGE
T_A < 25°C
POWER RATING
24-pin QFN
2.33 W
24-pin TSSOP
0.778 W
DERATING FACTOR
ABOVE T_A = 25°C
23.3 mW/°C
7.8 mW/°C
T_A = 85°C
POWER RATING
0.93 W
0.31 W
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
V_IN
Supply input voltage
V_I
Input voltage
VIN
V5FILT
VBST1, VBST2
VBST1 - SW1, VBST2 - SW2
VFB1, VFB2, VO1, VO2
TRIP1, TRIP2
EN1, EN2
SW1, SW2
MIN
MAX UNIT
4.5
24
V
4.5
5.5
–0.1
30
–0.1
5.5
–0.1
5.5
V
–0.1
0.3
–0.1
24
–1.8
24
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS53127
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