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参数资料
型号： TPS54316QPWPRQ1
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
封装： GREEN, PLASTIC, HTSSOP-20
文件页数： 13/19页
文件大小： 0K
代理商： TPS54316QPWPRQ1
TPS54311-Q1, TPS54312-Q1
TPS54313-Q1, TPS54314-Q1
TPS54315-Q1, TPS54316-Q1
SGLS242G OCTOBER 2004 REVISED SEPTEMBER 2008
www.ti.com
3
PACKAGE DISSIPATION RATINGS(1) (2)
PACKAGE
THERMAL IMPEDANCE
JUNCTION-TO-AMBIENT
TA = 25°C
POWER RATING
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
20-Pin PWP with solder
26
°C/W
3.85 W(3)
2.12 W
1.54 W
20-Pin PWP without solder
57.5
°C/W
1.73 W
0.96 W
0.69 W
(1) For more information on the PWP package, see the Texas Instruments technical brief (SLMA002).
(2) Test board conditions:
1. 3”
× 3”, 2 layers, Thickness: 0.062”
2. 1.5 oz copper traces located on the top of the PCB
3. 1.5 oz copper ground plane on the bottom of the PCB
4. Ten thermal vias (see the recommended land pattern in the Applications section of this data sheet)
(3) Maximum power dissipation may be limited by overcurrent protection.
ELECTRICAL CHARACTERISTICS
TJ = 40°C to 125°C, VIN = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE, VIN
VIN
Input voltage range
3
6
V
fs = 350 kHz,
FSEL
≤ 0.8 V,
RT open
6.2
9.6
Quiescent current
fs = 550 kHz,
Phase pin open
FSEL
≥ 2.5 V,
RT open,
8.4
12.8
mA
Shutdown,
SS/ENA = 0 V
1
1.4
UNDER VOLTAGE LOCK OUT
Start threshold voltage, UVLO
2.95
3
V
Stop threshold voltage, UVLO
2.7
2.8
V
Hysteresis voltage, UVLO
0.14
V
Rising and falling edge deglitch,
UVLO(1)
2.5
s
BIAS VOLTAGE
Output voltage, VBIAS
I(VBIAS) = 0
2.7
2.8
2.95
V
Output current, VBIAS(2)
100
A
OUTPUT VOLTAGE
TPS54311
TJ = 25°C,
VIN = 5 V
0.9
V
TPS54311
3
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
TPS54312
TJ = 25°C,
VIN = 5 V
1.2
V
TPS54312
3
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
TPS54313
TJ = 25°C,
VIN = 5 V
1.5
V
Output voltage
TPS54313
3
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
VO
Output voltage
TPS54314
TJ = 25°C,
VIN = 5 V
1.8
V
TPS54314
3
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
TPS54315
TJ = 25°C,
VIN = 5 V
2.5
V
TPS54315
3.2
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
TPS54316
TJ = 25°C,
VIN = 5 V
3.3
V
TPS54316
4
≤ VIN ≤ 6 V,
0
≤ IL ≤ 3 A,
40
≤ TJ ≤ 125
2.5%
REGULATION
Line regulation(1) (3)
IL = 1.5 A,
350
≤ fs ≤ 550 kHz, TJ = 85°C
0.21
%/V
Load regulation(1) (3)
IL = 0 A to 3 A,
350
≤ fs ≤ 550 kHz, TJ = 85°C
0.21
%/A
(1) Specified by design
(2) Static resistive loads only
(3) Specified by the circuit used in Figure 10.
相关PDF资料
PDF描述
TPS54315QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS54313QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS54311QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS60130PWPRG4 0.3 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
TPS60132PWP 0.15 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
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