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参数资料
型号： TPS54160DGQR
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 2.7 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封装： GREEN, PLASTIC, MSOP-10
文件页数： 23/50页
文件大小： 1375K
代理商： TPS54160DGQR
TPS54160
www.ti.com
SLVS795C – OCTOBER 2008 – REVISED OCTOBER 2010
THERMAL INFORMATION
TPS54160
THERMAL METRIC(1)(2)
DGQ
UNITS
10 PINS
qJA
Junction-to-ambient thermal resistance (standard board)
62.5
qJA
Junction-to-ambient thermal resistance (custom board)(3)
57
qJCtop
Junction-to-case (top) thermal resistance
83
qJB
Junction-to-board thermal resistance
28
°C/W
yJT
Junction-to-top characterization parameter
1.7
yJB
Junction-to-board characterization parameter
20.1
qJCbot
Junction-to-case (bottom) thermal resistance
21
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2)
Power rating at a specific ambient temperature TA should be determined with a junction temperature of 150°C. This is the point where
distortion starts to substantially increase. See power dissipation estimate in application section of this data sheet for more information
(3)
Test boards conditions:
(a) 3 inches x 3 inches, 2 layers, thickness: 0.062 inch
(b) 2 oz. copper traces located on the top of the PCB
(c) 2 oz. copper ground plane, bottom layer
(d) 6 thermal vias (13mil) located under the device package
ELECTRICAL CHARACTERISTICS
TJ = –40°C to 150°C, VIN = 3.5 to 60V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE (VIN PIN)
Operating input voltage
3.5
60
V
Internal undervoltage lockout
No voltage hysteresis, rising and falling
2.5
V
threshold
Shutdown supply current
EN = 0 V, 25°C, 3.5 V
≤ VIN ≤ 60 V
1.3
4
mA
Operating : nonswitching supply
VSENSE = 0.83 V, VIN = 12 V, 25°C
116
136
current
ENABLE AND UVLO (EN PIN)
Enable threshold voltage
No voltage hysteresis, rising and falling, 25°C
0.9
1.25
1.55
V
Enable threshold +50 mV
–3.8
Input current
mA
Enable threshold –50 mV
–0.9
Hysteresis current
–2.9
mA
VOLTAGE REFERENCE
TJ = 25°C
0.792
0.8
0.808
Voltage reference
V
0.784
0.8
0.816
HIGH-SIDE MOSFET
VIN = 3.5 V, BOOT-PH = 3 V
300
On-resistance
m
VIN = 12 V, BOOT-PH = 6 V
200
410
ERROR AMPLIFIER
Input current
50
nA
Error amplifier transconductance (gM) –2 mA < ICOMP < 2 mA, VCOMP = 1 V
97
mMhos
–2 mA < ICOMP < 2 mA, VCOMP = 1 V,
Error amplifier transconductance (gM)
26
mMhos
during slow start
VVSENSE = 0.4 V
Error amplifier dc gain
VVSENSE = 0.8 V
10,000
V/V
Error amplifier bandwidth
2700
kHz
Error amplifier source/sink
V(COMP) = 1 V, 100-mV overdrive
±7
mA
COMP to switch current
6
A/V
transconductance
Copyright 2008–2010, Texas Instruments Incorporated
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Product Folder Link(s): TPS54160
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