參數(shù)資料
型號： TPS40132RHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 40 A SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC32
封裝： GREEN, PLASTIC, QFN-32
文件頁數(shù)： 34/40頁
文件大?。?/td> 1032K
代理商： TPS40132RHBT
www.ti.com
ELECTRICAL CHARACTERISTICS
SLUS776A – DECEMBER 2007 – REVISED FEBRUARY 2008
TA = -40°C to 85°C, VIN = 5.0 V, VDD = 12.0 V, RRT = 64.9 k, TJ = TA (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN5 INPUT SUPPLY
VIN
Operating voltage range, VIN5
4.5
5.0
5.8
V
IIN
Shutdown current, VIN5
EN/SYNC = GND
5
A
Operating current
Outputs switching, No load
1.0
2.0
mA
BP5 INPUT SUPPLY
Operating voltage range
4.5
5.0
5.5
V
IBP5
Operating current
Outputs switching, no external FETs
3
5
mA
Turn-on BP5 rising
3.90
4.25
4.45
V
Turn-off hysteresis(1)
150
mV
VDD
INPUT SUPPLY
4.5
28
V
BP8VBP8
Output Voltage
Internal load < 1 mA, No external load
7.5
V
OSCILLATOR/SYNCHRONIZATION
RT = 64.9 k
355
400
455
Phase frequency accuracy
RT = 64.9 k, 0°C ≤ TA ≤ 85°C
360
400
440
kHz
Phase frequency set range(1)
100
1200
Synchronization frequency range(1)
800
9600
High level input voltage
VBP5-0.5
Synchronization input threshold(1)
V
Low level input voltage
0.5
EN/SYNC
Bandgap enable threshold
Pulse width > 50 ns
0.8
1.0
1.5
V
PWM switching enable(1)
3.2
VBP5
PWM
Maximum duty cycle per channel(1)
87.5%
Minimum duty cycle per channel(1)
0
VREF
Voltage reference
ILOAD = 100 A, 0°C ≤ TA ≤ 85°C
600
mV
ERROR AMPLIFIER
Voltage feedback, trimmed
VFB
0
°C ≤ T
A ≤ 85°C
596
600
604
mV
(including differential amplifier)
CMRR
Input common mode range(1)
0.0
0.67
2.0
mV
Input bias current
VFB = 0.6 V
55
200
nA
Input offset voltage
0
V
ISRC
Output source current
VCOMP = 1.1 V, VFB = 0.5 V
1
2
mA
ISINK
Output sink current
VCOMP = 1.1 V, VFB =VBP5
1
2
VOH
High-level output voltage
ICOMP = -1 mA
2.5
2.9
V
VOL
low-level output voltage
ICOMP = 1 mA
0.5
0.8
GBW
Gain bandwidth(1)
3
5
MHz
AVOL
Open loop gain(1)
60
90
dB
(1)
Ensured by design. Not production tested.
4
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s) :TPS40132
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