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參數資料
型號: TPS40077PWPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數: 16/43頁
文件大小: 847K
代理商: TPS40077PWPG4
APPLICATION 1: BUCK REGULATOR 8-V TO 16-V INPUT, 1.8-V OUTPUT AT 10 A
www.ti.com ..................................................................................................................................................... SLUS714D – JANUARY 2007 – REVISED APRIL 2009
Table 3. Specifications
PARAMETER
NOTES AND CONDITIONS
MIN
NOM
MAX
UNITS
INPUT CHARACTERSTICS
VIN
Input voltage
8
12
16
V
IIN
Input current
VIN = NOM, IOUT = MAX
1.8
2
A
No-load input current
VIN = NOM, IOUT = 0 A
62.6
3.6
mA
VIN_UVLO
Input UVLO
IOUT = MIN to MAX
5.4
6
6.6
V
VIN_ONV
Input ONV
IOUT = MIN to MAX
6.3
7
7.7
V
OUTPUT CHARACTERSTICS
VOUT
Output voltage
VIN = NOM, IOUT = NOM
1.75
1.8
1.85
V
Line regulation(1)
VIN = MIN to MAX, IOUT = NOM
0.5%
Load regulation(1)
VIN = NOM, IOUT = MIN to MAX
0.5%
VOUT_ripple
Output voltage ripple
VIN = NOM, IOUT = MAX
100
mVpp
IOUT
Output current
VIN = MIN to MAX
0
5
10
A
Output overcurrent
IOCP
VIN = NOM, VOUT = VOUT – 5%
12.25
19.4
34
A
inception point
VOVP
Output OVP
IOUT = MIN to MAX
NA
Transient response
ΔI
Load step
IOUT_Max to 0.2 × IOUT _Max
8
A
Load slew rate
10
A/
s
Overshoot
200
mV
Settling time
1
ms
SYSTEM CHARACTERSTICS
fSW
Switching frequency
240
300
360
kHz
η
pk
Peak efficiency
VIN = NOM, IOUT = MIN to MAX
90%
η
Full-load efficiency
VIN = NOM, IOUT = MAX
90%
Operating temperature
Top
VIN = MIN to MAX, IOUT = MIN to MAX
–40
25
85
°C
range
MECHANICAL CHARACTERSTICS
2
Inches
L
Width
5.08
cm
3
Inches
W
Length
7.62
cm
0.41
Inch
h
Component height
1.04
cm
(1)
Voltage accuracy is dependent on resistor tolerance and reference accuracy. Line and load regulation are calculated with respect to the
actual set point voltage.
Copyright 2007–2009, Texas Instruments Incorporated
23
Product Folder Link(s) :TPS40077
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