参数资料
型号: TPS40200HD
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8
封装: PLASTIC, SOIC-8
文件页数: 41/45页
文件大小: 917K
代理商: TPS40200HD
www.ti.com
SGLS400B – OCTOBER 2009 – REVISED MAY 2010
ELECTRICAL CHARACTERISTICS (continued)
–55°C < TA = TJ < 210°C, VDD = 12 V, fOSC = 100 kHz (unless otherwise noted)
TA = –55°C TO 125°C
TA = 175°C
(1)
TA = 210°C
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
Soft Start
Internal
soft-start
RSS(chg)
65
75
170
63
80
170
60
80
170
k
pullup
resistance
Internal
soft-start
RSS(dchg)
190
217
485
175
258
485
165
212
485
k
pulldown
resistance
Soft-start
VSSRST
reset
100
152
200
100
152
1000
100
150
1700
mV
threshold
Overcurrent Protection
Over-
VILIM
current
35
100
150
35
108
150
35
108
150
mV
threshold
Over-
current
OCDF
2
%
duty
cycle(2)
Over-
current
VILIM(rst)
90
105
200
90
110
200
90
110
200
mV
reset
threshold
Oscillator
Oscillator
frequency
35
500
35
500
35
500
range(2)
fOSC
RRC = 200 k,
kHz
85
90
115
85
92
115
84
94
115
CRC = 470 pF
Oscillator
frequency
RRC = 68.1 k,
255
280
345
255
274
345
255
270
345
CRC = 470 pF
Frequency 12 V < VDD < 52 V
–9
0
–9
0
–9
0
line
%
4.5 V < VDD < 12 V
–20
0
–20
0
–20
0
regulation
Ramp
VRMP
4.5 V < VDD < 52 V
VDD÷10
V
amplitude
Pulse-Width Modulator
Minimum
VDD = 12 V
360
500
445
900
525
980
controllabl
tMIN
ns
e pulse
VDD = 30 V
170
250
176
450
240
480
width
fOSC = 100 kHz,
93
98
93
98
93
100
CL = 470 pF
Maximum
DMAX
%
duty cycle
fOSC = 300 kHz,
87
96
87
96
87
96
CL = 470 pF
Modulator
and
KPWM
power-
8
10
12
8
10
12
8
10
12
V/V
stage dc
gain
Error Amplifier
Input bias
IIB
100
250
130
440
680
1500
nA
current
(2)
By design only. Not tested in production.
Copyright 2009–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPS40200-HT
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