參數(shù)資料
型號： TPS5140PAGR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.5 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PQFP64
封裝： GREEN, PLASTIC, TQFP-64
文件頁數(shù)： 7/61頁
文件大小： 1181K
代理商： TPS5140PAGR
TPS5140
FOUR-CHANNEL DC/DC CONTROLLER FOR NOTEBOOK PC POWER
SLVS305A – DECEMBER 2000 – REVISED JANUARY 2001
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 7 V
(unless otherwise noted) (continued)
VREF3.3
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Output voltage
IO = 0 mA to 30 mA,
TA = 25°C
VCC = 5.5 V to 28 V,
3.15
3.30
3.45
V
Line regulation
VCC = 5.5 V to 28 V,
IO = 10 mA
20
mV
Load regulation
IO = 1 mA to 10 mA,
VCC = 5.5 V
40
mV
IOS
Short circuit output current
Vref = 0 V,
TA = 25°C
–40
mA
output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUT u
Sink current
VO = 3 V
1.2
A
OUT_u
Source current
VO = 2 V
–1.2
A
OUT d
Sink current
VO = 3 V
1.5
A
OUT_d
Source current
VO = 2 V
–1.5
A
LL_UP
Sink current
VLL_UP = 0.3 V,
OUT_12V = 12 V
0.65
A
OUT_12V
Output impedance
IN_12V = 12 V,
IOUT_12V = 150 mA
1.1
I(TRIP)
TRIP current
TRIP1/2/3,
TA = 25°C
11.5
13
15
A
softstart
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(CTRL) Soft start current
Softstart1/2/3
–1.6
–2.3
–2.9
A
I(CTRL) Soft start current
Softstart_12V
–0.007
A
output voltage monitor
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OVP comparator threshold voltage
CH1/2/3
1.28
1.33
1.38
V
OVP comparator threshold voltage
12 V boost
12.9
13.4
13.9
V
UVP comparator threshold voltage
CH1/2/3
0.90
0.95
1
V
UVP comparator threshold voltage
12 V boost
9
9.5
10
V
PG comparator threshold voltage
PG comparator1/2/3, upper threshold
1.22
1.27
1.32
V
PG comparator threshold voltage
PG comparator1/2/3, lower threshold
1.05
1.1
1.15
V
PG propagation delay from INV to
INV = 0.985 V to 1.185 V, PG_DELAY = open
3.7
s
PG ro agation delay from INV to
PG_OUT
INV = 1.185 V to 0.985 V, PG_DELAY = open
8.9
s
IPG_DELAY) PG_DELAY source current
1.1
1.7
2.3
A
I(SCP)
SCP source current
UVP protection
1.5
2.3
3.1
A
I(SCP)
SCP source current
OVP protection
8
11.5
15
A
whole device
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
Supply current
1.8
2.6
mA
IO(SD)
Shutdown current
STBY1/2/3/12V,
STBY_VREF5/3.3 = 0 V
0.001
10
A
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