参数资料
型号: TPS65140PWPG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 2.6 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
封装: GREEN, PLASTIC, HTSSOP-24
文件页数: 26/31页
文件大小: 1391K
代理商: TPS65140PWPG4
www.ti.com
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
ELECTRICAL CHARACTERISTICS (continued)
V
in = 3.3 V, EN = VIN, VO1 = 10 V, TA= -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
MAIN BOOST CONVERTER
VO1
Output voltage range
5
15
V
Minimum input to output
VO1-Vin
1
V
voltage difference
VREF
Reference voltage
1.205
1.13
1.219
V
Feedback regulation
VFB
1.136
1.146
1.154
V
voltage
Feedback input bias
IFB
10
100
nA
current
VO1 = 10 V, Isw = 500 mA
195
290
N-MOSFET on-resistance
rDS(on)
m
(Q1)
VO1 = 5 V, Isw = 500 mA
285
420
TPS65140, TPS65141
1.6
2.3
2.6
A
N-MOSFET switch current
ILIM
limit (Q1)
TPS65145
0.96
1.37
1.56
A
VO1 = 10 V, Isw = 100 mA
9
15
P-MOSFET on-resistance
rDS(on)
(Q2)
VO1 = 5 V, Isw = 100 mA
14
22
Maximum P-MOSFET peak
IMAX
1
A
switch current
Ileak
Switch leakage current
Vsw = 15 V
1
10
A
0
°C ≤ T
A ≤ 85°C
1.295
1.6
2.1
fSW
Oscillator frequency
MHz
-40
°C ≤ T
A ≤ 85°C
1.191
1.6
2.1
Line regulation
2.7 V
≤ V
I ≤ 5.7 V; Iload = 100 mA
0.012
%/V
Load regulation
0 mA
≤ I
O ≤ 300 mA
0.2
%/A
NEGATIVE CHARGE PUMP VO2
VO2
Output voltage range
-2
V
Vref
Reference voltage
1.205
1.213
1.219
V
Feedback regulation
VFB
-36
0
36
mV
voltage
Feedback input bias
IFB
10
100
nA
current
Q8 P-Channel switch
4.3
8
rDS(on)
IO = 20 mA
Q9 N-Channel switch
2.9
4.4
rDS(on)
IO
Maximum output current
20
mA
7 V
≤ V
O1 ≤ 15 V, Iload =10 mA,
Line regulation
0.09
%/V
VO2 = -5 V
Load regulation
1 mA
≤ I
O ≤ 20 mA, VO2 = -5 V
0.126
%/mA
POSITIVE CHARGE PUMP VO3
VO3
Output voltage range
30
V
Vref
Reference voltage
1.205
1.213
1.219
V
Feedback regulation
VFB
1.187
1.214
1.238
V
voltage
Feedback input bias
IFB
10
100
nA
current
4
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