參數(shù)資料
型號(hào): TPS65145RGE
廠商: Texas Instruments, Inc.
英文描述: TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD
中文描述: 三路輸出液晶供應(yīng)線性穩(wěn)壓器和電源良好
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 865K
代理商: TPS65145RGE
www.ti.com
TPS65140
TPS65145
SLVS497B–SEPTEMBER 2003–REVISED MARCH 2004
ELECTRICAL CHARACTERISTICS (continued)
V
in
= 3.3 V, EN = VIN, Vo1 = 10 V, T
A
= -40
°
C to 85
°
C, typical values are at T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
MAIN BOOST CONVERTER
Vo1
Output voltage range
V
O1
-Vin
Minimum input to output
voltage difference
V
REF
Reference voltage
Feedback regulation volt-
V
FB
age
I
FB
Feedback input bias cur-
rent
5
1
15
V
V
1.205
1.136
1.13
1.146
1.219
1.154
V
V
10
100
nA
Vo1 = 10 V, I
sw
= 500 mA
Vo1 = 5 V, I
sw
= 500 mA
TPS65140
TPS65145
Vo1 = 10 V, I
sw
= 100 mA
Vo1 = 5 V, I
sw
= 100 mA
195
285
2.3
1.37
290
420
2.6
1.56
15
22
N-MOSFET on-resistance
(Q1)
r
DS(on)
m
1.6
0.96
A
A
N-MOSFET switch current
limit (Q1)
I
LIM
9
P-MOSFET on-resistance
(Q2)
r
DS(on)
14
Maximum P-MOSFET peak
switch current
I
MAX
1
A
V
sw
= 15 V
V
sw
= 0 V
0
°
C
T
A
85
°
C
-40
°
C
T
A
85
°
C
2.7 V
V
I
5.7 V; I
load
= 100 mA
0 mA
I
O
300 mA
1
1
10
10
2.1
2.1
I
leak
Switch leakage current
μA
1.295
1.191
1.6
1.6
f
SW
Oscillator frequency
MHz
Line regulation
Load regulation
0.012
0.2
%/V
%/A
NEGATIVE CHARGE PUMP Vo2
Vo2
Output voltage range
V
ref
Reference voltage
Feedback regulation volt-
V
FB
age
Feedback input bias cur-
I
FB
rent
Q8 P-Channel switch
r
DS(on)
r
DS(on)
Q9 N-Channel switch
r
DS(on)
I
O
Minimum output current
-2
V
V
1.205
1.213
1.219
-36
0
36
mV
10
100
nA
4.3
8
I
O
= 20 mA
2.9
4.4
20
mA
7 V
Vo1
15 V, I
load
=10 mA, Vo2 = -5
V
1 mA
I
O
20 mA, Vo2 = -5 V
Line regulation
0.09
%/V
Load regulation
0.126
%/mA
POSITIVE CHARGE PUMP Vo3
Vo3
Output voltage range
V
ref
Reference voltage
Feedback regulation volt-
V
FB
age
Feedback input bias cur-
I
FB
rent
30
V
V
1.205
1.213
1.219
1.187
1.214
1.238
V
10
100
nA
4
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