Datasheet

TPS65140, TPS65141
TPS65145
SLVS497E –SEPTEMBER 2003–REVISED NOVEMBER 2012 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V
in
= 3.3 V, EN = VIN, V
O
1 = 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
V
O
1 Output voltage range 5 15 V
Minimum input to output
V
O1
-Vin 1 V
voltage difference
V
REF
Reference voltage 1.205 1.13 1.219 V
Feedback regulation
V
FB
1.136 1.146 1.154 V
voltage
Feedback input bias
I
FB
10 100 nA
current
V
O
1 = 10 V, I
sw
= 500 mA 195 290
N-MOSFET on-resistance
r
DS(on)
mΩ
(Q1)
V
O
1 = 5 V, I
sw
= 500 mA 285 420
TPS65140, TPS65141 1.6 2.3 2.6 A
N-MOSFET switch current
I
LIM
limit (Q1)
TPS65145 0.96 1.37 1.56 A
V
O
1 = 10 V, I
sw
= 100 mA 9 15
P-MOSFET on-resistance
r
DS(on)
Ω
(Q2)
V
O
1 = 5 V, I
sw
= 100 mA 14 22
Maximum P-MOSFET peak
I
MAX
1 A
switch current
I
leak
Switch leakage current V
sw
= 15 V 1 10 μA
0°C ≤ T
A
≤ 85°C 1.295 1.6 2.1
f
SW
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; I
load
= 100 mA 0.012 %/V
Load regulation 0 mA ≤ I
O
≤ 300 mA 0.2 %/A
NEGATIVE CHARGE PUMP V
O
2
V
O
2 Output voltage range -2 V
V
ref
Reference voltage 1.205 1.213 1.219 V
Feedback regulation
V
FB
-36 0 36 mV
voltage
Feedback input bias
I
FB
10 100 nA
current
Q8 P-Channel switch
4.3 8
r
DS(on)
r
DS(on)
I
O
= 20 mA Ω
Q9 N-Channel switch
2.9 4.4
r
DS(on)
I
O
Maximum output current 20 mA
7 V ≤ V
O
1 ≤ 15 V, I
load
=10 mA,
Line regulation 0.09 %/V
V
O
2 = -5 V
Load regulation 1 mA ≤ I
O
≤ 20 mA, V
O
2 = -5 V 0.126 %/mA
POSITIVE CHARGE PUMP V
O
3
V
O
3 Output voltage range 30 V
V
ref
Reference voltage 1.205 1.213 1.219 V
Feedback regulation
V
FB
1.187 1.214 1.238 V
voltage
Feedback input bias
I
FB
10 100 nA
current
Q3 P-Channel switch
9.9 15.5
r
DS(on)
Q4 N-Channel switch
1.1 1.8
r
DS(on)
r
DS(on)
I
O
= 20 mA Ω
Q5 P-Channel switch
4.6 8.5
r
DS(on)
Q6 N-Channel switch
1.2 2.2
r
DS(on)
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