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SLVS413C – OCTOBER 2002 – REVISED AUGUST 2007
RECOMMENDED OPERATING CONDITIONS
MIN
V
IN
V
OUT
L
f
C
IN
C
OUT
T
A
T
J
(1)
Input voltage range
Output voltage range
Inductor
(1)
Switching frequency
Input capacitor
(1)
(1)
(1)
TYP
MAX
6
28
UNIT
V
V
μH
MHz
μF
μF
1.8
2.2
10
1
4.7
1
–40
–40
85
125
Output capacitor
Operating ambient temperature
Operating junction temperature
See application section for further information.
°C
°C
ELECTRICAL CHARACTERISTICS
V
IN
= 2.4 V, EN = V
IN
, T
A
= –40°C to 85°C, typical values are at T
A
= 25°C (unless otherwise noted)
PARAMETER
SUPPLY CURRENT
V
IN
I
Q
I
SD
V
UVLO
ENABLE
V
IH
V
IL
I
I
Vsw
t
off
t
on
R
DS(on)
R
DS(on)
I
LIM
I
LIM
OUTPUT
V
OUT
V
ref
I
FB
V
FB
Adjustable output voltage range
Internal voltage reference
Feedback input bias current
Feedback trip point voltage
Line regulation
(1)
TEST CONDITIONS
MIN
1.8
TYP
MAX
6
UNIT
V
μA
μA
V
V
Input voltage range
Operating quiescent current
Shutdown current
Under-voltage lockout threshold
EN high level input voltage
EN low level input voltage
EN input leakage current
Maximum switch voltage
Minimum off time
Maximum on time
MOSFET on-resistance
MOSFET on-resistance
MOSFET leakage current
MOSFET current limit
MOSFET current limit
V
IN
= 2.4 V; I
SW
= 200 mA; TPS61040
V
IN
= 2.4 V; I
SW
= 200 mA; TPS61041
V
SW
= 28 V
TPS61040
TPS61041
EN = GND or V
IN
I
OUT
= 0 mA, not switching, V
FB
= 1.3 V
EN = GND
28
0.1
1.5
1.3
50
1
1.7
0.4
0.1
1
30
250
4
400
6
600
750
1
350
215
V
IN
1.233
V
FB
= 1.3 V
1.8 V
≤
V
IN
≤
6 V
1.8 V
≤
V
IN
≤
6 V; V
OUT
= 18 V; I
load
= 10 mA;
C
FF
= not connected
V
IN
= 2.4 V; V
OUT
= 18 V; 0 mA
≤
I
OUT
≤
30 mA
1.208
1.233
0.05
0.15
1
1.258
400
250
550
7.5
1000
1250
10
450
285
28
V
μA
V
ns
μs
mΩ
mΩ
μA
mA
mA
V
V
μA
V
%/V
%/mA
POWER SWITCH AND CURRENT LIMIT
Load regulation
(1)
(1)
The line and load regulation depend on the external component selection. See the application section for further information.
Copyright © 2002–2007, Texas Instruments Incorporated
5
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