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| TPS61040_07 Datasheet, PDF (5/22 Pages) Texas Instruments – LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES | |||
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TPS61040
TPS61041
SLVS413C â OCTOBER 2002 â REVISED AUGUST 2007
RECOMMENDED OPERATING CONDITIONS
VIN
VOUT
L
f
CIN
COUT
TA
TJ
Input voltage range
Output voltage range
Inductor (1)
Switching frequency(1)
Input capacitor (1)
Output capacitor (1)
Operating ambient temperature
Operating junction temperature
(1) See application section for further information.
MIN TYP MAX UNIT
1.8
6V
28 V
2.2
10
μH
1 MHz
4.7
μF
1
μF
â40
85 °C
â40
125 °C
ELECTRICAL CHARACTERISTICS
VIN = 2.4 V, EN = VIN, TA = â40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
SUPPLY CURRENT
VIN
IQ
ISD
VUVLO
ENABLE
Input voltage range
Operating quiescent current
Shutdown current
Under-voltage lockout threshold
IOUT = 0 mA, not switching, VFB = 1.3 V
EN = GND
1.8
6V
28
50 μA
0.1
1 μA
1.5 1.7 V
VIH
EN high level input voltage
VIL
EN low level input voltage
II
EN input leakage current
POWER SWITCH AND CURRENT LIMIT
EN = GND or VIN
1.3
V
0.4 V
0.1
1 μA
Vsw
Maximum switch voltage
30 V
toff
ton
RDS(on)
RDS(on)
ILIM
ILIM
OUTPUT
Minimum off time
Maximum on time
MOSFET on-resistance
MOSFET on-resistance
MOSFET leakage current
MOSFET current limit
MOSFET current limit
VIN = 2.4 V; ISW = 200 mA; TPS61040
VIN = 2.4 V; ISW = 200 mA; TPS61041
VSW = 28 V
TPS61040
TPS61041
250 400 550 ns
4
6 7.5 μs
600 1000 mâ¦
750 1250 mâ¦
1
10 μA
350 400 450 mA
215 250 285 mA
VOUT
Vref
IFB
VFB
Adjustable output voltage range
Internal voltage reference
Feedback input bias current
Feedback trip point voltage
Line regulation (1)
Load regulation(1)
VFB = 1.3 V
1.8 V ⤠VIN ⤠6 V
1.8 V ⤠VIN ⤠6 V; VOUT = 18 V; Iload = 10 mA;
CFF = not connected
VIN = 2.4 V; VOUT = 18 V; 0 mA ⤠IOUT ⤠30 mA
VIN
1.233
28 V
V
1 μA
1.208 1.233 1.258 V
0.05
%/V
0.15
%/mA
(1) The line and load regulation depend on the external component selection. See the application section for further information.
Copyright © 2002â2007, Texas Instruments Incorporated
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Product Folder Link(s): TPS61040 TPS61041
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