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TPS61040 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS61040
Description  LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61040 Datasheet(HTML) 5 Page - Texas Instruments

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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS61040
TPS61041
SLVS413C – OCTOBER 2002 – REVISED AUGUST 2007
MIN
TYP
MAX
UNIT
VIN
Input voltage range
1.8
6
V
VOUT
Output voltage range
28
V
L
Inductor(1)
2.2
10
μH
f
Switching frequency(1)
1
MHz
CIN
Input capacitor (1)
4.7
μF
COUT
Output capacitor (1)
1
μF
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
(1)
See application section for further information.
VIN = 2.4 V, EN = VIN, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN
Input voltage range
1.8
6
V
IQ
Operating quiescent current
IOUT = 0 mA, not switching, VFB = 1.3 V
28
50
μA
ISD
Shutdown current
EN = GND
0.1
1
μA
VUVLO
Under-voltage lockout threshold
1.5
1.7
V
ENABLE
VIH
EN high level input voltage
1.3
V
VIL
EN low level input voltage
0.4
V
II
EN input leakage current
EN = GND or VIN
0.1
1
μA
POWER SWITCH AND CURRENT LIMIT
Vsw
Maximum switch voltage
30
V
toff
Minimum off time
250
400
550
ns
ton
Maximum on time
4
6
7.5
μs
RDS(on)
MOSFET on-resistance
VIN = 2.4 V; ISW = 200 mA; TPS61040
600
1000
m
RDS(on)
MOSFET on-resistance
VIN = 2.4 V; ISW = 200 mA; TPS61041
750
1250
m
MOSFET leakage current
VSW = 28 V
1
10
μA
ILIM
MOSFET current limit
TPS61040
350
400
450
mA
ILIM
MOSFET current limit
TPS61041
215
250
285
mA
OUTPUT
VOUT
Adjustable output voltage range
VIN
28
V
Vref
Internal voltage reference
1.233
V
IFB
Feedback input bias current
VFB = 1.3 V
1
μA
VFB
Feedback trip point voltage
1.8 V
≤ VIN ≤ 6 V
1.208
1.233
1.258
V
1.8 V
≤ VIN ≤ 6 V; VOUT = 18 V; Iload = 10 mA;
Line regulation (1)
0.05
%/V
CFF = not connected
Load regulation(1)
VIN = 2.4 V; VOUT = 18 V; 0 mA ≤ IOUT ≤ 30 mA
0.15
%/mA
(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
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