參數(shù)資料
型號(hào)： TPIC74100QPWPRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2.5 A SWITCHING REGULATOR, 440 kHz SWITCHING FREQ-MAX, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-20
文件頁數(shù)： 26/30頁
文件大小： 781K
代理商： TPIC74100QPWPRQ1
www.ti.com
ELECTRICAL CHARACTERISTICS
BUCK/BOOST SWITCH-MODE REGULATOR
SLIS125 – DECEMBER 2006
V
(driver) = 6 V to 17 V, TA = -40°C to 125°C, unless otherwise noted
Parameters
TEST CONDITIONS
Min
Typ
Max
Unit
V(driver)
Unregulated input voltage
1.5
40
V
V(driver)
Start-up condition voltage
IO = 600 mA
5
V
CO = 36 F (min) to 220 F (max)
4
20
SOM
Soft-start ramp
V/ms
CO = 220 F (min) to 470 F (max), see
2
20
Note (1)
I(standby)
Standby current
ENABLE = low
10
20
A
Iq
Quiescent current
CLP = 0 V, V(driver) = 11 V, IO = 0 mA
100
160
A
VO
Output voltage
DC
5
V
Normal mode
2%
VO
Output-voltage tolerance
Boost/buck crossover or low-power
3%
mode
IO
Output current
V(driver)≥ 7 V
1
A
V(driver) = 2 V, see Note (2)
200
IO(Boost)
Output current, boost mode
mA
V(driver)= 1.5 V, see Note (2)
120
Internal peak current limit (normal
IPPn
(1)
1.75
2.5
A
mode)
Internal peak current limit (low-power
IPPl
(1)
0.75
1.25
mode)
IP
Peak current
V(driver) = 16 V, IO = 1 A, and L = 33 H
1.5
A
Boost/buck crossover voltage
V(driver)
See Note (3)
5
5.9
V
window
Tot
Thermal shutdown(4)
160
180
200
°C
5Vg Output and ENABLE
rDS(on)
On-state resistance
135
225
m
IO
Output current
400
mA
VI
5Vg_ENABLE input-voltage range
–0.5
VO
V
VIH
5Vg_ENABLE threshold high voltage V(5Vg) = 5 V
2.5
3
3.5
V
VIL
5Vg_ENABLE threshold low voltage
V(5Vg) = 0 V
1.5
2
2.5
V
V(hys)
Hysteresis voltage
0.5
1
V
r(pd)
Internal pulldown resistor
300
500
850
k
ENABLE
VI
ENABLE input-voltage range
–0.5
40
V
8 V
≤ V
(driver) ≤ 17 V
2.5
3
3.5
VIH
ENABLE threshold high voltage
V
6 V
≤ V
(driver) < 8 V
1.9
3
3.5
VIL
ENABLE threshold low voltage
VO = 5 V
1.5
2
2.5
V
8 V
≤ V
(driver) ≤ 17 V
0.5
1
V(hys)
Hysteresis voltage
V
6 V
≤ V
(driver) < 8 V
0.1
(1)
Ensured by characterization.
(2)
Tested with inductor having following characteristics: L = 33 H, Rmax = 0.1 , IR = 1.8 A. Output current must be verified in application
when inductor Rmax (ESR) is increased.
(3)
Ensured by characterization. For further details, see the Buck/Boost Transitioning section.
(4)
Ensured by characterization; hysteresis 15°C (typical)
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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