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| 型号： | TPS40190DRCRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 20/25页 |
| 文件大小： | 615K |
| 代理商： | TPS40190DRCRG4 |
www.ti.com
SLUS658B – JULY 2005 – REVISED AUGUST 2007
ELECTRICAL CHARACTERISTICS (continued)
TA = –40°C to 85°C, VVDD= 12 Vdc, TA =TJ, all parameters at zero power dissipation (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT DRIVERS
RHDHI
High-side driver pull-up resistance
VBOOT - VSW = 4.5 V, IHDRV = -100 mA
3
6
RHDLO
High-side driver pull-down resistance
VBOOT - VSW = 4.5 V, IHDRV = 100 mA
1.5
3.0
RLDHI
Low-side driver pull-up resistance
ILDRV = -100 mA
2.5
5.0
RLDLO
Low-side driver pull-down resistance
ILDRV = 100 mA
0.80
1.50
tHRISE
High-side driver rise time (4)
15
35
tHFALL
High-side driver fall time(4)
10
25
CLOAD = 1 nF
ns
tLRISE
Low-side driver rise time(4)
15
35
tLFALL
Low-side driver fall time(4)
10
25
UVLO
VUVLO
Turn-on voltage
4.10
4.25
4.40
V
UVLOHYST Hysteresis
270
320
370
mV
SHUTDOWN
VIH
High-level input voltage, ENABLE
2.8
V
VIL
Low-level input votlage, ENABLE
0.6
BOOT DIODE
VDFWD
Bootstrap diode forward voltage
IBOOT = 5 mA
0.6
0.8
1.2
V
(4)
Ensured by design. Not production tested.
4
Copyright 2005–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS40190
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