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| 型号： | TPS53114PWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | TSSOP-16 |
| 文件页数： | 22/27页 |
| 文件大小： | 912K |
| 代理商： | TPS53114PWR |
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SLVS887B – APRIL 2009 – REVISED OCTOBER 2010
www.ti.com
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
VIN
4.5
24
Supply input voltage range
V
V5FILT
4.5
5.5
VBST
–0.1
30
VBST - SW
–0.1
5.5
Input voltage range
VFB, VO, FSEL, CER
–0.1
5.5
V
TRIP
–0.1
0.3
EN
–0.1
24
DRVH
–0.1
30
VBST - SW
–0.1
5.5
Output Voltage range
SW
1.8
24
V
DRVL, VREG5, SS
–0.1
5.5
PGND
–0.1
0.1
TA
Operating free-air temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
ELECTRICAL CHARACTERISTICS
over recommended free-air temperature range, VIN = 12 V (unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN current, TA = 25°C, VREG5 tied to V5FLT, EN =
350
600
IIN
VIN supply current
mA
5V, VFB = 0.8V, SW = 0.5V
IVINSDN
VIN shutdown current
VIN current, TA = 25°C, No Load , EN = 0V, VREG5
28
60
mA
= ON
VFB VOLTAGE and DISCHARGE RESISTANCE
VBG
Bandgap Initial regulation accuracy TA = 25°C
–1.0
1.0
%
TA = 25°C , FSEL = 0 V, CER = V5FILT
755
765
775
VVFBTHL
VFB threshold voltage
mV
TA = –40°C to 85°C, FSEL = 0V, CER = V5FILT
752
778
TA = 25°C , FSEL = CER = V5FILT
748
758
768
VVFBTHH
VFB threshold voltage
mV
TA = –40°C to 85°C, FSEL = CER = V5FILT
745
771
IVFB
VFB Input Current
VFB = 0.8V, TA = 25°C
–100
–10
100
nA
RDischg
Vo Discharge Resistance
EN = 0V, VO = 0.5V, TA = 25°C
40
80
VREG5 OUTPUT
VVREG5
VREG5 Output Voltage
TA=25°C, 5.5V < VIN < 24V, 0 < IVREG5 < 10mA
4.8
5.0
5.2
V
VLN5
Line regulation
5.5V < VIN < 24V, IVREG5 = 10mA
20
mV
VLD5
Load regulation
1mA < IVREG5 < 10mA
40
mV
IVREG5
Output current
VIN = 5.5V, VVREG5 = 4.0V, TA = 25°C
170
mA
OUTPUT: N-CHANNEL MOSFET GATE DRIVERS
Source, IDRVH = –100mA
5.5
11
RDRVH
DRVH resistance
Sink, IDRVH = 100mA
2.5
5
Source, IDRVL = –100mA
4
8
RDRVL
DRVL resistance
Sink, IDRVL = 100mA
2
4
DRVH-low to DRVL-on
20
50
80
TD
Dead time
ns
DRVL-low to DRVH-on
20
40
80
INTERNAL BST DIODE
VFBST
Forward Voltage
VVREG5-VBST, IF = 10mA, TA = 25°C
0.7
0.8
0.9
V
IVBSTLK
VBST Leakage Current
VBST = 29V, SW = 24V, TA = 25°C
0.1
1
mA
4
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS53114
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