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参数资料
| 型号： | TPS65148RHBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 25/30页 |
| 文件大小： | 947K |
| 代理商： | TPS65148RHBR |
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SLVS904A – MAY 2009 – REVISED JANUARY 2011
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
VIN = 5 V, VREG_I = VS = VSUP = 13.6 V, VREG_O = 12.5 V, VOPI = 5 V, VGH = 23 V, TA = –40°C to 85°C, typical values are at
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RESET FUNCTION (XAO)
VIN_DET
Operating voltage for VIN
1.6
6.0
V
VDET
Threshold voltage
Falling, VIN = 2.3 V
1.216
1.240
1.264
V
VDET_HYS
Threshold hysterisis
65
mV
I XAO (ON)
Sink current capability(1)
V XAO(ON) = 0.5 V
1
mA
V XAO(ON)
Low voltage level
I XAO (ON)= 1 mA
0.5
V
ILEAK_XAO
Leakage current
V XAO = VIN = 3.3V
2
mA
VCOM BUFFER (VCOM)
VSUP
VSUP supply range
(2)
VSUP = VS
7
18
V
VOFFSET
Input offset voltage
VCM = VOPI = VSUP/2 = 6.8 V
–15
15
mV
IB
Input bias current
VCM = VOPI = VSUP/2 = 6.8 V
-1
1
mA
VCM
Common mode input voltage range
VOFFSET = 10 mV, IOPO = 10 mA
1
VS-1.5
V
CMRR
Common mode rejection ratio
VCM = VOPI = VSUP/2 = 6.8 V, 1 MHz
66
dB
VOL
Output voltage swing low
IOPO = 10 mA
0.10
0.25
V
VOH
Output voltage swing high
IOPO = 10 mA
VS - 1 VS - 0.65
V
Source (VOPI = VSUP/2 = 6.8 V, OPO = GND)
90
130
Isc
Short circuit current
mA
Sink (VOPI = VSUP/2 = 6.8 V,
110
160
VOPO = VSUP = 13.6 V)
Source (VOPI = VSUP/2 = 6.8, VOFFSET = 15 mV)
130
Io
Output current
mA
Sink (VOPI = VSUP/2 = 6.8, VOFFSET = 15 mV)
130
PSRR
Power supply rejection ratio
40
dB
SR
Slew rate
AV = 1, VOPI = 2 VPP
60
V/ms
BW
–3db bandwidth
AV = 1, VOPI = 60 mVPP
60
MHz
GATE DRIVER (GD)
IGD
Gate driver sink current
EN = 'high'
10
mA
RGD
Gate driver internal pull up resistance
5
k
HIGH VOLTAGE STRESS TEST (HVS)
RHVS
RHVS pull down resistance
HVS = 'high', VIN = 2.5V to 6 V, IHVS = 100 A
400
500
600
ILEAK_RHVS
RHVS leakage current
HVS = 'low', VRHVS = 5 V
0.1
mA
(1)
External pull-up resistor to be chosen so that the current flowing into XAO Pin (V XAO = 0 V) when active is below I XAO_MIN = 1mA.
(2)
Maximum output voltage limited by the Overvoltage Protection and not the maximum power switch rating of the boost converter.
4
Copyright 2009–2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS65148
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