參數(shù)資料
型號(hào)： TPS65150PWPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁數(shù)： 23/32頁
文件大小： 1412K
代理商： TPS65150PWPR
www.ti.com
ELECTRICAL CHARACTERISTICS
TPS65150
SLVS576 – SEPTEMBER 2005
RECOMMENDED OPERATING CONDITIONS (continued)
MIN
TYP
MAX
UNIT
TJ
Operating junction temperature
–40
125
°C
VIN = 3.3 V, Vs = 10 V, T
A = –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
6.0
V
IQVIN
No load quiescent current into Vin
Device is not switching
14
25
A
IQSUP
No load quiescent current into SUP
Device is not switching
1.9
3
mA
IQVCOM
VCOM quiescent current into SUP
750
1500
A
VUVLO
Undervoltage lockout threshold
VIN falling
1.6
1.8
V
Vhys
Undervoltage lockout threshold
VIN rising
1.7
1.9
V
Thermal shutdown
Temperature rising
155
°C
Thermal shutdown hysteresis
10
°C
LOGIC SIGNALS CTRL
VIH
High level input voltage
1.6
V
VIL
Low level input voltage
0.4
V
II
Input leakage current
CTRL=GND or VIN
0.01
0.2
A
MAIN BOOST CONVERTER
VS
Output voltage range
15
V
VFB
Feedback regulation voltage
1.136
1.146
1.154
V
IFB
Feedback input bias current
10
100
nA
Vs = 10 V; Isw = 500 mA
200
300
N-MOSFET on-resistance (Q1)
m
Vs = 5 V; Isw = 500 mA
305
450
RDS(on)
Vs = 10 V; Isw = 500 mA
8
15
P-MOSFET on-resistance (Q2)
Vs = 5 V; Isw = 500 mA
12
22
IMAX
Maximum P-MOSFET peak switch current
1
A
ILIM
N-MOSFET switch current limit (Q1)
2.0
2.5
3.4
A
Ileak
Switch leakage current
Vsw = 15 V
1
10
A
Vovp
Output overvoltage protection
VOUT rising
16
20
V
fOSC
Oscilator frequency
1.02
1.2
1.38
MHz
Line regulation
Vin=1.8V to 5.0V, Iload=1mA
0.007
%/V
Load regulation
Vin=5V, Iload=0A to 400mA
0.16
%/A
NEGATIVE CHARGE PUMP VGL
VGL
Output voltage range
–2
V
VREF
Reference Voltage on pin REF
1.205
1.213
1.219
V
VFB
Feedback regulation voltage
–36
0
36
mV
IFB
Feedback input bias current
10
100
nA
RDS(on)
Q4 P-Channel switch RDSon
IOUT = 20 mA
4.4
IDRN = 50 mA,
130
300
VFBN = VFBNNominal– 5%
VDropN
Current sink voltage drop(1)
mV
IDRN = 100 mA,
280
450
VFBN = VFBNNominal– 5%
Load regulation
VGL=-5V, Iload=0mA to 20mA
0.016
%/mA
POSITIVE CHARGE PUMP OUTPUT
VCPO
Output voltage range
CTRL = GND, VGH = open
30
V
(1)
The maximum charge pump output current is half the drive current of the internal current source or sink.
3
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