参数资料
型号: TPS65131RGETG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 2.2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PQCC24
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-24
文件页数: 23/34页
文件大小: 785K
代理商: TPS65131RGETG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS65130, TPS65131
SLVS493B – MARCH 2004 – REVISED SEPTEMBER 2004
MIN
NOM
MAX
UNIT
VI
Input voltage range
2.7
5.5
V
TA
Operating free-air temperature range
-40
85
°C
TJ
Operating virtual junction temperature range
-40
125
°C
Over recommended free-air temperature range and over recommended input voltage range, typical at an ambient
temperature of 25
°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC-DC STAGE (VPOS, VNEG)
Adjustable output voltage
VPOS
VIN+ 0.5 V
15
V
range
Adjustable output voltage
VNEG
-15
-2
V
range
VREF
Reference voltage
IREF = 10 A
1.2
1.213
1.225
V
Positive feedback input
IFBP
VFBP = VREF
50
nA
bias current
Negative feedback input
IFBN
VFBN = 0.1 VREF
50
nA
bias current
Positive feedback regu-
VFBP
VIN = 2.7 V to 5.5 V
1.189
1.213
1.237
V
lation voltage
Negative feedback regu-
VFBN
VIN = 2.7 V to 5.5 V
-0.024
0
0.024
V
lation voltage
Total Output DC accuracy
+3%
VIN = 3.6 V
440
620
Inverter switch
RDS(ONN)
m
on-resistance
VIN = 5.0 V
330
530
TPS65130 Inverter switch
ILIMN
2.7 V < VIN < 5.5 V
700
800
900
mA
current limit
TPS65131 Inverter switch
ILIM
VIN = 3.6 V
1800
1950
2200
mA
current limit
VPOS = 5 V
230
300
Boost switch
RDS(ONP)
m
on-resistance
VPOS = 10 V
170
200
TPS65130 Boost switch
ILIMP
2.7 V < VIN < 5.5 V
700
800
900
mA
current limit
TPS65131 Boost switch
ILIMP
VIN = 3.6 V, VPOS = 8.0 V
1800
1950
2200
mA
current limit
Maximum duty cycle boost
DMAXP
87.5%
converter
Maximum duty cycle in-
DMAXN
87.5%
verting converter
Minimum duty cycle boost
DMINP
12.5%
converter
Minimum duty cycle in-
DMINN
12.5%
verting converter
CONTROL STAGE
fS
Oscillator frequency
1250
1380
1500
kHz
VENP,ENN,PSP,PSN
High level input voltage
1.4
V
VENP,ENN,PSP,PSN
Low level input voltage
0.4
V
ENP, ENN, PSP,
IENP,ENN,PSP,PSN
Input current
0.01
0.1
A
PSN = GND or VIN
RBSW
Output resistance
27
k
VIN
Input voltage range
2.7
5.5
V
3
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