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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： | 29/34页 |
| 文件大小： | 785K |
| 代理商： | TPS65131RGETG4 |
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PIN ASSIGNMENTS
FBP
VPOS
INP
PGND
INN
VIN
NC
OUTN
FBN
VNEG
AGND
CP
BSW
ENP
PSN
PSP
INP
ENN
VREF
CN
NC
OUTN
INN
NC No internal connection
TPS65130, TPS65131
SLVS493B – MARCH 2004 – REVISED SEPTEMBER 2004
ELECTRICAL CHARACTERISTICS (continued)
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
VIN
VIN = 3.6 V, IOUTP = IOUTN = 0,
300
500
A
Quiescent cur-
ENP = ENN = PSP = PSN =
VPOS
100
120
A
I(Q)
rent
VIN,
VNEG
100
120
A
VPOS = 8 V, VNEG = -5 V
ISD
Shutdown supply current
ENN = ENP = GND
0.2
1.5
A
Undervoltage lockout
VUVLO
2.1
2.35
2.7
V
threshold
Thermal shutdown
150
°C
Thermal shutdown hyster-
Junction temperature de-
5
°C
esis
creasing
HTTSOP PowerPAD
(TOP VIEW)
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
INP
1, 24
I
Boost converter switch input.
INN
5, 6
I
Inverting converter switch input
PGND
2, 3
Power ground pin
AGND
19
Analog ground pin
ENN
10
I
Enable pin for the negative output voltage (0 V: disabled, VIN: enabled)
ENP
8
I
Enable pin for the positive output voltage (0 V: disabled, VIN: enabled)
FBN
16
I
Feedback pin for the negative output voltage divider
FBP
22
I
Feedback pin for the positive output voltage divider
OUTN
13, 14
O
Inverting converter switch output.
VREF
17
O
Reference output voltage. Bypass this pin with a 220-nF capacitor to ground. Connect the lower resistor of the
negative output voltage divider to this pin
CP
21
Compensation pin for boost converter control
CN
18
Compensation pin for inverting converter control
VIN
4
I
Control supply input
VPOS
23
I
Positive output voltage sense input
VNEG
15
I
Negative output voltage sense input
4
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