參數(shù)資料
型號(hào): TPS62112RSATG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2.4 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PQCC16
封裝: GREEN, PLASTIC, QFN-16
文件頁數(shù): 11/28頁
文件大小: 842K
代理商: TPS62112RSATG4
APPLICATION INFORMATION
SYNC
GND
PGND
SW
R1
220kW
R2
390kW
VO =1.8V
6.8 H
m
C =2x22 F
6.3V
(SeeNote A)
O
m
VIN
LBI
C =10 F
25V
I
m
1 F
m
2
3
4
8
9
7
5
11
12
16
10
6
13
14
15
1
V =3.5Vto17V
I
VIN
EN
VINA
PGND
GND PwPD
R5
R6
AGND
TPS62110
SW
LBO
PG
R3
1MW
R4
1MW
FB
Cff
10pF
O
FB
V
R1
R2
V
R1
R2
V
+
=
=
-
÷
è
(7)
SYNC
GND
PGND
SW
V
O
=5V
6.8
H
m
C
=22
F
10V
O
m
VIN
LBI
C =10
F
25V
I
m
1
F
m
2
3
4
8
9
7
5
11
12
16
10
6
13
14
15
1
V =5.5Vto17V
I
VIN
EN
VINA
PGND
GND PwPD
AGND
TPS62112
SW
LBO
PG
1MW
FB
www.ti.com .................................................................................................................................................... SLVS585A – JULY 2005 – REVISED FEBRUARY 2009
A.
For an output voltage lower than 2.5 V, an output capacitor of 33
F or greater is recommended to improve load
transient.
Figure 20. Standard Connection for Adjustable Version
VFB = 1.153 V
Table 4. Recommended Resistors
OUTPUT VOLTAGE
R1
R2
NOMINAL VOLTAGE
TYPICAL Cff
9 V
680 k
100 k
8.993 V
22 pF
5 V
510 k
150 k
5.073 V
10 pF
3.3 V
560 k
300 k
3.305 V
10 pF
2.5 V
390 k
330 k
2.515 V
10 pF
1.8 V
220 k
390 k
1.803 V
10 pF
1.5 V
100 k
330 k
1.502 V
10 pF
Figure 21. Standard Connection for Fixed-Voltage Version
Copyright 2005–2009, Texas Instruments Incorporated
19
Product Folder Link(s): TPS62110 TPS62111 TPS62112 TPS62113
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