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參數(shù)資料
| 型號： | TPS53311RGTR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1210 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大小： | 674K |
| 代理商： | TPS53311RGTR |
1
2
3
4
EN
SW
SYNC
SW
PGD
SW
VBST
PS
12
11
10
9
16
VDD
PGND
AGND
PGND
FB
VIN
COMP
VIN
15
14
13
5
6
7
8
TPS53311
RGT Package
(Top View)
SLUSA41A
– JUNE 2010 – REVISED MARCH 2011
PIN FUNCTIONS
PIN
I/O(1)
DESCRIPTION
NAME
NO.
AGND
11
G
Device analog ground terminal.
COMP
9
O
Error amplifier compensation terminal. Type III compensation method is recommended for stability.
EN
1
I
Enable. Internally pulled up to VDD with a 1.35-M
Ω resistor.
FB
10
I
Voltage feedback. Also used for OVP, UVP and PGD determination.
PGD
3
O
Power good output flag. Open drain output. Pull up to an external rail via a resistor.
15
PGND
P
IC power GND terminal.
16
Mode configuration pin (with 10
A current):
Connecting to ground: Forced CCM slave
Pulled high or floating (internal pulled high): Forced CCM master
PS
8
I
Connect with 24.3 k
Ω to GND: DE slave
Connect with 57.6 k
Ω to GND: HEF mode
Connect with 105 k
Ω to GND : reserved mode
Connect with 174 k
Ω to GND: DE master.
Synchronization signal for input interleaving. Master SYNC pin sends out 180
° out-of-phase signal to slave
SYNC
2
B
SYNC. SYNC frequency must be within
±20% of slave nominal frequency.
5
SW
6
B
Output inductor connection to integrated power devices.
7
VBST
4
P
Supply input for high-side MOSFET (bootstrap terminal). Connect capacitor from this pin to SW terminal.
VDD
12
P
Input bias supply for analog functions.
13
VIN
P
Gate driver supply and power conversion voltage.
14
(1)
I
– Input; B – Bidirectional; O – Output; G – Ground; P – Supply (or Ground)
6
Copyright
2010–2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS53311
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