參數(shù)資料
型號: TPS61090RSA
廠商: Texas Instruments, Inc.
英文描述: SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH
中文描述: 同步升壓轉(zhuǎn)換器具有2A開關(guān)
文件頁數(shù): 4/19頁
文件大?。?/td> 457K
代理商: TPS61090RSA
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
Anti-
Ringing
Gate
Control
PGND
Regulator
PGND
Control Logic
Oscillator
Temperature
Control
VOUT
PGND
FB
SW
VBAT
EN
SYNC
GND
LBI
LBO
_
+
100 k
10 pF
_
+
V
REF
= 0.5 V
GND
Error Amplifier
_
+
_
+
GND
V
REF
= 0.5 V
Low Battery Comparator
TPS61090
TPS61091, TPS61092
SLVS484A–JUNE 2003–REVISED APRIL 2004
Pin Assignments (continued)
Terminal Functions (continued)
TERMINAL
I/O
DESCRIPTION
NAME
NO.
13
9
12
2
10
GND
LBI
LBO
NC
SYNC
I/O
I
O
Control/logic ground
Low battery comparator input (comparator enabled with EN)
Low battery comparator output (open drain)
Not connected
Enable/disable power save mode (1: VBAT disabled, 0: GND enabled, clock signal for
synchronization)
Boost and rectifying switch input
Power ground
Supply voltage
DC/DC output
Must be soldered to achieve appropriate power dissipation. Should be connected to PGND.
I
SW
PGND
VBAT
VOUT
3, 4
5, 6, 7
8
1, 15, 16
I
I/O
I
O
PowerPAD
4
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