參數(shù)資料
型號(hào): TPS61120
廠商: Texas Instruments, Inc.
英文描述: SYNCHRONOUS BOOST CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO
中文描述: 同步升壓轉(zhuǎn)換器與1.1A的開(kāi)關(guān)和集成穩(wěn)壓器
文件頁(yè)數(shù): 4/25頁(yè)
文件大?。?/td> 462K
代理商: TPS61120
www.ti.com
PIN ASSIGNMENTS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SWP
SWN
PGND
VBAT
LBI
SKIPEN
EN
LDOEN
VOUT
FB
PGOOD
LBO
GND
LDOSENSE
LDOOUT
LDOIN
PW PACKAGE
(TOP VIEW)
VBAT
LBI
SKIPEN
LDOSENSE
PGOOD
LBO
PGND
GND
E
L
L
L
S
S
V
F
RSA PACKAGE
(TOP VIEW)
TPS61120
TPS61122, TPS61121
SLVS427C–JUNE 2002–REVISED APRIL 2004
CONTROL STAGE
Power-Good threshold
Power-Good delay
Power-Good output low voltage
Power-Good output low current
Power-Good output leakage
current
Over-Temperature protection
Over-Temperature hysteresis
V
O
= 3.3 V
0.9xV
o
0.92xV
o
0.95xV
o
V
μs
V
μA
μA
30
V
O
= 3.3 V, I
OI
= 100 μA
0.04
100
0.01
0.4
V
PG
= 7 V
0.1
140
20
°
C
°
C
Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
PW
7
15
12
5
13
8
10
9
11
RSA
5
13
10
3
11
6
8
7
9
EN
FB
GND
LBI
LBO
LDOEN
LDOOUT
LDOIN
LDOSENSE
I
I
DC/DC-enable input. (1/VBAT enabled, 0/GND disabled)
DC/DC voltage feedback of adjustable versions
Control/logic ground
Low battery comparator input (comparator enabled with EN)
Low battery comparator output (open drain)
LDO-enable input (1/LDOIN enabled, 0/GND disabled)
LDO output
LDO input
LDO feedback for voltage adjustment, must be connected to LDOOUT
at fixed output voltage versions
DC/DC rectifying switch input
Power ground
DC/DC output power good (1 : good, 0 : failure) (open drain)
Enable/disable power save mode (1: VBAT enabled, 0: GND disabled)
DC/DC switch input
Supply pin
DC/DC output
Must be soldered to achieve appropriate power dissipation. Should be
connected to PGND.
I/O
I
O
I
O
I
I
SWP
PGND
PGOOD
SKIPEN
SWN
VBAT
VOUT
PowerPAD
TM
1
3
14
6
2
4
16
15
1
12
4
16
2
14
I
I/O
O
I
I
I
O
4
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TPS61120PWR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj Hi-Eff Boost Cnvrtr w/200mA LDO RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS61120PWRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj Hi-Eff Boost Cnvrtr w/200mA LDO RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5