参数资料
型号: TPS65145RGERG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.56 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PQCC24
封装: GREEN, PLASTIC, QFN-24
文件页数: 29/31页
文件大小: 1391K
代理商: TPS65145RGERG4
www.ti.com
1.6-MHz
Oscillator
D
S
VFB
1.146 V
Comparator
VFB
1.146 V
D
S
D
S
Vref
1.213 V
Vin
~1 V
D
S
SUP
D
S
D
S
SUP
C1
C1+
Vo3
C2+
C2
D
S
Vref
1.214 V
Soft Start
Vref
1.213 V
SUP
ENR
BASE
FB4
REF
FB2
DRV
COMP
FB1
VIN
SW
FB3
PG
GND
PGND
Q1
Q3
Q4
Q5
Q6
Q7
D
S
D
S
Q8
Q9
Q10
SUP
EN
Linear
Regulator
Controller
Reference
Output
Negative
Charge Pump
Positive
Charge Pump
Main boost
converter
Vref
0 V
Current
Control
D1
D4
D2
D3
FB1
FB2
FB3
D
S
Q2
SUP
Vref
1.213 V
FB1
FB2
FB3
System Power
Good
Bias Vref = 1.213 V
Thermal Shutdown
StartUp Sequencing
Undervoltage Detection
Overvoltage Detection
Short Circuit Protection
Current Limit
and
Soft Start
Control Logic
Gate Drive Circuit
Gain Select
(Doubler or
Tripler Mode)
Current
Control
Soft Start
Logic and
1-
s Glitch
Filter
D
S
Short Circuit
Detect
Soft Start
Iref = 20 mA
GM Amplifier
Low Gain
SUP
(VO)
Sawtooth
Generator
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
FUNCTIONAL BLOCK DIAGRAM
7
相关PDF资料
PDF描述
TPS65145PWPRG4 1.56 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
TPS65140PWPR 2.6 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
TPS65140PWPG4 2.6 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
TPS65160PWPG4 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO28
TPS65160PWPR 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO28
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