參數(shù)資料
型號: TPS62050DGSG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.4 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數(shù): 22/25頁
文件大?。?/td> 602K
代理商: TPS62050DGSG4
www.ti.com
Undervoltage
Lockout
Bias Supply
_
+
REF
Current Limit Comparator
+
REF
I(AVG) Comparator
P-Channel
Power MOSFET
N-Channel
Power MOSFET
Driver
Shoot-Through
Logic
+
Load Comparator
Control
Logic
+
1.21 V
Soft Start
850 kHz
Oscillator
+
S
R
Comparator High
Comparator Low
Comparator High2
+
Compensation
R2
See Note
R1
VREF = 0.5 V
Comparator Low
Comparator Low2
Comparator High
Saw Tooth
Generator
V
I
V(COMP)
Comparator
SW
PG
LBO
GND
PGND
LBI
FB
VI
EN
SKIP Comparator
Error Amp
SYNC
TPS62050, TPS62051
TPS62052, TPS62054, TPS62056
SLVS432D – SEPTEMBER 2002 – REVISED OCTOBER 2003
FUNCTIONAL BLOCK DIAGRAM
NOTE: For the adjustable versions (TPS62050, TPS62051), the internal feedback driver is disabled and the FB pin is
directly connected to the GM amplifier.
6
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