參數(shù)資料
型號: TPS51511RHLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PQCC20
封裝: ROHS COMPLIANT, PLASTIC, QFN-20
文件頁數(shù): 3/29頁
文件大?。?/td> 1019K
代理商: TPS51511RHLT
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
+
PWM
+
OCP
ZC
+
1 shot
XCON
+
V5IN
VBST
DRVH
LL
DRVL
PGND
+
LL
Ref
VOSW
4V
+
0.75V
Ref
Delay
Looppath
control
VOSW
V5IN
VOSWOV
VOSWUV
VOSWOK
PGOOD
PGND
GND
V5IN
Ref
RefOK
V5INOK
1.25V
0.7V
Ref
3.7V/3.5V
+
LDO_ON
VLDO
GND
SW_ON
GND
1.36V
0.75V+5/10%
0.75V-5/10%
0.75V-30%
0.75V+15%
CS
COMP
VSWFB
OD
VOSW
ENSW
ENLDO
+
0.75V
VLDOFB
VLDO
VLDOIN
ODOFF
1.25V
0.716V
0.678V
Delay
45us
+
High(1)
S0
S1
SW_ON
LDO_ON
D
C
B
A
GND
S0
S1
OUT
0
A
0
1
B
1
0
C
1
D
V5IN
60/30mV
VOSWOK
10/5uA
VOSWOK
GND
1
0
OVP
UVP
PGOOD
LL
SLVS735A – FEBRUARY 2007 – REVISED APRIL 2007
11
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