參數(shù)資料
型號: LLT3837EFE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, PLASTIC, TSSOP-16
文件頁數(shù): 27/28頁
文件大小: 255K
代理商: LLT3837EFE
LT3837
8
3837fa
BLOCK DIAGRAM
11
SENSE
12
SENSE+
CCMP
VCC
3V
TO FB
PGATE
SGATE
CURRENT
SENSE AMP
RCMPF
50k
LOAD
COMPENSATION
+
+
+
+
+
+
VCC
2
UVLO
DISABLE
0.8V
10
OSC
7
tON
3
PGDLY
15
ENDLY
4
SYNC
5
1.25V
REFERENCE
(VFB)
INTERNAL
REGULATOR
UVLO
3V
1.25V
COLLAPSE DETECT
ERROR AMP
CLAMPS
0.7
1.3
+
S
R
Q
1V
8
FB
9
VC
6
SFST
TSD
CURRENT TRIP
SLOPE COMPENSATION
CURRENT
COMPARATOR
LOGIC
BLOCK
+
+
13
RCMP
GATE DRIVE
14
PG
16
SG
1
GND
17
OSCILLATOR
SET
ENABLE
VCC
GATE DRIVE
+
OVERCURRENT
FAULT
3837 BD
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