參數(shù)資料
型號(hào): LTC4269IDKD-2#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 560 kHz SWITCHING FREQ-MAX, PDSO32
封裝: 7 X 4 MM, PLASTIC, M0-229, DFN-32
文件頁(yè)數(shù): 4/34頁(yè)
文件大小: 383K
代理商: LTC4269IDKD-2#TR
LTC4269-2
42692fb
block DiagraMs
VREF
>90%
+
+
+
+
SOURCE
2.5mA
2.5V
1.23V
(100 TO 500)kHz
OSC
(TYPICAL 200kHz)
IHYST
10A SD_VSEC = 1.32V
0A SD_VSEC > 1.32V
15
13
22
21
14
11
12
18
16
9
17
10
SD_VSEC
ROSC
SYNC
33
EXPOSED PAD
1.32V
1.23V
ADAPTIVE
MAXIMUM
DUTY CYCLE
CLAMP
(LINEAR)
SLOPE COMP
8A 0% DC
35A 80% DC
RAMP
S
Q
R
Q
S
BLANK
FB
COMP
GND
BLANK
20
DELAY
VREF
23
VIN
SS_MAXDC
SOFT-START CONTROL
OVER
CURRENT
SENSE
CURRENT
OUT
24 SOUT
PGND
ISENSE
19 OC
DRIVER
1A
50mA
12V
13V
0.45V
42692 BD2
+
+
(VOLTAGE)
ERROR AMPLIFIER
107mV
0mV TO 220mV
ON
DELAY
VINON
VINOFF
START-UP
INPUT CURRENT (ISTART)
+
BOLD LINE INDICATES
HIGH CURRENT PATH
32
T2P 2
RCLASS 3
SHDN
PWRGD
VPORTP
1
29
PWRGD
28
VNEG
27
VNEG
26
42692 BD1
CONTROL
CIRCUITS
CLASSIFICATION
CURRENT LOAD
REF
+
25k
16k
VPORTN 6
VPORTN 5
EN
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