参数资料
型号: LTC3634IUFD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 5.5 A DUAL SWITCHING CONTROLLER, 4600 kHz SWITCHING FREQ-MAX, PQCC28
封装: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件页数: 28/28页
文件大小: 359K
代理商: LTC3634IUFD#TRPBF
LTC3634
9
3634f
block DiagraM
3634 BD
+
SWITCH
LOGIC
AND
ANTI-
SHOOT
THROUGH
R
S
3V
BOOST
M1
M2
SW
PGND
150k
Q
+
tON =
VVON
ION
CONTROLLER
AV = 1
VIN
VON
ICMP
IREV
RUN
ION
ON
1.22V
OSC1
CHANNEL 1
CHANNEL 2 (SAME AS CHANNEL 1)
+
INTVCC
RUN
+
0.552V
TRACKSS
MODE/SYNC
VDDQIN
INTVCC
+
+
+
0.6V
REF
0.648V
OV
EA
UV
1.4A
INTERNAL
SOFT-START
INTERNAL
SOFT-START
INTVCC
+
+
OV
UV
MODE
SELECT
3.3V
REG
IDEAL DIODES
PVIN1
BURST
FC
VFB1
OSC
PLL-SYNC
0.48V AT START-UP
0.10V AFTER START-UP
VDDQIN 0.54
VDDQIN 0.46
OSC
OSC1
OSC2
PHASE
SELECT
+
+
VTTR
VFB2
ITH2
PGOOD2
PGOOD1
ITH1
PHMODE
RT
CBOOST
L1
COUT
CIN
R2
R1
CSS
CVCC
CC2
RC2
CC1
RC1
RRT
TG
BG
SENSE
SENSE+
EA
VDDQIN 0.5
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