参数资料
型号: LTC3528EDDB#TRM
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO8
封装: 3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WECD-1, DFN-8
文件页数: 14/16页
文件大小: 316K
代理商: LTC3528EDDB#TRM
LTC3528/LTC3528B
7
3528f
BLOCK DIAGRAM
8
Σ
+
+
GATE DRIVERS
AND
ANTI-CROSS
CONDUCTION
LOGIC
CLK
UVLO
PK
COMP
SLOPE
COMP
IZERO
COMP
ERROR AMP
SLEEP COMP
IZERO
WAKE
EXPOSED
PAD
+
WELL
SWITCH
MODE
CONTROL
(LTC3528)
UVLO
VREF
4M
SHDN
VBEST
START-UP
1MHz
OSC
TSD
THERMAL
SHUTDOWN
ANTI-RING
VSEL
VIN
5
4
SW
VOUT
L1
4.7
μH
VB
SHUTDOWN
CLAMP
BURST
SOFT-START
VREF
+
VREF – 10%
FB
VOUT
2
9
SGND
3528 BD
7
PGND
6
FB
R2
COUT
10
μF
VOUT
1.6V
TO 5.25V
R1
1
PGOOD
3
CIN
4.7
μF
VIN
0.7V
TO 5V
VIN (Pin 8): Battery Input Voltage. Connect a minimum
of 1μF ceramic decoupling capacitor from this pin to
ground.
Exposed Pad (Pin 9): The Exposed Pad must be soldered
to the PCB ground plane. It serves as another ground
connection and as a means of conducting heat away
from the die.
PIN FUNCTIONS
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