參數(shù)資料
型號: LTC3554EUD-2#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件頁數(shù): 2/36頁
文件大?。?/td> 418K
代理商: LTC3554EUD-2#TRPBF
LTC3554/LTC3554-2
10
35542fb
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise specied.
Step-Down Switching
Regulator Output Transient
(STBY High to Low)
Step-Down Switching
Regulator Output Transient
(FSEL Low to High)
VOUT1 = 3.3V
IOUT1 = 100mA
VOUT2 = 1.2V
IOUT2 = 50mA
STBY = L
VOUT2
20mV/DIV
(AC)
VOUT1
50mV/DIV
(AC)
FSEL
3554 G29
50μs/DIV
VOUT1 = 3.3V
IOUT1 = 5mA
VOUT2 = 1.2V
IOUT2 = 5mA
VOUT2
20mV/DIV
(AC)
VOUT1
20mV/DIV
(AC)
STBY
3554 G30
50μs/DIV
Step-Down Switching Regulator
Dropout Voltage in Standby Mode
vs Load Current
LOAD CURRENT (mA)
02
6
14
12
10
8
4
0
DROPOUT
VOL
TAGE
(mA)
20
40
100
200
160
180
140
120
80
60
3554 G23
VBVIN = 2.9V
VFBx = 780mV
STBY = H
–45°C
25°C
90°C
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