參數(shù)資料
型號(hào): LTC3526BEDC
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING CONTROLLER, 1300 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6
文件頁(yè)數(shù): 12/16頁(yè)
文件大小: 731K
代理商: LTC3526BEDC
LTC3526/LTC3526B
5
3526a
VFB vs Temperature
Start-Up Voltage vs Temperature
Fixed Frequency Switching
Waveform and VOUT Ripple
Burst Mode Waveforms
VOUT and IIN During Soft-Start
Burst Mode Current vs VOUT
TEMPERATURE (
°C)
–60
–1.00
CHANGE
IN
V FB
(%)
–0.75
–0.50
–0.25
0
–20
20
60
100
3526 G13
0.25
0.50
–40
0
40
80
NORMALIZED TO 25
°C
–50 –30 –10
10
30
–50
70
90
TEMPERATURE (
°C)
V IN
(V) 0.85
0.90
0.95
0.75
0.70
1.00
0.80
LOAD = 1mA
VOUT (V)
1.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
3.0
4.0
4.5
3526 G15
2.0
2.5
3.5
5.0
I Q
(
A)
SW PIN
2V/DIV
500ns/DIV
VIN = 1.2V
VOUT = 3.3V AT 100mA
COUT = 10F
3526 G16
VOUT
10mV/DIV
AC COUPLED
SW PIN
2V/DIV
INDUCTOR
CURRENT
0.2A/DIV
10 s/DIV
VIN = 1.2V
VOUT = 3.3V
COUT = 10 F
3526 G17
VOUT
20mV/DIV
AC COUPLED
SHDN PIN
1V/DIV
INPUT
CURRENT
0.2A/DIV
200
s/DIV
VOUT = 3.3V
COUT = 10F
3526 G18
VOUT
1V/DIV
Load Step Response (from Burst
Mode Operation)
LOAD
CURRENT
50mA/DIV
100
s/DIV
VIN = 3.6V
VOUT = 5V
20mA TO 170mA STEP
COUT = 10F
3526 G19
VOUT
100mV/DIV
AC COUPLED
Load Step Response
(Fixed Frequency)
LOAD
CURRENT
50mA/DIV
100
s/DIV
VIN = 3.6V
VOUT = 5V
50mA TO 150mA STEP
COUT = 10F
3526 G20
VOUT
100mV/DIV
AC COUPLED
TYPICAL PERFOR A CE CHARACTERISTICS
U
W
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