参数资料
型号: LTC3109EGN#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.026 A SWITCHING REGULATOR, PDSO20
封装: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-20
文件页数: 20/24页
文件大小: 329K
代理商: LTC3109EGN#PBF
LTC3109
3109f
Typical perForMance characTerisTics
Resonant Switching Waveforms
LDO Load Regulation
LDO Dropout Voltage
Start-Up Voltage Sequencing
VOUT and PGOOD Response
During a Step Load
VOUT Ripple
VOUT and VLDO vs Temperature
VAUX Clamp Voltage
vs Shunt Current
PVOUT vs dT and TEG Size,
1:100 Ratio, VOUT = 5V
TA = 25°C, unless otherwise noted.
TEMPERATURE (°C)
–50
CHANGE
(%)
(RELATIVE
TO
25°C)
0.75
25
3109 G06
0
–0.50
–25
0
50
–0.75
–1.00
1.00
0.50
0.25
–0.25
75
100 125
VLDO
VOUT
VAUX SHUNT CURRENT (mA)
0
VAUX
(V)
5.3
5.4
5.5
12
3109 G07
5.2
5.1
5.0
3
6
9
15
dT (°K)
0
P VOUT
(mW)
1.0
2.0
3.0
0.5
1.5
2.5
2
4
6
8
3109 G08
10
1
0
3
5
7
9
FERROTEC 9500/127/100B
40mm
FERROTEC 9501/071/040B
22mm
20s/DIV
C1 A OR B
2V/DIV
C2 A OR B
2V/DIV
3109 G9
LDO LOAD (mA)
0
–1.00
DROP
IN
VLDO
(%)
–0.75
–0.50
0.5
1
1.5
2
3
2.5
3.5
–0.25
0.00
4
3109 G10
LDO LOAD (mA)
0
0.00
DROPOUT
VOLTAGE
(V)
0.04
0.08
0.12
0.5
1
1.5
2
3
2.5
3.5
0.16
0.20
0.02
0.06
0.10
0.14
0.18
4
3109 G11
10SEC/DIV
3109 G12
CH1
VSTORE
1V/DIV
CH2, VOUT
1V/DIV
CH3, VLDO
1V/DIV
VIN = 50mV
1:100 RATIO TRANSFORMER
COUT = 220F
CSTORE = 470F
CLDO = 2.2F
5ms/DIV
3109 G13
CH2
VOUT
1V/DIV
CH1
PGD
1V/DIV
50mA LOAD STEP
COUT = 220F
100ms/DIV
3109 G14
20mV/
DIV
30A LOAD
COUT = 220F
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