3692 데이터 시트보기 (PDF) - Linear Technology
부품명
상세내역
제조사
3692 Datasheet PDF : 36 Pages
| |||
LT3692
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VVIN1/2 = 15V unless otherwise specified. (Note 3)
PARAMETER
Feedback Voltage Regulation
Feedback Voltage Offset Ch 1 to Ch 2
Feedback Bias Current Ch 1/2
TJ Output Voltage (Note 7)
TJ Error
Error Amp gm Ch 1/2
Error Amp Source Current Ch 1/2
Error Amp Sink Current Ch 1/2
Error Amp High Clamp Ch 1/2
Error Amp Switching Threshold Ch 1/2
Soft-Start Source Current Ch 1/2
Soft-Start VOH Ch 1/2
Soft-Start Sink Current Ch 1/2
Soft-Start VOL Ch 1/2
Soft-Start to Feedback Offset Ch 1/2
Soft-Start Sink Current Ch 1/2 POR
Soft-Start POR Threshold Ch 1/2
Soft-Start SW Disable Ch 1/2
CMPI Bias Current Ch 1/2
CMPO Leakage Ch 1/2
CMPI Threshold Ch 1/2
CMPI Threshold Ch 1/2 of VFB1/2
CMPI Hysteresis Ch 1/2
CMPO Sink Current Ch 1/2
RT/SYNC Reference Current
Minimum Switching Frequency
Switching Frequency
Maximum Switching Frequency
Switching Phase Angle Ch 1 ≥ Ch 2
DIV Reference Current
CH1 DIV 2 Threshold
CH1 DIV 4 Threshold
CH1 DIV 8 Threshold
CLKOUT VOL
CLKOUT VOH
CLKOUT to SW1ON Delay ( tDCLKOSW1)
CLKOUT to SW2ON Delay ( tDCLKOSW2)
CONDITIONS
VVIN1/2 = 3 to 40V, VVC1/2 = 0.6 to 1.6V
VVC1/2 = 1V
VFB1/2 = 0.8V, VVC1/2 = 1V
TJ = 25°C, ITJ = 25µA, Temperature = 25°C
ITJ = 25µA, Temperature = 125°C
ITJ = 25µA, Temperature = –40°C
VVC1/2 = 1V, IVC1/2 = ±5µA
VFB1/2 = 0.6V, VVC1/2 = 1V
VFB1/2 =1V, VVC1/2 = 1V
VFB1/2 = 0.6V
VFB1/2 = 0.6V
VFB1/2 = 0.9V, VSS1/2 = 0.05V
VFB1/2 = 0.9V
VFB1/2 = 0.4V, VSS1/2 = 2V
VFB1/2 = 0V
VVC1/2 = 1V, VSS1/2 = 0.4V
VFB1/2 = 0V, VSS1/2 = 0.12V (Note 8)
VFB1/2 = 0V (Note 8)
VFB1/2 = 0V (Note 8)
VCMPI1/2 = 0.8V
VCMP1/2 = 0.8V, VCMPO1/2 = 25V,
VCMPI1/2 Rising
VCMPI1/2 Rising (Note 9)
VCMPI1/2
VCMPI1/2 = 0.6V, VCMPO1/2 = 0.2V,
VFB1/2 = 0.9V, VRT/SYNC = 0.5V
RRT/SYNC =0Ω
RRT/SYNC = 28k
RRT/SYNC =100k
VFB1/2 = 0.9V, VDIV = 0.5V
RRT/SYNC = 0V
RRT/SYNC = 0V
RRT/SYNC = 0V
ICLKOUT = –100µA
ICLKOUT = 100µA
CLKOUT Rising
CLKOUT Falling
MIN
TYP
MAX
l 780
806
830
l –12
0
12
l
0
85
200
250
1.23
–380
l –60
0
60
350
400
450
19
25
31
22
28
34
1.7
1.9
2.1
0.75
0.9
1.05
l
9.5
12
14.5
1.9
2.15
2.4
0.9
1.4
2
120
160
200
l –12
0
12
150
400
600
70
90
120
95
115
150
–100
0
100
70
200
l 700
720
740
86
90
94
35
60
85
200
300
400
l 11.3
12
12.7
50
110
150
925
1
1075
2.25
2.5
2.75
185
l 10.5
12
13.5
0.51
0.58
0.61
0.9
1.05
1.1
1.45
1.55
0.25
2
60
30
UNITS
mV
mV
nA
mV
V
mV
mV
µMho
µA
µA
V
V
µA
V
mA
mV
mV
µA
mV
mV
nA
nA
mV
%
mV
µA
µA
kHz
MHz
MHz
Deg
µA
V
V
V
V
V
ns
ns
3692f
3
Share Link: 