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参数资料
| 型号： | LT3469ETS8#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC AMP DVR W/REG 1.3MHZ TSOT23-8 |
| 标准包装： | 500 |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道） |
| 电源电压： | 2.5 V ~ 16 V |
| 特点： | 差分输入 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | TSOT-23-8 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 包装： | 带卷 (TR) |
| 其它名称： | LT3469ETS8 LT3469ETS8-ND |
LT3469
2
3469f
VIN Voltage ............................................................. 16V
SW Voltage ............................................................. 40V
VCC Voltage............................................................. 38V
+IN, –IN Voltage ..................................................... 10V
FB Voltage ................................................................ 3V
Current Into SW Pin ................................................. 1A
Operating Temperature Range (Note 2) .. – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
ORDER PART
NUMBER
(Note 1)
ABSOLUTE
AXI U
RATI GS
W
WW
U
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LT3469ETS8
TJMAX = 125°C, θJA = 250°C/W
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2) VIN = 5V, VCC = 35V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
TS8 PART MARKING
LTACA
OUT 1
FB 2
VIN 3
GND 4
8 –IN
7 +IN
6 VCC
5 SW
TOP VIEW
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
gm Amplifier
Input Offset Voltage
VOUT = VCC/2
q
310
mV
Input Offset Current
q
10
100
nA
Input Bias Current
q
150
500
nA
Input Resistance—Differential Mode
1M
Input Resistance—Common Mode
200
M
Common Mode Rejection Ratio
VCM = 0V to 10V
70
100
dB
Power Supply Rejection Ratio—VIN
VIN = 2.5V to 16V
80
120
dB
Power Supply Rejection Ratio—VCC
VCC = 15V to 35V
65
85
dB
Gain
No Load, VOUT = 2V to 33V
15
30
V/mV
RL = 200k, VOUT = 2V to 33V
10
20
V/mV
Transconductance
IOUT = ±100A
160
220
260
A/mV
q
140
300
A/mV
Maximum Output Current
VOUT = VCC/2
±30
±40
±55
mA
q
±23
±58
mA
Maximum Output Voltage, Sourcing
VCC = 35V, IOUT = 10mA
34.0
34.5
V
VCC = 35V, IOUT = 0mA
34.5
34.9
V
Minimum Output Voltage, Sinking
IOUT = –10mA
200
1000
mV
IOUT = 0mA
10
500
mV
Output Resistance
VCC = 35V, VOUT = 2V to 33V
100
k
Supply Current—VCC
VCC = 35V
1.5
2
2.5
mA
Switching Regulator
Minimum Operating Voltage
2.5
V
Maximum Operating Voltage
16
V
Feedback Voltage
q
1.19
1.23
1.265
V
FB Pin Bias Current
q
45
200
nA
FB Line Regulation
2.5V < VIN < 16V
0.03
%/V
Supply Current—VIN
1.9
2.6
mA
Switching Frequency
q
0.8
1.3
1.7
MHz
Maximum Duty Cycle
q
88
91
%
Switch Current Limit (Note 3)
q
165
220
mA
Switch VCESAT
ISW = 100mA
350
500
mV
PACKAGE/ORDER I FOR ATIO
UU
W
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