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参数资料
| 型号： | LT1616ES6#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 3.3V/5V 0.6A SOT23-6 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V，5V |
| 输入电压： | 3.6 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.4MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 其它名称： | LT1616ES6#TRMDKR |
LT1616
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
Input Voltage (V IN ) ................................................. 25V
BOOST Pin Voltage ................................................. 35V
ORDER PART
NUMBER
BOOST Pin Above SW Pin ...................................... 25V
SHDN Pin ............................................................... 25V
BOOST 1
TOP VIEW
6 SW
LT1616ES6
FB Voltage ................................................................ 6V
Current Into FB Pin ............................................... ± 1mA
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Maximum Junction Temperature .......................... 125 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
GND 2 5 V IN
FB 3 4 SHDN
S6 PACKAGE
6-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, θ JA = 250 ° C/ W
S6 PART MARKING
LTNB
Consult factory for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at T A = 25 ° C.
V IN = 10V, V BOOST = 15V, unless otherwise noted. (Note 2)
PARAMETER
Undervoltage Lockout
Feedback Voltage
CONDITIONS
q
MIN
1.225
TYP
3.35
1.25
MAX
3.6
1.275
UNITS
V
V
FB Pin Bias Current
Quiescent Current
Quiescent Current in Shutdown
Reference Line Regulation
V FB = Measured V REF + 10mV
Not Switching
V SHDN = 0V
V IN = 5V to 25V
q
150
1.9
0.01
0.005
600
2.5
2
nA
mA
μ A
%/V
Switching Frequency
V FB = 1.1V
q
1
1.4
1.8
MHz
Frequency Shift Threshold on FB Pin
f SW = 700kHz
0.44
V
Maximum Duty Cycle
Switch Current Limit
(Note 3)
q
80
630
87
850
%
mA
Switch V CESAT
Switch Leakage Current
Minimum Boost Voltage Above Switch
BOOST Pin Current
I SW = 300mA
I SW = 300mA
I SW = 300mA
220
1.6
7
350
10
2.5
12
mV
μ A
V
mA
SHDN Input Voltage High
SHDN Input Voltage Low
1.8
0.4
V
V
SHDN Bias Current
V SHDN = 3V
V SHDN = 0V
8
0.01
15
0.1
μ A
μ A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: The LT1616E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the –40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
2
Note 3: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
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