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参数资料
| 型号： | LT8415IDDB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.03 A SWITCHING REGULATOR, PDSO12 |
| 封装： | 3 X 2 MM, LEAD FREE, PLASTIC, DFN-12 |
| 文件页数： | 6/12页 |
| 文件大小： | 182K |
| 代理商： | LT8415IDDB#PBF |
LT8415
3
8415f
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT8415 is guaranteed to meet performance specications
from 0°C to 125°C junction temperature. Specications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls.
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are TA = 25°C. VIN = 3.0V, VSHDN = VIN unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PMOS Disconnect Current Limit
14
19
25
mA
PMOS Disconnect VCAP - VOUT
IOUT = 1mA
50
mV
Internal Resistor Divider Ratio
l
31.6
31.85
32.2
FBP pin Bias Current
VFBP = 0.5V, Current Flows Out of Pin
l
1.3
30
nA
SHDN Minimum Input Voltage High
SHDN Rising
l
1.20
1.30
1.45
V
SHDN Input Voltage High hysteresis
60
mV
SHDN Hysteresis Current
(Note 3)
0.08
0.1
0.14
μA
SHDN Input Voltage Low
0.3
V
SHDN Pin Bias Current
VSHDN = 3V
VSHDN = 16V
0
2
1
3
μA
IN1,IN2 Minimum Input Voltage High
l
1.1
V
IN1,IN2 Input Voltage Low
l
0.3
V
OUT1,OUT2 Rise Time
VOUT = 34V, CLOAD = 200pF (Note 5)
2.5
μs
OUT1,OUT2 Fall Time
VOUT = 34V, CLOAD = 200pF (Note 5)
3
μs
OUT1,OUT2 Rise Delay
VOUT = 34V, CLOAD = 200pF (Note 5)
4
μs
OUT1,OUT2 Fall Delay
VOUT = 34V, CLOAD = 200pF (Note 5)
2
μs
Half-bridge PMOS Voltage Drop VOUT – VOUT1,OUT2 IN1,IN2 = 2V, 0.1mA Load From OUT1,OUT2
70
mV
Half-bridge NMOS Voltage Drop VOUT1,OUT2
IN1,IN2 = 0V, 0.1mA Current Into OUT1,OUT2
85
mV
Note 3: See applications section for more information.
Note 4: Start-Up mode occurs when VOUT is less than VFBP*64/3.
Note 5: See Timing Diagram. Rise times are measured from 4V to 30V and
fall times are measured from 30V to 4V. Delay times are measured from
the IN1,IN2 transition to when the OUT1,OUT2 voltage has risen to 4V or
decreased to 30V.
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise noted.
LOAD CURRENT (mA)
0
SWITCHING
FREQUENCY
(kHz)
1000
800
600
200
400
0
8415 G01
3
2
1
VCC = 3.6V
VOUT = 16V
FIGURE 4 CIRCUIT
LOAD CURRENT (mA)
0
OUTPUT
VOL
TAGE
CHANGE
(%)
0.6
0.4
0.2
0
– 0.4
– 0.2
– 0.6
8415 G02
3
2
1
VCC = 3.6V
VOUT = 16V
FIGURE 4 CIRCUIT
FBP VOLTAGE (V)
0
OUTPUT
VOL
TAGE
(V)
50
40
30
10
20
0
8415 G03
2
1
1.5
0.5
Switching Frequency
vs Load Current
Load Regulation
Vout vs FBP Voltage
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