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参数资料
| 型号： | LTC3416EFE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 20TSSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-TSSOP-EP |
LTC3416
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
Input Supply Voltage .................................. – 0.3V to 6V
TOP VIEW
ORDER PART
I TH , RUN, V FB Voltages .............................. – 0.3V to V IN
TRACK Voltage .......................................... – 0.3V to V IN
SW Voltage .................................. – 0.3V to (V IN + 0.3V)
PGND
R T
TRACK
1
2
3
20 PGND
19 V FB
18 I TH
NUMBER
LTC3416EFE
Operating Ambient Temperature Range
(Note 2) .................................................. – 40 ° C to 85 ° C
Junction Temperature (Notes 5, 6) ...................... 125 ° C
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
RUN/SS
SGND
NC
PV IN
SW
SW
4
5
6
7
8
9
21
17 PGOOD
16 SV IN
15 NC
14 PV IN
13 SW
12 SW
PGND 10
11 PGND
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 125 ° C, θ JA = 38 ° C/W, θ JC = 10 ° C/W
EXPOSED PAD IS GND (PIN 21)
MUST BE SOLDERED TO PCB
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 3.3V, unless otherwise noted.
SYMBOL
V IN
PARAMETER
Input Voltage Range
CONDITIONS
MIN
2.25
TYP
MAX
5.5
UNITS
V
V FB
Regulated Feedback Voltage
(Note 3)
●
0.784
0.800
0.816
V
I FB
I TRACK
Feedback Input Current
TRACK Input Current
0.2
0.2
μ A
μ A
? V FB
V TRACK
V LOADREG
? V PGOOD
R PGOOD
I Q
Reference Voltage Line Regulation
Tracking Voltage Offset
Tracking Voltage Range
Output Voltage Load Regulation
Power Good Range
Power Good Resistance
Input DC Bias Current
Active Current
Shutdown
V IN = 2.5V to 5.5V (Note 3)
V TRACK = 0.4V
Measured in Servo Loop, V ITH = 0.36V
Measured in Servo Loop, V ITH = 0.84V
(Note 4)
V FB = 0.7V, V ITH = 1.2V
V RUN = 0V
0
0.04
0.02
–0.02
± 7.5
120
300
0.02
0.2
30
0.8
0.2
–0.2
± 9
200
350
1
%/V
mV
V
%
%
%
?
μ A
μ A
f OSC
R PFET
R NFET
I LIMIT
Switching Frequency
Switching Frequency Range
R DS(ON) of P-Channel FET
R DS(ON) of N-Channel FET
Peak Current Limit
R OSC = 294k ?
(Note 4)
I SW = 300mA
I SW = –300mA
0.88
0.30
6
1
67
50
8
1.12
4.00
100
100
MHz
MHz
m ?
m ?
A
V UVLO
I LSW
V RUN
Undervoltage Lockout Threshold
SW Leakage Current
RUN Threshold
V RUN = 0V, V IN = 5.5V
1.75
0.5
2
0.1
0.65
2.25
1
0.8
V
μ A
V
3416fa
2
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