参数资料
型号: LTC4361CDC-2#TRMPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: 2 X 2 MM, LEAD FREE, PLASTIC, DFN-8
文件页数: 11/16页
文件大小: 327K
代理商: LTC4361CDC-2#TRMPBF
LTC4361-1/LTC4361-2
4
436112fa
TYPICAL PERFORMANCE CHARACTERISTICS
PWRGD Voltage
vs PWRGD Current
GATE Off Propagation Delay
vs Overdrive
Normal Start-Up Sequence
GATE Slow Ramp-Up
Entering Sleep Mode
Input Supply Current
vs Input Voltage
GATE Drive vs GATE Current
GATE Fast Pull-Down Current
vs Temperature
VIN (V)
1
0.1
I IN
(μA)
1
100
1000
10000
100
436112 G01
10
VON = 0V
VON = 2.5V
IGATE (μA)
0
V
GATE
(V)
4
3
2
1
6
7
8
4
8
10
12
436112 G02
5
26
VIN = 5V
VIN = 3V
VIN = 2.5V
TEMPERATURE (°C)
–50
20
I GATE(FST)
(mA)
25
30
35
40
–25
0
25
VIN = 6V
VGATE = 9V
50
436112 G03
75
100
IPWRGD (mA)
0
V
PWRGD
(OL)
(mV)
200
100
300
400
500
1234
436112 G04
5
VOVDRV (V)
0
t OFF
(μs)
2
1
4
0.5
1
1.5
436112 G05
2
6
8
3
5
7
2.5
VIN = STEP 5V TO (VIN(OV) + VOVDRV)
VIN
5V/DIV
VGATE
10V/DIV
VOUT
5V/DIV
ICABLE
0.5A/DIV
20ms/DIV
436112 G07
FIGURE 5 CIRCUIT
RIN = 150mΩ, LIN = 0.7μH
RSENSE = 25mΩ
LOAD = 10Ω, COUT = 10μF
VIN
5V/DIV
VGATE
10V/DIV
VOUT
5V/DIV
ICABLE
0.5A/DIV
1ms/DIV
436112 G08
FIGURE 5 CIRCUIT
RIN = 150mΩ, LIN = 0.7μH
RSENSE = 25mΩ
LOAD = 10Ω, COUT = 10μF
VON
5V/DIV
VGATE
10V/DIV
VOUT
5V/DIV
ICABLE
0.5A/DIV
50μs/DIV
436112 G09
FIGURE 5 CIRCUIT
RIN = 150mΩ, LIN = 0.7μH
RSENSE = 25mΩ
LOAD = 10Ω, COUT = 10μF
TA = 25°C, VIN = 5V, VON = 0V, unless otherwise noted.
VIN (V)
2.5
4
V
GATE
/V
G
GATE(TH)
(V)
6
5
8
3.5
4
3
5
4.5
436112 G06
5.5
10
12
7
9
11
6
VGATE
VGATE(TH)
VIN = VOUT
GATE Voltage and GATE High
Threshold (for PWRGD Status)
vs Input Voltage
相关PDF资料
PDF描述
LTC4361IDC-2#TRMPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
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