參數(shù)資料
型號: LTC4001-1EUF#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
封裝: 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGC, QFN-16
文件頁數(shù): 15/20頁
文件大?。?/td> 227K
代理商: LTC4001-1EUF#TRPBF
4
LTC4001-1
40011f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Oscillator Frequency vs VIN
Oscillator Frequency
vs Temperature
Dissipation of Figure 8 Circuit
vs IBAT
PROG Pin Characteristic
(VPROG vs IPROG)
Dissipation of Figure 8 Circuit
vs VIN
Trickle Charge Current vs VBAT
VFLOAT and Recharge Battery
Threshold Voltage vs Temperature
Output Charging Characteristic
Showing Constant Current and
Constant Voltage Operation
(TA = 25°C unless otherwise noted)
VIN (V)
3
PERCENT
VARIATION
(%)
–0.25
0
0.25
4.5
5.5
40011 G01
–0.50
–0.75
–1.00
3.5
4
5
0.50
0.75
1.00
6
VBAT = 3.2V
VSS = 1V
IPROG (mA)
0
0.8
1.0
15
40011 G05
0.6
0.4
510
20
0.2
0
1.2
V
PROG
(V)
VIN = 5V
VBAT = 3.2V
VBAT = 4V
VBAT = 3.5V
VBAT = 3.7V
VBAT (V)
0
I BAT
(A)
0.5
1.0
1.5
2.0
0.5
1
1.5
2
40011 G06
2.5
3
3.5
4
VBAT (V)
0
40
I BAT
(mA)
45
50
55
0.5
1
1.5
2
40011 G07
2.5
3
VIN = 5.5V
VIN = 5V
VIN = 4V
VIN = 4.5V
TEMPERATURE (
°C)
–50
FREQUENCY
VARIATION
FROM
25
°C
(%)
0.4
0.6
0.8
110
40011 G02
0.2
0
–0.2
–30 –10 10 30 50 70 90
130 150
VIN = 5V
VBAT = 3.2V
VSS = 1V
IBAT (mA)
500
TOTAL
APPLICATION
CIRCUIT
POWER
DISSIPATION
(W)
0.50
0.75
40011 G03
0.25
0
1000
1500
2000
1.25
1.00
VIN = 5V
VBAT = 4V
VIN (V)
4.25
1.0
1.2
1.4
5.25
40011 G04
0.8
0.6
4.5
4.75
5
5.5
0.4
0.2
0
TOTAL
APPLICATION
CIRCUIT
POWER
DISSIPATION
(W)
IBAT = 2A
VBAT = 4V
IBAT = 1.5A
IBAT = 1A
IBAT = 500mA
TEMPERATURE (
°C)
3.9
FLOAT
AND
RECHARGE
VOLTAGES
(V)
4.0
4.1
4.2
–10
30
70
110
40011 G08
150
–30
–50
10
50
90
130
VFLOAT
VRECHARGE
(VBAT FALLING)
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