參數(shù)資料
型號(hào): LTC4155IUFD#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC28
封裝: 5 X 4 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WXXX-X, QFN-28
文件頁數(shù): 52/52頁
文件大?。?/td> 473K
代理商: LTC4155IUFD#TRPBF
LTC4155
9
4155f
TYPICAL PERFORMANCE CHARACTERISTICS
Switching Regulator Efficiency
Battery Charger Total Efficiency
vs Battery Voltage
Battery and VBUS Currents
vs VOUT Current
Battery and VBUS Currents
vs VOUT Current
Battery Drain Current
vs Temperature
VOUT CURRENT (A)
0
CURRENT
(A) 0.2
0.4
0.6
0.8
4155 G01
0
–0.2
–0.4
0.2
0.4
0.6
1.0
INPUT CURRENT
CHARGE CURRENT
500mA INPUT CURRENT LIMIT MODE
VOUT CURRENT (A)
0
–2
CURRENT
(A)
–1
0
1
2
3
4
IBUS
ICHG
1
2
3
4
4155 G02
5
3A INPUT CURRENT LIMIT MODE
CURRENT (A)
EFFICIENCY
(%)
POWER
LOST
(W)
92.5
1.5
4155 G04
85.0
80.0
0.5
0
1.0
2.0
INCLUDES LOSSES FROM 2
× Si7938DP OVP FETS
XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET
77.5
75.0
95.0
90.0
87.5
82.5
3.5
2.0
1.0
0.5
0
4.0
3.0
2.5
1.5
2.5
3.0
3.5
EFFICIENCY
TO VOUT
EFFICIENCY
TO BATTERY
POWER LOST
TO BATTERY
POWER LOST
TO VOUT
BATTERY VOLTAGE (V)
2.4
0.50
LOAD
CURRENT
(A)
0.75
1.00
1.25
1.50
1.75
2.7
3.0
3.3
3.6
4155 G06
3.9
4.2
500mA MODE
900mA MODE
VFLOAT = 4.05V
USB Compliant Load Current
Available Before Discharging
Battery
500mA USB Limited Battery
Charge Current vs Battery Voltage
100mA USB Limited Battery
Charge Current vs Battery Voltage
VOUT Voltage vs Battery Voltage
BATTERY VOLTAGE (V)
2.4
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3.3
3.9
4155 G07
2.7
3.0
3.6
4.2
CHARGE
CURRENT
(A)
500mA 100% USB
LIMITED BATTERY
CHARGE CURRENT
vs BATTERY VOLTAGE
500mA 12.5% USB
LIMITED BATTERY
CHARGE CURRENT
vs BATTERY VOLTAGE
TEMPERATURE (°C)
–40
0
BATTERY
QUIESCENT
CURRENT
(A)
0.5
1.0
1.5
2.0
2.5
3.0
–15
10
35
60
4155 G03
85
VBATSNS = 3.7V
SHIP-AND-STORE MODE
BATTERY VOLTAGE (V)
2.4
55
EFFICIENCY
(%)
60
70
75
80
3.6
100
4155 G05
65
3.0
2.7
3.9
3.3
4.2
85
90
95
ICHARGE = 300mA
ICHARGE = 2.4A
IVOUT = 0A
η = PBAT/PBUS
INCLUDES LOSSES FROM 2
× Si7938DP OVP FETS
XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET
BATTERY VOLTAGE (V)
2.4
0
CHARGE
CURRENT
(mA)
20
40
60
80
100
2.7
3.0
3.3
3.6
4155 G08
3.9
4.2
BATTERY VOLTAGE (V)
2.4
3.4
V OUT
VOLTAGE
(V)
3.6
3.5
3.8
3.7
4.0
3.9
4.2
4.1
4.4
4.3
2.7
3.0
3.3
3.6
4155 G09
3.9
4.2
IVOUT = 0A
100% MODE
50% MODE
12.5% MODE
CHARGER DISABLED
TA = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V,
DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted.
相關(guān)PDF資料
PDF描述
LTC4155IUFD#PBF POWER SUPPLY SUPPORT CKT, PQCC28
LTC4215CUFD-2 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
LTC4215IUFD-2#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
LTC4215IUFD-2#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
LTC4215CUFD-2#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
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