参数资料
型号: LTC4057ES5-4.2#TRM
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC CHARGR BATTERY L-ION TSOT23-5
标准包装: 500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.25 V ~ 6.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 带卷 (TR)
其它名称: LTC4057ES5-4.2
LTC4057ES5-4.2-ND
LTC4057-4.2
ABSOLUTE
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC4057ES5-4.2
LTAEW
(Note 1)
Input Supply Voltage (V CC ) ........................ – 0.3V to 10V
PROG .............................................. – 0.3V to V CC + 0.3V
BAT .............................................................. – 0.3V to 7V
SHDN ......................................................... – 0.3V to 10V
BAT Short Circuit Duration ........................... Continuous
BAT Pin Current .................................................. 800mA
PROG Pin Current ................................................ 800 μ A
Junction Temperature ........................................... 125 ° C
Operating Ambient Temperature Range
(Note 2) .............................................. – 40 ° C to 85 ° C
Storage Temperature Range ................. – 65 ° C to 125 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
ORDER PART
NUMBER
TOP VIEW
SHDN 1 5 PROG
GND 2
BAT 3 4 V CC S5 PART
S5 PACKAGE MARKING
5-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, ( θ JA = 100 ° C/W TO 150 ° C/W
DEPENDING ON PC BOARD LAYOUT)
(NOTE 3)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 5V
SYMBOL
V CC
I CC
PARAMETER
Input Supply Voltage
Input Supply Current
CONDITIONS
I BAT = 0mA, R PROG = 2k
Shutdown Mode (SHDN = 0V,
q
q
q
MIN
4.25
TYP
200
MAX
6.5
600
50
UNITS
V
μ A
μ A
V CC < V BAT , or V CC < V UV )
V FLOAT
Regulated Output (Float) Voltage
I BAT = 40mA, 0 ° C < T A < 85 ° C
4.158
4.2
4.242
V
I BAT
I TRIKL
V TRIKL
BAT Pin Charge Current
Trickle Charge Current
Trickle Charge Threshold Voltage
R PROG = 10k; Current Mode
R PROG = 2k; Current Mode
Shutdown Mode (SHDN = 0V)
Sleep Mode (V CC = 0V)
V BAT < 2.9V; R PROG = 2k (I CHG = 500mA)
R PROG = 10k; V BAT Rising
q
q
q
93
465
20
2.8
100
500
± 1
± 1
50
2.9
107
535
± 2
± 2
70
3.0
mA
mA
μ A
μ A
mA
V
Hysteresis
60
80
110
mV
V UV
V ASD
V CC Undervoltage Lockout Voltage
V CC - V BAT Lockout Threshold Voltage
From Low to High
Hysteresis
V CC from Low to High
q
q
3.7
150
70
3.8
200
100
3.9
300
150
V
mV
mV
V CC from High to Low
5
30
70
mV
V PROG
PROG Pin Voltage
R PROG = 10k; Current Mode
q
0.93
1.0
1.07
V
V SHDN-IL
SHDN Pin Input Low Voltage
0.4
0.65
V
V SHDN-IH
SHDN Pin Input High Voltage
0.65
1.0
V
I SHDN
SHDN Pin Input Current
V SHDN = 5V
q
5
15
μ A
T LIM
Junction Temperature in
120
° C
Constant-Temperature Mode
R ON
Power FET “ON” Resistance
600
m ?
(Between V CC and BAT)
t SS
Soft-Start Time
I BAT = 0 to I BAT = 1000V/R PROG
100
μ s
4057f
2
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