参数资料
型号: LT1510CGN#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC BATT CHARGER CONST V/I 16SSOP
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子,镍镉,镍氢
电源电压: 6.2 V ~ 28 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
LT1510/LT1510-5
ELECTRICAL CHARACTERISTICS
V CC = 16V, V BAT = 8V, V MAX (maximum operating V CC ) = 28V, no load on any outputs, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Overall
Minimum Input Operating Voltage
Reverse Current from Battery (When V CC Is Not
Undervoltage Lockout
V BAT ≤ 20V, 0 ° C ≤ T J ≤ 70 ° C
q
q
6.2
7
3
7.8
15
V
μ A
Connected, V SW Is Floating)
Boost Pin Current
V CC – V BOOST ≤ 20V
20V < V CC – V BOOST ≤ 28V
2V ≤ V BOOST – V CC ≤ 8V (Switch ON)
8V < V BOOST – V CC ≤ 25V (Switch ON)
q
q
q
q
0.10
0.25
6
8
20
30
11
14
μ A
μ A
mA
mA
Switch
Switch ON Resistance
? I BOOST / ? I SW During Switch ON
Switch OFF Leakage Current
Maximum V BAT with Switch ON
Minimum I PROG for Switch ON
Minimum I PROG for Switch OFF at V PROG ≤ 1V
V CC = 10V
I SW = 1.5A, V BOOST – V SW ≥ 2V (Note 4)
I SW = 1A, V BOOST – V SW < 2V (Unboosted)
V BOOST = 24V, I SW ≤ 1A
V SW = 0V, V CC ≤ 20V
20V < V CC ≤ 28V
q
q
q
q
q
q
2
1
0.3
20
2
4
4
2.4
0.5
2.0
35
100
200
V CC – 2
20
?
?
mA/A
μ A
μ A
V
μ A
mA
Current Sense Amplifier Inputs (SENSE, BAT)
Sense Resistance (R S1 )
Total Resistance from SENSE to BAT (Note 3)
0.08
0.2
0.12
0.25
?
?
BAT Bias Current (Note 5)
V C < 0.3V
V C > 0.6V
– 200
700
– 375
1300
μ A
μ A
Input Common Mode Limit (Low)
Input Common Mode Limit (High)
q
q
– 0.25
V CC – 2
V
V
Reference
Reference Voltage (Note 1) S8 Package
Reference Voltage (Note 2) 16-Pin
R PROG = 4.93k, Measured at PROG Pin
R PROG = 3.28k, Measured at OVP with
q
2.415
2.453
2.465
2.465
2.515
2.477
V
V
VA Supplying I PROG and Switch OFF
Reference Voltage Tolerance, 16-Pin Only
8V ≤ V CC ≤ 28V, 0 ° C ≤ T J ≤ 70 ° C
8V ≤ V CC ≤ 28V, 0 ° C ≤ T J ≤ 125 ° C
8V ≤ V CC ≤ 28V, T J < 0 ° C
q
q
q
2.446
2.441
2.430
2.465
2.480
2.489
2.489
V
V
V
Oscillator
Switching Frequency
LT1510
LT1510-5
180
440
200
500
220
550
kHz
kHz
Switching Frequency Tolerance
Maximum Duty Cycle
All Conditions of V CC , Temperature, LT1510
LT1510, T J < 0 ° C
LT1510-5
LT1510-5, T J < 0 ° C
LT1510
LT1510, T A = 25 ° C (Note 8)
LT1510-5 (Note 9)
q
q
q
q
q
q
170
160
425
400
87
90
77
200
500
93
81
230
230
575
575
kHz
kHz
kHz
kHz
%
%
%
3
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