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LT1512CS8 PDF预览

LT1512CS8

更新时间: 2024-02-06 19:25:17
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
12页 264K
描述
SEPIC Constant-Current/ Constant-Voltage Battery Charger

LT1512CS8 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP,
针数:8Reach Compliance Code:compliant
风险等级:5.12模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:25 V最小输入电压:2.7 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9025 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:2.7 A
标称输出电压:1.245 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):250
认证状态:Not Qualified座面最大高度:1.752 mm
最大供电电流 (Isup):5.5 mA表面贴装:YES
切换器配置:SINGLE最大切换频率:580 kHz
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

LT1512CS8 数据手册

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LT1512  
W W W  
U
ABSOLUTE AXI U RATI GS  
/O  
PACKAGE RDER I FOR ATIO  
Input Voltage .......................................................... 30V  
Switch Voltage........................................................ 40V  
S/S Pin Voltage....................................................... 30V  
FB Pin Voltage (Transient, 10ms) ......................... ±10V  
ORDER PART  
TOP VIEW  
NUMBER  
V
V
SW  
1
2
3
4
8
7
6
5
C
LT1512CN8  
LT1512CS8  
LT1512IN8  
LT1512IS8  
FB  
GND  
I
GND S  
V
FB Pin Current .................................................... 10mA  
FB  
S/S  
V
I
FB Pin Voltage (Transient, 10ms) ......................... ±10V  
IN  
Storage Temperature Range ................ 65°C to 150°C  
Ambient Temperature Range  
N8 PACKAGE  
8-LEAD PDIP  
S8 PACKAGE  
8-LEAD PLASTIC SO  
S8 PART  
MARKING  
TJMAX = 125°C, θJA = 100°C/ W (N)  
JMAX = 125°C, θJA = 130°C/ W (S)  
LT1512C (Note 3).................................... 0°C to 70°C  
LT1512I .............................................. 40°C to 85°C  
Operating Junction Temperature Range  
LT1512C (Note 3)............................ 20°C to 125°C  
LT1512I ............................................ 40°C to 125°C  
Short Circuit ......................................... 0°C to 150°C  
Lead Temperature (Soldering, 10 sec)................. 300°C  
T
NOTE: CONTACT FACTORY CONCERNING 16-LEAD  
FUSED-LEAD GN PACKAGE WITH LOWER THERMAL  
RESISTANCE  
1512  
1512I  
Consult factory for Military grade parts.  
ELECTRICAL CHARACTERISTICS  
VIN = 5V, VC = 0.6V, VFB = VREF, IFB = 0V, VSW and S/S pins open, unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
REF  
V
FB  
Reference Voltage  
Measured at FB Pin  
V = 0.8V  
C
1.233  
1.228  
1.245  
1.245  
1.257  
1.262  
V
V
FB Input Current  
V
= V  
300  
550  
600  
nA  
nA  
FB  
REF  
FB Reference Voltage Line Regulation  
2.7V V 25V, V = 0.8V  
0.01  
0.03  
%/V  
IN  
C
V
I
Reference Voltage  
Measured at I Pin  
107  
–110  
100  
100  
93  
90  
mV  
mV  
IREF  
FB  
FB  
V
= 0V, V = 0.8V  
FB  
C
I
I
Input Current  
V
= V (Note 2)  
IREF  
10  
25  
35  
µA  
FB  
FB  
IFB  
Reference Voltage Line Regulation  
2.7V V 25V, V = 0.8V  
0.01  
1500  
0.05  
%/V  
IN  
C
g
m
Error Amplifier Transconductance  
I = ±25µA  
C
1100  
700  
1900  
2300  
µmho  
µmho  
Error Amplifier Source Current  
Error Amplifier Sink Current  
Error Amplifier Clamp Voltage  
V
V
= V – 150mV, V = 1.5V  
120  
200  
350  
µA  
µA  
FB  
FB  
REF  
C
= V  
+ 150mV, V = 1.5V  
1400  
2400  
REF  
C
High Clamp, V = 1V  
1.70  
0.25  
1.95  
0.40  
2.30  
0.52  
V
V
FB  
Low Clamp, V = 1.5V  
FB  
A
V
Error Amplifier Voltage Gain  
500  
1
V/V  
V
V Pin Threshold  
C
Duty Cycle = 0%  
0.8  
1.25  
f
Switching Frequency  
2.7V V 25V  
450  
430  
400  
500  
500  
550  
580  
580  
kHz  
kHz  
kHz  
IN  
0°C T 125°C  
J
40°C T < 0°C (LT1512I)  
J
Maximum Switch Duty Cycle  
88  
95  
130  
47  
%
Switch Current Limit Blanking Time  
Output Switch Breakdown Voltage  
260  
ns  
BV  
0°C T 125°C  
40  
35  
V
V
J
40°C T < 20°C (LT1512I)  
J
2

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