参数资料
型号: LT1571EGN-5#TR
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC CHARGER BATT CONST V/I 16SSOP
标准包装: 2,500
功能: 充电管理
电池化学: 铅酸,锂离子,镍镉,镍氢
电源电压: 8 V ~ 26 V
工作温度: -40°C ~ 85°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)
LT1571 Series
ABSOLUTE
AXI U
RATI GS
(Note 1)
Supply Voltage (V CC ) .............................................. 28V
BOOST Pin Voltage with Respect to V CC ................. 20V
FLAG Pin Voltage ..................................................... V CC
I BAT (Average)........................................................ 1.5A
Switch Current (Peak) .............................................. 2A
Storage Temperature Range ................. – 65 ° C to 150 ° C
PACKAGE/ORDER I FOR ATIO
Operating Ambient
Temperature Range (Note 2) .................. – 40 ° C to 85 ° C
Operating Junction
Temperature Range .............................. – 40 ° C to 125 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TOP VIEW
TOP VIEW
**GND
**GND
1
2
28 GND**
27 GND**
**GND
**GND
1
2
28 GND**
27 GND**
TOP VIEW
**GND
3
26 GND**
**GND
3
26 GND**
**GND 1
SW 2
BOOST 3
BAT2 4
FLAG 5
SELECT 6
16 GND**
15 V CC1 *
14 V CC2 *
13 CAP
12 PROG
11 V C
SW
BOOST
NC
FLAG
NC
V FB
4
5
6
7
8
9
25 GND**
24 V CC1 *
23 V CC2 *
22 CAP
21 PROG
20 V C
SW
BOOST
BAT2
FLAG
NC
SELECT
4
5
6
7
8
9
25 GND**
24 V CC1 *
23 V CC2 *
22 CAP
21 PROG
20 V C
SENSE 7
**GND 8
10 BAT
9 GND**
SENSE 10
**GND 11
19 BAT
18 GND**
SENSE 10
**GND 11
19 BAT
18 GND**
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 75 ° C/ W
**GND 12
**GND 13
**GND 14
17 GND**
16 GND**
15 GND**
**GND 12
**GND 13
**GND 14
17 GND**
16 GND**
15 GND**
* V CC1 AND V CC2 SHOULD BE CONNECTED
TOGETHER CLOSE TO THE PINS
** FOUR CORNER PINS ARE FUSED TO
INTERNAL DIE ATTACH PADDLE FOR
HEAT SINKING. CONNECT THESE FOUR
PINS TO EXPANDED PC LANDS FOR
PROPER HEAT SINKING
ORDER PART NUMBER
LT1571EGN-5
Consult factory for Industrial and Military grade parts.
2
GN PACKAGE
28-LEAD NARROW PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 40 ° C/ W
* V CC1 AND V CC2 SHOULD BE CONNECTED TOGETHER
CLOSE TO THE PINS
** ALL GND PINS ARE FUSED TO INTERNAL DIE ATTACH
PADDLE FOR HEAT SINKING. CONNECT THESE PINS TO
EXPANDED PC LANDS FOR PROPER HEAT SINKING
40 ° C/W THERMAL RESISTANCE ASSUMES AN INTERNAL
GROUND PLANE DOUBLING AS A HEAT SPREADER
ORDER PART NUMBER
LT1571EGN-1
GN PACKAGE
28-LEAD NARROW PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 40 ° C/ W
* V CC1 AND V CC2 SHOULD BE CONNECTED TOGETHER
CLOSE TO THE PINS
** ALL GND PINS ARE FUSED TO INTERNAL DIE ATTACH
PADDLE FOR HEAT SINKING. CONNECT THESE PINS TO
EXPANDED PC LANDS FOR PROPER HEAT SINKING
40 ° C/W THERMAL RESISTANCE ASSUMES AN INTERNAL
GROUND PLANE DOUBLING AS A HEAT SPREADER
ORDER PART NUMBER
LT1571EGN-2
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