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参数资料
型号： LT1769CGN
厂商： LINEAR TECHNOLOGY CORP
元件分类： 电源管理
英文描述： Constant-Current/ Constant-Voltage 2A Battery Charger with Input Current Limiting
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封装： 0.150 INCH, PLASTIC, SSOP-28
文件页数： 2/16页
文件大小： 214K
代理商： LT1769CGN
2
LT1769
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
Supply Voltage
(V
CC
, CLP and CLN Pin Voltage)......................... 30V
BOOST Pin Voltage with Respect to V
CC
................. 25V
I
BAT
(Average)........................................................... 2A
Operating Junction Temperature Range
Commercial ...........................................0
°
C to 125
°
C
Industrial ......................................... –40
°
C to 125
°
C
Operating Ambient Temperature
Commercial ............................................ 0
°
C to 70
°
C
Industrial ........................................... –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
Consult factory for Military grade parts.
*ALL V
CC
PINS 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. 35
°
C/W
THERMAL RESISTANCE
ASSUMES AN INTERNAL
GROUND PLANE
DOUBLING AS A HEAT
SPREADER
LT1769CGN
LT1769IGN
T
JMAX
= 125
°
C,
θ
JA
= 35
°
C/W**
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND**
GND**
GND**
SW
BOOST
UV
GND**
GND**
OVP
CLP
CLN
COMP1
SENSE
GND**
GND**
GND**
GND**
V
CC1
*
V
CC2
*
V
CC3
*
GND**
PROG
V
C
UV
OUT
COMP2
BAT
SPIN
GND**
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 16V, V
BAT
= 8V, R
S2
= R
S3
= 200
(see Block Diagram),
V
CLN
= V
CC
. No load on any outputs unless otherwise noted.
The
G
denotes specifications which apply over the full operating
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Overall
Supply Current
V
PROG
= 2.7V, V
CC
≤
20V
V
PROG
= 2.7V, 20V < V
CC
≤
25V
8V
≤
V
CC
≤
25V , 0V
≤
V
BAT
≤
20V
R
PROG
= 4.93k
R
PROG
= 49.3k
T
A
< 0
°
C
V
CC
= 28V, V
BAT
= 20V
R
PROG
= 4.93k
R
PROG
= 49.3k
T
A
< 0
°
C
Measured at UV Pin
G
G
4.5
4.6
6.8
7.0
mA
mA
Sense Amplifier CA1 Gain and Input Offset Voltage
(With R
S2
= 200
, R
S3
= 200
)
(Measured across R
S1
)(Note 2)
G
G
93
8
7
100
10
107
12
12
mV
mV
mV
G
G
90
6
7
110
14
13
mV
mV
mV
V
CC
Undervoltage Lockout (Switch OFF) Threshold
UV Pin Input Current
G
6
7
8
V
0.2V
≤
V
UV
≤
8V
In Undervoltage State, I
UVOUT
= 70
μ
A
8V
≤
V
UV
, V
UVOUT
= 5V
V
BAT
≤
20V, V
UV
≤
0.4V
G
0.1
5
μ
A
UV Output Voltage at UV
OUT
Pin
UV Output Leakage Current at UV
OUT
Pin
Reverse Current from Battery (When V
CC
Is
Not Connected, V
SW
Is Floating)
G
0.1
0.5
V
G
0.1
3
μ
A
3
15
μ
A
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相关代理商/技术参数
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LT1769CGN#PBF 功能描述:IC BATT CHARGER CONST I/V 28SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2
LT1769CGN#TR 功能描述:IC CHARGER BATT CONST V/I 28SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR)
LT1769CGN#TRPBF 功能描述:IC BATT CHARGER CONST I/V 28SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR)
LT1769IFE 功能描述:IC BATT CHRGR CNSTNT I/V 20TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR)
LT1769IFE#PBF 功能描述:IC BATT CHRGR CNSTNT I/V 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR)
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