参数资料
型号: LTC4009IUF-1#PBF
厂商: Linear Technology
文件页数: 3/28页
文件大小: 0K
描述: IC CHARGER BATTERY MC 20-QFN
标准包装: 91
功能: 充电管理
电池化学: 多化学
电源电压: 6 V ~ 28 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 管件
LTC4009
LTC4009-1/LTC4009-2
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. DCIN = 20V, BAT = 12V, GND = 0 V unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Charge Voltage Regulation
V TOL
I VFB
V BAT Accuracy (See Test Circuits)
V FB Input Bias Current
LTC4009
C-Grade
I-Grade
LTC4009-1/LTC4009-2
C-Grade
FVS1 = 0V, FVS0 = 0V, I-Grade
FVS1 = 0V, FVS1 = 5V, I-Grade
FVS1 = 5V, FVS0 = 0V, I-Grade
FVS1 = 5V, FVS1 = 5V, I-Grade
V FB = 1.2V
l
l
l
l
l
l
l
–0.5
–0.8
–1.0
–0.6
–0.8
–1.1
–1.15
–1.25
–1.35
±20
0.5
0.8
1.0
0.6
0.8
1.1
1.15
1.25
1.35
%
%
%
%
%
%
%
%
%
nA
R ON
FBDIV On-Resistance
I LOAD = 100μA
l
85
190
Ω
I LEAK-FBDIV
V BOV
FBDIV Output Leakage Current
V FB Overvoltage Threshold
BAT Overvoltage Threshold
SHDN = 0V, FBDIV = 0V
LTC4009
LTC4009-1/LTC4009-2, Relative to
Selected Output Voltage
l
l
l
–1
1.235
103
0
1.281
106
1
1.32
109
μA
V
%
Charge Current Regulation
I TOL
Charge Current Accuracy with R IN = 3.01k,
6V < BAT < 18V (LTC4009),
6V < BAT < 15V (LTC4009-1, LTC4009-2)
R PROG = 26.7k
C-Grade
I-Grade
V SENSE = 0mV, PROG = 1.2V
l
l
–4
–5
–9.5
–12.75
–11.67
4
5
9.5
–10.95
%
%
%
μA
A I
Current Sense Amplifier Gain (PROG ? I) with
R IN = 3.01k, 6V < BAT < 18V (LTC4009),
6V < BAT < 15V (LTC4009-1, LTC4009-2)
V SENSE Step from 0mV to 5mV,
PROG = 1.2V
–1.78
–1.66
–1.54
μA
V CS-MAX
Maximum Peak Current Sense Threshold Voltage ITH = 2V, C-Grade
per Cycle (R IN = 3.01k) ITH = 2V, I-Grade
ITH = 5V
l
l
l
140
125
195
325
250
265
430
mV
mV
mV
V C10
V REV
C/10 Indicator Threshold Voltage
Reverse Current Threshold Voltage
PROG Falling
PROG Falling
340
180
400
253
460
295
mV
mV
Input Current Regulation
V CL
Current Limit Threshold
CLP – CLN
C-Grade
I-Grade
l
l
97
96
92
100
100
103
104
108
mV
mV
mV
I CLN
CLN Input Bias Current
CLN = CLP
±100
nA
V ICL
ICL Indicator Threshold
(CLP – CLN) – V CL
–8
–5
–2
mV
DCIN, CLP Supplies
OVR
I DCO
I CLPO
Operating Voltage Range
DCIN Operating Current
CLP Operating Current
DCIN and CLP
No Gate Loads
CLP = 20V, No Gate Loads
6
1.5
0.5
28
2
0.8
V
mA
mA
V CBT
V CNT
V OVP
CLP Boost Threshold Voltage
CLP Normal Threshold Voltage (Note 5)
DCDIV Overvoltage Protection Threshold
CLP – DCIN, CLP Rising
DCIN – CLP, CLP Falling
DCDIV Rising
l
l
10
10
1.75
25
25
1.825
60
60
1.9
mV
mV
V
V OVP(HYST) DCDIV OVP Threshold Hysteresis
Shutdown
110
mV
V ACP
DCDIV AC Present Threshold Voltage
DCDIV Rising
l
1.13
1.2
1.27
V
V ACP(HYST)
DCDIV ACP Threshold Hysteresis Voltage
50
mV
I DCDIV
V IL
DCDIV Input Current
SHDN Input Voltage Low
DCDIV = 1.2V
l
–1
0
1
300
μA
mV
4009fd
 
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