参数资料
型号: LTC1960CUHF#TRPBF
厂商: Linear Technology
文件页数: 4/28页
文件大小: 0K
描述: IC BATT CHRGR/SELECTR DL 38-QFN
标准包装: 2,500
功能: 充电管理
电源电压: 6 V ~ 28 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-QFN(5x7)
包装: 带卷 (TR)
LTC1960
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range (Note 7), otherwise specifications are at T A = 25°C. V DCIN = 20V, V BAT1 = 12V, V BAT2 = 12V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DACs
I RES
IDAC Resolution
Guaranteed Monotonic Above I MAX /16
10
bits
t IP
t ILOW
V RES
V STEP
V OFF
t VP
IDAC Pulse Period:
Normal Mode
Low Current Mode
VDAC Resolution
VDAC Granularity
VDAC Offset
VDAC Pulse Period
Guaranteed Monotonic (5V < V BAT < 25V)
(Note 6)
6
11
7
10
50
16
0.8
11
15
16.5
μs
ms
bits
mV
V
μs
Charge MUX Switches
t ONC
t ONC
GCH1/GCH2 Turn-On Time
GCH1/GCH2 Turn-Off Time
V GCHX – V SCHX > 3V, C LOAD = 3nF
V GCHX – V SCHX < 1V, from Time of V CSN <
V BATX – 30mV, C LOAD = 3nF
5
3
10
7
ms
μs
V CON
V COFF
CH Gate Clamp Voltage
GCH1
GCH2
CH Gate Off Voltage
GCH1
GCH2
I LOAD = 1μA
V GCH1 – V SCH1
V GCH2 – V SCH2
I LOAD = 10μA
V GCH1 – V SCH1
V GCH2 – V SCH2
5
5
–0.8
–0.8
5.8
5.8
–0.4
–0.4
7
7
0
0
V
V
V
V
V TOC
V FC
CH Switch Reverse Turn-Off Voltage
CH Switch Forward Regulation Voltage
V CSN – V BATX , 5V ≤ V BATX ≤ 28V
V BATX – V CSN , 5V ≤ V BATX ≤ 28V
l
l
5
15
20
35
40
60
mV
mV
I OC(SRC)
I OC(SNK)
GCH1/GCH2 Active Regulation:
Max Source Current
Max Sink Current
V GCHX – V SCHX = 1.5V
–2
2
μA
μA
V CHMIN
BATX Voltage Below Which Charging Is Inhibited (Note 8)
3.5
4.7
V
PowerPath Switches
t DLY
t PPB
Blanking Period After UVLO Trip
Blanking Period After LOPWR Trip
Switches Held Off
Switches in 3-Diode Mode
250
1
ms
sec
t ONPO
t OFFPO
V PONO
V POFFO
GB1O/GB2O/GDCO Turn-On Time
GB1O/GB2O/GDCO Turn-Off Time
Output Gate Clamp Voltage
GB1O
GB2O
GDCO
Output Gate Off Voltage
GB1O
GB2O
GDCO
V GS < –3V, from Time of Battery/DC
Removal, or LOPWR Indication
V GS > –1V, from Time of Battery/DC
Removal, or LOPWR Indication
I LOAD = 1μA
Highest (V BAT1 or V SCP ) – V GB1O
Highest (V BAT2 or V SCP ) – V GB2O
Highest (V DCIN or V SCP ) – V GDCO
I LOAD = –25μA
Highest (V BAT1 or V SCP ) – V GB1O
Highest (V BAT2 or V SCP ) – V GB2O
Highest (V DCIN or V SCP ) – V GDCO
l
l
4.75
4.75
4.75
5
3
6.25
6.25
6.25
0.18
0.18
0.18
10
7
7
7
7
0.25
0.25
0.25
μs
μs
V
V
V
V
V
V
V TOP
V FP
PowerPath Switch Reverse Turn-Off Voltage
PowerPath Switch Forward Regulation Voltage
V SCP – V BATX or V SCP – V DCIN
6V ≤ V SCP ≤ 28V
V BATX – V SCP or V DCIN – V SCP
6V ≤ V SCP ≤ 28V
l
l
5
0
20
25
60
50
mV
mV
I OP(SRC)
I OP(SNK)
GDCI/GB1I/GB2I Active Regulation
Source Current
Sink Current
(Note 4)
–4
75
μA
μA
1960fb
4
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