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| 型号： | LTC4000EGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/40页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATTERY 28-SSOP |
| 产品培训模块： | LTC4000 60V Battery Charging Controller and Power Management |
| 标准包装： | 49 |
| 系列： | PowerPath™ |
| 功能： | 充电管理，电源管理 |
| 电池化学： | 多化学 |
| 电源电压： | 3 V ~ 60 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
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LTC4000
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are a t T A = 25°C. V IN = V CLN = 3V to 60V unless otherwise noted (Notes 2, 3).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Battery PowerPath Control
Battery Discharge PowerPath Forward
Regulation Voltage
Battery PowerPath Fast Reverse Turn-Off
Threshold Voltage
Battery PowerPath Fast Forward Turn-On
Threshold Voltage
V BAT,CSN , 2.8V ≤ V BAT ≤ 60V
V BAT,CSN , 2.8V ≤ V BAT ≤ 60V, Not
Charging, V BGATE = V CSN – 2.5V,
?I BGATE /?V BAT,CSN ≥ 100μA/mV
V BAT,CSN , 2.8V ≤ V CSN ≤ 60V,
V BGATE = V BAT – 1.5V,
?I BGATE /? V BAT,CSN ≥ 100μA/mV
l
l
l
0.1
–90
40
8
–50
80
20
–20
130
mV
mV
mV
Battery Gate Turn-Off Current
Battery Gate Turn-On Current
V BGATE = V CSN – 1.5V, V CSN ≥ V BAT ,
V OFB < V OUT(INST_ON) and Charging
in Progress, or V CSN = V BAT and Not
Charging
V BGATE = V BAT – 1.5V, V CSN ≥ V BAT ,
V OFB > V OUT(INST_ON) and Charging in
Progress, or V CSN = V BAT – 20mV
–0.3
0.3
μA
μA
I BGATE(FASTOFF)
I BGATE(FASTON)
Battery Gate Fast Turn-Off Current
Battery Gate Fast Turn-On Current
V CSN = V BAT + 0.1V and Not
Charging, V BGATE = V CSN – 3V
V CSN = V BAT – 0.2V,
V BGATE = V BAT – 1.5V
–0.5
0.7
mA
mA
V BGATE(ON)
Battery Gate Clamp Voltage
Battery Gate Off Voltage
I BGATE = 2μA, V BAT = 12V to 60V,
V CSN = V BAT – 0.5V, Measure
V BAT – V BGATE
I BGATE = – 2μA, V BAT = 2.8V to 60V,
V CSN = V BAT + 0.5V and not Charging,
Measure V CSN – V BGATE
l
l
13
0.45
15
0.7
V
V
BIAS Regulator Output and Control Pins
V BIAS
?V BIAS
BIAS Output Voltage
BIAS Output Voltage Load Regulation
No Load
I BIAS = – 0.5mA
l
2.4
2.9
–0.5
3.5
–10
V
%
BIAS Output Short-Circuit Current
Transconductance of Error Amp
Open Loop DC Voltage Gain of Error Amp
V BIAS = 0V
CC = 1V
CC = Open
–12
0.5
80
mA
mA/V
dB
I ITH(PULL_UP)
Pull-Up Current on the ITH Pin
V ITH = 0V, CC = 0V
–6
–5
–4
μA
I ITH(PULL_DOWN)
Pull-Down Current on the ITH Pin
V ITH = 0.4V, CC = Open
l
0.5
1
mA
Open Loop DC Voltage Gain of ITH Driver
ITH = Open
60
dB
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4000 is tested under conditions such that T J ≈ T A . The
LTC4000E is guaranteed to meet specifications from 0°C to 85°C junction
temperature. Specifications over the –40°C to 125°C operating junction
temperature range are assured by design, characterization and correlation
with statistical process controls. The LTC4000I is guaranteed over the
full –40°C to 125°C operating junction temperature range. Note that the
maximum ambient temperature consistent with these specifications is
determined by specific operating conditions in conjunction with board
layout, the rated package thermal impedance and other environmental
factors. The junction temperature (T J , in °C) is calculated from the ambient
temperature (T A , in °C) and power dissipation (P D , in Watts) according to
the following formula:
T J = T A + (P D ? θ JA ), where θ JA (in °C/W) is the package thermal
impedance.
Note 3: All currents into pins are positive; all voltages are referenced to
GND unless otherwise noted.
Note 4: These parameters are guaranteed by design and are not 100%
tested.
4000fb
For more information www.linear.com/LTC4000
5
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