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| 型号： | LTC3810EG#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/38页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 28-SSOP |
| 标准包装： | 2,000 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 93% |
| 电源电压： | 6.2 V ~ 100 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 包装： | 带卷 (TR) |
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LTC3810
ELECTRICAL CHARACTERISTICS The l denotes speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C (Note 2), INTV CC = DRV CC = V BOOST = V ON = V RNG = SHDN = UV IN =
V EXTVCC = V NDRV = 10V, V MODE/SYNC = V SENSE + = V SENSE – = V BGRTN = V SW = 0V, unless otherwise speci?ed.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Tracking
I SS/TRACK
V FB,TRACK
SS/TRACK Source Current
Feedback Voltage at Tracking
V SS/TRACK > 0.5V
V TRACK = 0V, I TH = 1.2V (Note 4)
V TRACK = 0.5V, I TH = 1.2V (Note 4)
0.7
0.48
1.4
–0.018
0.5
2.5
0.52
μA
V
V
V CC Regulators
V EXTVCC
EXTV CC Switchover Voltage
EXTV CC Rising
EXTV CC Hysteresis
l
6.4
0.1
6.7
0.3
0.5
V
V
V INTVCC,1
? V EXTVCC,1
? V LOADREG,1
V INTVCC,2
? V LOADREG,2
I NDRV
I NDRVTO
INTV CC Voltage from EXTV CC
V EXTVCC – V INTVCC at Dropout
INTV CC Load Regulation from EXTV CC
INTV CC Voltage from NDRV Regulator
INTV CC Load Regulation from NDRV
Current into NDRV Pin
Linear Regulator Timeout Enable
10.5V < V EXTVCC < 15V
I CC = 20mA, V EXTVCC = 9.1V
I CC = 0mA to 20mA, V EXTVCC = 12V
Linear Regulator in Operation
I CC = 0mA to 20mA, V EXTVCC = 0
V NDRV – V INTVCC = 3V
9.4
9.4
20
210
10
170
0.01
10
0.01
40
270
10.6
250
10.6
60
350
V
mV
%
V
%
μA
μA
Threshold
V CCSR
I CCSR
Maximum Supply Voltage
Maximum Current into NDRV/INTV CC
Trickle Charger Shunt Regulator
Trickle Charger Shunt Regulator,
10
15
V
mA
INTV CC ≤ 16.7V (Note 8)
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 LTC3810 is tested under pulsed load conditions such that
T J ≈ T A . The LTC3810E is guaranteed to meet performance speci?cations
from 0°C to 85°C. Speci?cations over the –40°C to 125°C operating
junction temperature range are assured by design, characterization and
correlation with statistical process controls. The LTC3810I is guaranteed
to meet perfomance speci?cations over the full –40°C to 125°C operating
junction temperature range.
Note 3: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formula:
LTC3810: T J = T A + (P D ? 100°C/W)
Note 4: The LTC3810 is tested in a feedback loop that servos V FB to the
reference voltage with the I TH pin forced to a voltage between 1V and 2V.
Note 5: The dynamic input supply current is higher due to the power
MOSFET gate charging being delivered at the switching frequency
(Q G ? f OSC ).
Note 6: Guaranteed by design. Not subject to test.
Note 7: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the speci?ed maximum operating junction
temperature may impair device reliability.
Note 8: I CC is the sum of current into NDRV and INTV CC .
PARAMETER
Maximum V IN
MOSFET Gate Drive
INTV CC UV +
LTC3810
100V
6.35V to 14V
6.2V
LTC3810-5
60V
4.5V to 14V
4.2V
LTC3812-5
60V
4.5V to 14V
4.2V
INTV CC
UV –
6V
4V
4V
3810fc
4
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| LTC3810EUH-5#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LTC3810EUH-5#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LTC3810HUH-5#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
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| LTC3810IG | 制造商:Linear Technology 功能描述: |
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