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参数资料
| 型号： | MAX8795AGCJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/31页 |
| 文件大小： | 0K |
| 描述： | IC CONV DC-DC TFT-LCD 32LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.5 V ~ 6 V |
| 输出数： | 8 |
| 输出电压： | 2.5 V ~ 18 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 带卷 (TR) |
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TFT-LCD DC-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3V, V MAIN = V SUP = 14V, V PGND = V AGND = V BGND = 0V, I REF = 25μA, T A = -40°C to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
GATE-OFF LINEAR-REGULATOR CONTROLLER
FBN Regulation Voltage
FBN Effective Load-Regulation
Error (Transconductance)
FBN Line (IN) Regulation Error
DRVN Source Current
V FBN
I DRVN
I DRVN = 100μA, V REF - V FBN
V DRVN = -10V, I DRVN = 50μA to 1mA
I DRVN = 0.1mA, 2.5V < V IN < 6V
V FBN = 300mV, V DRVN = -10V
0.972
1
1.022
25
± 5
V
mV
mV
mA
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
DEL Capacitor Charge Current
DEL Turn-On Threshold
V TH(DEL)
During startup, V DEL = 1V
4
1.19
6
1.31
μA
V
CTL Input Low Voltage
CTL Input High Voltage
SRC Input Voltage Range
V IN = 2.5V to 5.5V
V IN = 2.5V to 5.5V
2
0.6
36
V
V
V
SRC Input Current
SRC-to-COM Switch On-Resistance
DRN-to-COM Switch On-Resistance
I SRC
R SRC(ON)
R DRN(ON)
V DEL = 1.5V, CTL = IN
V DEL = 1.5V, CTL = AGND
V DEL = 1.5V, CTL = IN
V DEL = 1.5V, CTL = AGND
300
200
10
60
μA
?
?
ELECTRICAL CHARACTERISTICS
(V IN = 3V, V MAIN = V SUP = 14V, V PGND = V AGND = V BGND = 0V, I REF = 25μA, T A = 0°C to +105°C . Typical values are at T A = +25°C,
unless otherwise noted.)
PARAMETER
IN Supply Range
IN Undervoltage-Lockout
Threshold
SYMBOL
V IN
V UVLO
CONDITIONS
(Note 2)
V IN rising, typical hysteresis = 50mV
MIN
2.5
2.05
TYP
2.25
MAX
6.0
2.45
UNITS
V
V
V FB = V FBP = 1.3V, V FBN = 0V,
LX not switching
0.6
1.0
IN Quiescent Current
Duration-to-Trigger Fault
Condition
IIN
V FB = 1.2V, V FBP = 1.4V, V FBN = 0V,
LX switching
V FB or FBP below threshold or FBN above
threshold
2
200
3
mA
ms
REF Output Voltage
No external load
T A = +25°C to +105°C
T A = 0°C to +105°C
1.238
1.232
1.250
1.250
1.262
1.266
V
REF Load Regulation
REF Sink Current
REF Undervoltage-Lockout
Threshold
Thermal Shutdown
0 < I LOAD < 50μA
In regulation
Rising edge, typical hysteresis = 160mV
Temperature rising
Hysteresis
10
+160
15
10
1.15
mV
μA
V
°C
6
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