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参数资料
| 型号： | MAX8798EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/31页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX8798 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 特殊用途 DC/DC，LCD 电源 |
| 输出及类型： | 4，非隔离 |
| 功率 - 输出： | 3.56W |
| 输出电压： | 8V，3.2V，21V，-13V |
| 电流 - 输出： | 300mA，150mA，20mA，20mA |
| 输入电压： | 1.8 ~ 6 V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 1.2MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | MAX8798 |
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Internal-Switch Boost Regulator with
Integrated 3-Channel Scan Driver for TFT LCDs
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V DD = V SHDN = +3V, circuit of Figure 2, V BOOST = 8V, V GON = 23V, V GOFF = -12V, V POS = 0, V NEG = 1.5V, V OE = V CPV =
V STV = V OECON = 0, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Output Slew Rate CKV, CKVB
Propagation Delay Between
STV and STVP
STVP Output Slew Rate
Charge-Sharing Discharge
Path Resistance
DISH Turn-On Threshold
CONDITIONS
Without charge sharing,
STV = V DD , C LOAD = 4.7nF, 50
C LOAD = 4.7nF
C LOAD = 4.7nF, 50
CKV to CKVCS and
CKVB to CKVBCS
Dish falling
MIN
20
20
TYP
40
250
40
250
MAX
450
400
-1.8
UNITS
V/μs
ns
V/μs
V
STV, CPV, OE Input Low Voltage
STV, CPV, OE Input High Voltage
OECON Input Low Voltage
OECON Input High Voltage
1.6
2.0
0.8
1.5
V
V
V
V
OECON Sink Current
V OECON = 5V = V DD
0.4
0.8
mA
V STV = V DD or GND,
STV, CPV, OE
Input Current
V CPV = V DD or GND,
V OE = V DD or GND,
-1
+1
μA
V OECON = V DD or GND
V CKV = GON or GOFF, high impedance
CKV, CKVB, STVP Output
High-Impedance Current
V CKVB = GON or GOFF, high impedance
V CKVCS = GON or GOFF, high impedance
V CKVBCS = GON or GOFF, high impedance
-1
+1
μA
V STVP = GON or GOFF, high impedance
CONTROL INPUTS
Input Low Voltage
Input High Voltage
SHDN
SHDN , 1.8V < V IN < 3.0V
SHDN , 3.0V < V IN < 5.5V
1.8
2.0
0.6
V
V
SHDN Input Current
V SHDN = 0 or 3V
-1
+1
μA
ELECTRICAL CHARACTERISTICS
(V IN = V DD = V SHDN = +3V, circuit of Figure 2, V BOOST = 8V, V GON = 23V, V GOFF = -12V, V POS = 0, V NEG = 1.5V, V OE = V CPV =
V STV = V OECON = 0, T A = -40°C to +85°C , unless otherwise noted.) (Note 6)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V DD Input Voltage Range
V DD Quiescent Current
V DD Undervoltage Lockout
V DD = 3V
V DD rising; typical hysteresis 100mV
1.8
4.0
10
1.75
V
μA
V
IN Input Voltage Range
IN Quiescent Current
IN Undervoltage Lockout
(Note 1)
V IN = 3V, V FB = 1.5V, not switching
V IN rising; typical hysteresis 100mV
1.8
6.0
0.1
1.75
V
mA
V
_______________________________________________________________________________________
5
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