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参数资料
| 型号： | MAX8753ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV TFT LCD 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 4 |
| 输出电压： | 2.6 V ~ 13 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
TFT LCD DC-DC Converter with
Integrated Charge Pumps
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 3.0V, SHDN = LCDON = IN, V SUPP = V SUPN = 10V, PGND = GND, CREF = 0.22μF, C INTG = 470pF, T A =
0 ° C to +85 ° C . Typical values are at T A = +25 ° C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Phase I = soft-start (1.0ms)
0.38
LX Current Limit
Soft-Start Period
I LX(MAX)
t SS
Phase II = soft-start (1.0ms)
Phase III = soft-start (1.0ms)
Phase IV = fully on (> 3.0ms)
Power-up to the end of phase III
1.08
0.75
1.13
1.45
3072 /
f OSC
1.80
A
s
POSITIVE CHARGE PUMP
V SUPP Input Supply Range
V SUPP
7
13
V
V SUPP Overvoltage Threshold
OUTP Operating Range
V SUPP = rising, hysteresis (typ) = 200mV
13.2
V SUPP
13.6
14.0
28
V
V
Operating Frequency
0.25 x
f OSC
Hz
FBP Regulation Voltage
FBP Line Regulation
V FBP
V SUPP = 8V to 12V, V OUTP = 20V, I OUTP =
5mA
1.213
1.250
10
1.287
V
mV
FBP Input Bias Current
I FBP
V FBP = 1.5V
-50
+50
nA
Soft-Start Period
C1N, C2N High-Side On-
Resistance
C1N, C2N Low-Side On-
Resistance
C1P Switch On-Resistance
C2P Switch On-Resistance
OUTP Switch On-Resistance
V SSP
I SOURCE = 50mA
I SINK = 50mA
I SOURCE = 50mA
I SOURCE = 50mA
I SOURCE = 50mA
1024 /
f OSC
15
5
8
8
8
s
?
?
?
?
?
NEGATIVE CHARGE PUMP
V SUPN Input Supply Range
Operating Frequency
V SUPN
7
0.25 x
f OSC
24
V
Hz
FBN Regulation Voltage
FBN Line Regulation
V FBN
V SUPN = 8V to 24V, V OUTN = -10V, I OUTN =
5mA
213
250
10
287
mV
mV
FBN Input Bias Current
I FBN
V FBN = -0.05V
-50
+50
nA
Soft-Start Period
C3P High-Side On-Resistance
C3P Low-Side On-Resistance
V SSN
I SINK = 50mA
I SINK = 50mA
1024 /
fosc
15
10
s
?
?
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