参数资料
型号: MAX1747EUP+T
厂商: Maxim Integrated Products
文件页数: 4/13页
文件大小: 0K
描述: IC CHRG-PUMP TRPL TFTLCD 20TSSOP
标准包装: 2,500
应用: 转换器,TFT,LCD
输入电压: 2.7 V ~ 4.5 V
输出数: 3
输出电压: 可调
工作温度: 0°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
Triple Charge-Pump TFT LCD
DC-DC Converter
ELECTRICAL CHARACTERISTICS
( V IN = V SUPM = +3.0V, V SUPP = V SUPN = +5V, TGND = PGND = GND, I SHDN = 22μA, C OUT = 2
1500pF, V OUT = +5V, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 1)
?
4.7μF, C REF = 0.22μF, C INTG =
PARAMETER
Input Supply Range
Input Undervoltage Threshold
Input Quiescent Supply
Current
Output Quiescent Supply
Current
Input Shutdown Current
Operating Frequency
SYMBOL
V IN
V UVLO
I IN +
I SUPM
I Q(OUT)
f OSC
CONDITIONS
V IN falling, 40mV hysteresis (typ)
V FB = V FBP = 1.5V, V FBN = -0.2V, V OUT = 5V,
no load on DRVN and DRVP; CXN and
CXP open
V FB = V FBP = 1.5V, V FBN = -0.2V, V OUT = 5V,
no load on DRVN and DRVP; CXN and
CXP open
V SHDN = 0, V SUPM = 5V
I SHDN = 22 μ A
MIN
2.7
2.2
0.65
MAX
4.5
2.6
1.0
4.0
20
1.2
UNITS
V
V
mA
mA
μ A
MHz
MAIN CHARGE PUMP
Output Voltage Range
V OUT
4.5
5.5
V
Output Current
I OUT(MAX)
C X = 0.47 μ F
200
mA
FB Regulation Voltage
V FB
1.222
1.271
V
FB Input Bias Current
FB Power-Ready Trip Level
I FB
V FB = 1.25V
Rising edge
-50
1.09
+50
1.16
nA
V
NEGATIVE LOW-POWER CHARGE PUMP
SUPN Input Supply Range
SUPN Quiescent Current
SUPN Shutdown Current
FBN Regulation Voltage
V SUPN
I SUPN
V FBN
V FBN = -0.2V, no load on DRVN
V SHDN = 0, V SUPN = 13V
2.7
-50
13
0.8
10
+50
V
mA
μ A
mV
FBN Input Bias Current
I FBN
V FBN = 0
-50
+50
nA
DRVN PCH On-Resistance
6
?
DRVN NCH On-Resistance
FBN Power-Ready Trip Level
V FBN = 50mV
V FBN = -50mV
Falling edge
20
80
5
165
?
k ?
mV
POSITIVE LOW-POWER CHARGE PUMP
SUPP Input Supply Range
SUPP Quiescent Current
SUPP Shutdown Current
FBP Regulation Voltage
V SUPP
I SUPP
V FBP
V FBP = 1.5V, no load on DRVP
V SHDN = 0, V SUPP = 13V
2.7
1.20
13
0.8
10
1.30
V
mA
μ A
V
FBP Input Bias Current
I FBP
V FBP = 1.5V
-50
+50
nA
DRVP PCH On-Resistance
6
?
DRVP NCH On-Resistance
FBP Power-Ready Trip Level
V FBP = 1.20V
V FBP = 1.30V
Rising edge
20
1.09
5
1.16
?
k ?
V
4
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