参数资料
型号: MAX1778EUG+
厂商: Maxim Integrated Products
文件页数: 8/39页
文件大小: 0K
描述: IC DCDC CONV MULTI OUT 24TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 62
应用: 转换器,TFT,LCD
输入电压: 2.7 V ~ 5.5 V
输出数: 5
输出电压: 2.7 V ~ 13 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 管件
MAX1778/MAX1880–MAX1885
Quad-Output TFT LCD DC/DC
Converters with Buffer
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +3.0V, SHDN = IN, V SUPP = V SUPN = V SUPB = V SUPL = 10V, LDOOUT = FBL, BUF- = BUFOUT, BUF+ = FLTSET = TGND =
PGND = GND, C REF = 0.22μF, C BUF = 1μF, T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
Input Bias Current
Input Offset Current
SYMBOL
I BIAS
I OS
V CM = 5V
V CM = 5V
CONDITIONS
MIN
-500
-500
MAX
+500
+500
UNITS
nA
nA
I BUFOUT = 0
4.988
5.012
Output Voltage
V BUFOUT
BUF+ = GND
I BUFOUT = ± 5mA
4.97
5.03
V
I BUFOUT = ± 45mA
4.93
5.07
V SUPB = 4.5V to 13V
I BUFOUT = ± 5mA
-30
+30
Input Offset Voltage
V OS
V CM = 1.2V to
(V SUPB - 1.2V)
I BUFOUT = ± 45mA
-70
+70
mV
Output Voltage Swing High
Output Voltage Swing Low
V OH
V OL
I BUFOUT = -45mA, ? V OS = 1V
I BUFOUT = +45mA, ? V OS = 1V
9
1
V
V
BUF+ Dual-Mode
Threshold Voltage
Falling edge, 20mV hysteresis (typ)
80
170
mV
REFERENCE
Reference Voltage
Reference Undervoltage
Threshold
V REF
-2μA < I REF < 50μA
1.223
0.9
1.269
1.2
V
V
LOGIC SIGNALS
SHDN Input Low Voltage
SHDN Input High Voltage
2.1
0.9
V
V
SHDN Input Current
FLTSET Input Voltage Range
I SHDN
0.74 x V REF
1
0.85 x V REF
μA
V
FLTSET Threshold Voltage
FLTSET Input Current
RDY Output Low Voltage
RDY Output High Leakage
Rising edge, 25mV hysteresis (typ)
V FLTSET = 1V
I SINK = 2mA
V RDY = 13V
80
170
50
0.5
1
mV
nA
V
μA
Note 1: Dropout voltage is defined as the V SUPL - V LDOOUT , when V SUPL is 100mV below the set value of V LDOOUT .
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
8
Maxim Integrated
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