参数资料
型号: MAX772CSA+
厂商: Maxim Integrated Products
文件页数: 3/20页
文件大小: 0K
描述: IC REG CTRLR BST PWM 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
PWM 型: 控制器
输出数: 1
频率 - 最大: 300kHz
占空比: 90%
电源电压: 3 V ~ 16.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
5V/12V/15V or Adjustable, High-Efficiency,
Low I Q , Step-Up DC-DC Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, I LOAD = 0mA, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETERS
REF Load Regulation
REF Line Regulation
SYMBOL
CONDITIONS
0 μ A ≤ I REF ≤ 100 μ A
3V ≤ V+ ≤ 16.5V
MAX77_C/E
MAX77_M
MIN
TYP
4
4
40
MAX
10
15
100
UNITS
mV
μ V/V
MAX77_C
1.4700
1.50
1.5300
FB Trip-Point Voltage
V FB
MAX77_E
1.4625
1.50
1.5375
V
MAX77_M
MAX77_C
1.4550
1.50
1.5450
±20
FB Input Current
I FB
MAX77_E
±40
nA
MAX77_M
±60
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
LBI Input Current
LBI Hysteresis
LBI Delay
V IH
V IL
V+ = 2.0V to 16.5V
MAX77_C/E, V+ = 2.0V to 16.5V
MAX77_M, V+ = 2.0V to 16.5V
V+ = 16.5V, SHDN = 0V or V+
MAX773, V+ = 16.5V, LBI = 1.5V
MAX773
5mV overdrive
MAX77_C
1.6
1.4700
20
2.5
1.50
0.4
0.2
±1
±20
1.5300
V
V
μ A
nA
mV
μs
LBI Threshold Voltage
MAX773, LBI falling
MAX77_E
1.4625
1.50
1.5375
V
MAX77_M
1.4550
1.50
1.5450
LBO Leakage Current
MAX773, V+ = 16.5V, V LBO = 16.5V
0.01
1.00
μ A
LBO Output Voltage Low
V OL
MAX773, V+ = 5V, LBO sinking 1mA
0.1
0.4
V
Current-Limit Trip Level
V CS
V+ = 5V to 16.5V
170
200
230
mV
CS Input Current
0.01
±1
μ A
EXT Rise Time
EXT Fall Time
V+ = 5V, 1nF from EXT to ground (Note 3)
V+ = 5V, 1nF from EXT to ground (Note 3)
55
55
ns
ns
Supply Voltage in
Shunt Mode
V SHUNT
MAX773, I SHUNT = 1mA to 20mA,
SGND = 0V, C SHUNT = 0.1 μ F
5.5
6.3
V
Note 1: Output voltage guaranteed using preset voltages. See Figures 7a–7d for output current capability versus input voltage.
Note 2: Output voltage line and load regulation depend on external circuit components.
Note 3: For the MAX773, EXT is EXTH and EXTL shorted together.
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