参数资料
型号: MAX1775EEE
厂商: Maxim Integrated Products
文件页数: 3/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 16-QSOP
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: 2
频率 - 最大: 1.25MHz
占空比: 100%
电源电压: 2.7 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
Dual-Output Step-Down
DC-DC Converter for PDA/Palmtop Computers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +12V, V MAIN = V INC = V CS- = V CS+ = +3.3V, V CORE = +1.8V, Circuit of Figure 4, T A = 0°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
Maximum Duty Cycle
100
%
Minimum On-Time
Minimum Off-Time
200
200
650
650
ns
ns
CORE REGULATOR
Input Voltage Range
INC Undervoltage Lockout
Core Output Voltage Adjust
Range
Maximum Core Load Current
V INC
V INC rising
V INC falling
(Note 1)
2.6
2.39
2.29
1.0
1
5.5
2.55
2.45
5.0
V
V
V
A
FBC Regulation Threshold
FBC Input Current
Dropout Voltage (INC to LXC)
LXC Leakage Current
V FBC
I FBC
I LXC
V INC = +2.5V to +5.5V, I OUTC = 0 to 200mA
V FBC = +1.3V
I OUTC = 400mA
V INC = +5.5V, V LXC = 0 to +5.5V
0.97
-0.1
-10
1.03
0.1
0.2
10
V
μA
V
μA
LXC P-Channel, N-Channel
On-Resistance
0.5
?
LXC P-Channel Current Limit
LXC P-Channel Minimum
Current
LXC N-Channel Valley Current
LXC N-Channel Zero-Crossing
Current
Maximum Duty Cycle
Minimum On-Time
Minimum Off-Time
1200
100
880
35
100
150
150
3050
400
2450
175
670
670
mA
mA
mA
mA
%
ns
ns
REFERENCE
Reference Voltage
V REF
1.22
1.27
V
Reference Load Regulation
Reference Line Regulation
Reference Sink Current
I REF
I REF = 0 to 50μA
V CS- = +2.5V to +5.5V,
I REF = 50μA
10
10
5
mV
mV
μA
CVL, CVH REGULATORS
CVL Output Voltage
CVH Output Voltage
CVL Undervoltage Lockout
V CVL
V CVH
I CVL = 50mA, V IN = +2.7V, V CS- = 0V
V IN = +4V, I CVH = 25mA
V IN = +12V, I CVH = 50mA
V CVL rising
V CVL falling
2.6
2.40
2.30
3.1
V IN - 2.8
V IN - 3.7
2.55
2.45
V
V
V
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3
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MAX1775EEE-TG069 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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