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参数资料
| 型号： | MAX16977SATE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC BUCK SYNC ADJ 2A 16TQFN |
| 标准包装： | 60 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1 V ~ 10 V |
| 输入电压： | 3.5 V ~ 36 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz ~ 2.2MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 包装： | * |
| 供应商设备封装： | * |
MAX16977
36V, 2A, 2.2MHz Step-Down Converter
with Low Operating Current
ELECTRICAL CHARACTERISTICS (continued)
(V SUP = V SUPSW = 14V, V EN = 14V, C BIAS = 1 F F, R FOSC = 12k I , T A = T J = -40 N C to +125 N C, unless otherwise noted. Typical values
are at T A = +25 N C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE (OUT)
Output Voltage
Skip-Mode Output Voltage
Adjustable Output Voltage
Range
V OUT
V OUT_SKIP
V OUT_ADJ
V FB = V BIAS , normal operation
No load, V FB = V BIAS
FB connected to external resistive divider
4.925
4.925
1
5
5
5.075
5.15
10
V
V
V
Load Regulation
Line Regulation
V FB = V BIAS , 30mA < I LOAD < 2A
V FB = V BIAS , 6V < V SUPSW < 36V
0.5
0.02
%
%/V
BST Input Current
I BST_ON
High-side on, V BST - V LX = 5V
1.5
2.5
mA
LX Current Limit
I LX
(Note 2)
2.4
3
4
A
Skip-Mode Threshold
Spread Spectrum
I SKIP_TH
Spread spectrum enabled
300
6
mA
%
Power-Switch On-Resistance
High-Side Switch Leakage
Current
R ON
R ON measured between SUPSW and LX,
I LX = 1A, V BIAS = 5V
V SUP = 36V, V LX = 0V, T A = +25 ° C
70
150
1
m I
F A
TRANSCONDUCTANCE AMPLIFIER (COMP)
FB Input Current
I FB
10
nA
FB Regulation Voltage
FB Line Regulation
Transconductance (from FB to
COMP)
V FB
D V LINE
g m
FB connected to an external resistive
divider; 0 ° C < T A < +125 ° C
FB connected to an external resistive
divider; -40 ° C < T A < +125 ° C
6V < V SUP < 36V
V FB = 1V, V BIAS = 5V (Note 2)
0.99
0.985
1.0
1.0
0.02
900
1.01
1.015
V
%/V
F S
Minimum On-Time
t ON_MIN
80
ns
Maximum Duty Cycle
DC MAX
f SW = 2.2MHz
f SW = 1MHz
98
99
%
OSCILLATOR FREQUENCY
Oscillator Frequency
R FOSC = 12k I
2.05
2.20
2.35
MHz
EXTERNAL CLOCK INPUT (FSYNC)
FSYNC Input Current
External Input Clock Acquisition
Time
External Input Clock Frequency
t FSYNC
T A at +25 ° C
(Note 2)
f OSC +
10%
1
1
F A
Cycles
Hz
External Input Clock
High Threshold
V FSYNC_HI
V FSYNC rising
1.4
V
Maxim Integrated
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16977SAUE/V+ | 功能描述:直流/直流开关转换器 36V 2.2MHz Step Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16977SAUE/V+T | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16977SAUE+ | 制造商:Maxim Integrated Products 功能描述:36V, 2A, 2.2MHZ STEP-DOWN CONVERTER WITH LOW OPERATING CURRE - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC REG BUCK SYNC 5V/ADJ 16TSSOP |
| MAX16977SAUE+T | 制造商:Maxim Integrated Products 功能描述:36V, 2A, 2.2MHZ STEP-DOWN CONVERTER WITH LOW OPERATING CURRE - Tape and Reel |
| MAX1697REUT | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
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