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参数资料
| 型号： | MAX16976AEE/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V/ADJ 0.6A 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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 ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 220kHz ~ 1MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-QSOP |
19-5802; Rev 0; 3/11
MAX16976
28V, 600mA Automotive Step-Down Converter
with Low Operating Current
General Description
The MAX16976 is a 600mA current-mode step-down
converter with an integrated high-side switch. The device
operates with input voltages from 3.5V to 28V while using
only 45 F A quiescent current at no load. The switching
frequency is adjustable from 220kHz to 1.0MHz by using
an external resistor, and can be synchronized to an exter-
nal clock. The device’s output voltage is pin-selectable to
a fixed 5V or adjustable from 1V to 10V using external
resistors. The wide input voltage range makes the device
ideal for automotive and industrial applications.
The device operates in skip mode for reduced current
consumption in light-load conditions. An adjustable
reset threshold helps keep microcontrollers alive down
to the lowest specified input voltage. Protection features
include cycle-by-cycle current limit, soft-start, overvolt-
age, and thermal shutdown with automatic recovery.
The device also features a power-good monitor to ease
power-supply sequencing.
Features
S Wide 3.5V to 28V Input Voltage Range
S 42V Input Transient Tolerance
S 5V Fixed or 1V to 10V Adjustable Output Voltage
S Integrated 600mA High-Side Switch
S 220kHz to 1.0MHz Adjustable Switching Frequency
S Frequency Synchronization Input
S Internal Boost Diode
S 45μA Skip-Mode Operating Current
S Less than 10μA Shutdown Current
S Adjustable Power-Good Output Level and Timing
S 3.3V Logic Level to 42V Compatible Enable Input
S Current-Limit, Thermal Shutdown, and
Overvoltage Protection
S -40°C to +125°C Automotive Temperature Range
The device operates over the -40 ° C to +125 ° C auto-
motive temperature range, and is available in a 16-pin
QSOP package.
Automotive
Applications
Industrial
Ordering Information appears at end of data sheet.
Typical Application Circuit
3.5V TO 28V
C IN1
47μF
C COMP1
5600pF
R COMP
12k I
C IN2
4.7μF
C COMP2
OPEN
C IN3
0.1μF
R FOSC
61.9k I
SUP
EN
FSYNC
COMP
FOSC
SUPSW
BST
LX
OUT
MAX16976 RESETI
FB
C BST
0.1μF
V OUT
D1
V BIA S
R RES
10k I
L1
22μH
V OUT = 1.25V AT
600mA AT 400kHz
R FB1 C OUT1
25k I 47μF
R FB2
100k I
C OUT2
47μF
C BIAS
1μF
C CRES
1nF
BIAS
CRES
GND
RES
PLACE C IN3 (0.1μF) RIGHT NEXT TO SUP.
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX16976.related
????????????????????????????????????????????????????????????????? Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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| MAX16977EVKIT# | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter with Low Operating Current 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 |
| MAX16977RATE/V+ | 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 |
| MAX16977RATE/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 |
| MAX16977RATE+ | 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 16TQFN 制造商:Maxim Integrated Products 功能描述:Voltage Regulators - Switching Regulators 36V 2.2MHz SD Cnvtr 2A w/ Low Op Crnt |
| MAX16977RATE+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 制造商:Maxim Integrated Products 功能描述:IC REG BUCK SYNC 5V/ADJ 16TQFN |
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