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参数资料
| 型号： | MAX16903RATB33/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 3.3V 1A 10TDFN |
| 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： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 3.5 V ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2.1MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
MAX16903
2.1MHz, High-Voltage, 1A Mini-Buck Converter
Typical Operating Characteristics (continued)
(V SUP = +14V, T A = +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
(SKIP MODE)
MAX16903 toc09
UNDERVOLTAGE PULSE (COLD CRANK)
MAX16903 toc10
500
STANDBY CURRENT
vs. LOAD CURRENT
I LOAD
1A/div
14V
3.5V
V SUP
10V/div
450
400
350
5V
5V
I LOAD = 100mA TO 1A TO 100mA
200μs/div
V OUT
200mV/div
AC-
COUPLED
PGOOD
5V/div
10ms/div
I LOAD = 500mA
V OUT
5V/div
PGOOD
5V/div
I LOAD
1A/div
300
250
200
150
100
50
0
0.01
0.10
1.00
I LOAD (mA)
Pin Configurations
TOP VIEW
BST
SUP
1
2
+
16 N.C.
15 EN
BST
1
+
10
EN
SUP
3
14 GND
SUP
2
9
GND
LX
4
MAX16903
13 BIAS
LX
PGND
OUTS
3
4
5
MAX16903
EP
8
7
6
BIAS
SYNC
PGOOD
LX
PGND
PGND
5
6
7
12 SYNC
11 PGOOD
10 N.C.
OUTS
8
EP
9
N.C.
TDFN
TSSOP
Pin Description
TDFN
1
PIN
TSSOP
1
NAME
BST
FUNCTION
Bootstrap Capacitor for High-Side Driver (0.1μF)
Voltage Supply Input. Connect a 4.7μF ceramic capacitor from SUP to PGND. Place the
2
2, 3
SUP
capacitor very close to the SUP pin. For the TSSOP-EP package, connect both SUP pins
together for proper operation.
6
3
4
4, 5
6, 7
LX
PGND
Buck Switching Node. LX is high impedance when the device is off. For the TSSOP package,
connect both LX pins together for proper operation.
Power Ground. For the TSSOP-EP package, connect both PGND pins together for proper
operation.
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16903RATB50/V+T | 功能描述:直流/直流开关转换器 2.1MHz Mini-Buck 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 |
| MAX16903RATB50+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX16903RATB50+T | 制造商:Maxim Integrated Products 功能描述:2.1MHZ, HIGH-VOLTAGE, 1A MINI-BUCK CONVERTER - Tape and Reel |
| MAX16903RATB50N+ | 制造商:Maxim Integrated Products 功能描述:2.1MHZ, HIGH-VOLTAGE, 1A MINI-BUCK CONVERTER - Rail/Tube |
| MAX16903RATB50N+T | 制造商:Maxim Integrated Products 功能描述:2.1MHZ, HIGH-VOLTAGE, 1A MINI-BUCK CONVERTER - Tape and Reel |
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