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参数资料
| 型号： | MAX1763EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 3.3V/ADJ 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，2.5 V ~ 5.5 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°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 |
1.5A, Low-Noise, 1MHz, Step-Up
DC-DC Converter
UNDERVOLTAGE LOCKOUT
OUT
IC POWER
CONTROLLER
POUT
2.15V
EN
STARTUP
OSCILLATOR
Q
D
Q
P
LX
ONA
ON
RDY
EN
ONB
REF
1.25V
REF
REFERENCE
EN
1MHz
OSC
Q
N
GND
CLK/SEL
OSCILLATOR
MODE
PGND
DUAL
FB
MODE/
FB
FB
ISET
ISET
AIN
GAIN
BLOCK
MAX1763
N
AO
0.938V
Figure 1. Functional Diagram
Table 1. Typical Available Output Current
V IN
0.7V TO 5.5V
NUMBER
OF CELLS
INPUT
VOLTAGE
(V)
OUTPUT
VOLTAGE
(V)
OUTPUT
CURRENT
(mA)
L1
1.5 μ H
C1
47 μ F
1 NiCd/NiMH
2 NiCd/NiMH
1 Li+
1 Li+
3 NiCd/NiMH
1.2
2.4
2.4
2.7 (min)
2.7 (min)
3.6
3.3
3.3
5.0
3.3
5.0
5.0
675
1500
950
1300
1100
1600
CLK/SEL
ONA
MAX1763
ONB
ISET
LX
POUT
OUT
AIN
AO
MBR0520L
D1
R5
4.7 Ω
C2
1.0 μ F
OUT
3.3V
C4
2 x 100 μ F
In its normal mode of operation (CLK/SEL = low), the
MAX1763 offers fixed-frequency PWM operation through
most of its load range. At light loads (less than 25% of full
C3
0.22 μ F
REF
PGND
GND
FB
load), the device automatically optimizes efficiency by
switching only as needed to supply the load. Shutdown
reduces quiescent current to just 1μA. Figure 2 shows
the standard application circuit for the MAX1763. (An
external Schottky diode is needed for output voltages
greater than 4V, or to assist low-voltage startup.)
Additional features include synchronous rectification for
high efficiency and increased battery life, and a gain
block that can be used to build a linear regulator using
an external P-channel MOSFET pass device. This gain
NOTE: HEAVY LINES INDICATE HIGH-CURRENT PATHS.
Figure 2. PFM/PWM Automode Connection
block can also function as a voltage-monitoring com-
parator. The MAX1763 is available in a 16-pin QSOP
package or a 1.5W 16-pin TSSOP-EP package for high-
temperature or high-dissipation applications.
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1763EUE | 功能描述:直流/直流开关转换器 1.5A Low-Noise 1MHz Step-Up 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 |
| MAX1763EUE+ | 功能描述:直流/直流开关转换器 1.5A Low-Noise 1MHz Step-Up 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 |
| MAX1763EUE+T | 功能描述:直流/直流开关转换器 1.5A Low-Noise 1MHz Step-Up 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 |
| MAX1763EUE+TG069 | 制造商:Maxim Integrated Products 功能描述: |
| MAX1763EUE-T | 功能描述:直流/直流开关转换器 1.5A Low-Noise 1MHz Step-Up 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 |
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