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参数资料
| 型号： | MAX1688ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 2.5A 8SOIC |
| 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： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 6 V |
| 输入电压： | 2.7 V ~ 6 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 2.5A |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
Step-Up DC-DC Converters with
Precise, Adaptive Current Limit for GSM
ELECTRICAL CHARACTERISTICS
(V IN = V ON = +3V, V LIM = 1V (MAX1687), V CHG = 1V (MAX1688), V FB = 1.5V, V OUT = 6V, T A = -40°C to +85°C , unless otherwise noted.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
2.7
6
V
Input Undervoltage Lockout
IN rising, 1% hysteresis
2.35
2.65
V
Output Voltage Range
I IN
V FB = 1.5V
V REF
6
5
V
mA
Input Supply Current
Shutdown Delay
I SHDN
T DELAY
Shutdown V IN = 4.2V, LX2 connected to LX1,
V OUT = 0, ON = GND
0.6
10
2
μA
ms
Reference Voltage
FB Set Voltage
FB Transconductance
Peak Current
Ripple Current
Sense Resistor
V REF
gm FB
I PEAK
I RIPPLE
R SENSE
I REF = 0 to 10μA
FB rising, 2% hysteresis
V FB = 1.125V, V OUT = 3V (MAX1688)
V LIM = V CHG = 1V
V LIM = V CHG = 0.65V
V LIM = V CHG = 1V
1.212
1.20
0.16
0.73
0.44
145
1.288
1.30
0.24
0.90
0.57
240
0.18
V
V
mmho
A
mA
?
ON Input Low Voltage
ON Input High Voltage
N-Channel On-Resistance
P-Channel On-Resistance
Precharge On-Resistance
V IL
V IH
V IN = 2.7V
V IN = 6V
V IN = 4.2V
V IN = 2.7V
V IN = 2.7V
V IN = 4V, V FB = 0, V OUT = 0
1.8
1.5
0.6
0.8
0.7
70
V
V
?
?
?
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
Typical Operating Characteristics
(V IN = +3.3V, V OUT = 5V, V LIM = 1V, Figures 6b and 7, T A = +25°C, unless otherwise noted.)
95
EFFICIENCY vs. DC LOAD CURRENT
(V OUT = 5.5V)
95
EFFICIENCY vs. GSM BURST LOAD
(V OUT = 5.5V)
100
EFFICIENCY vs. LOAD CURRENT
(V IN = 2.7V, V OUT = 3.3V)
90
85
V IN = 5V
90
85
V IN = 5V
95
90
85
80
V IN = 3.3V
80
V IN = 3.3V
80
75
75
70
65
60
V IN = 2.7V
V IN = 6V
70
65
60
V IN = 2.7V
V IN = 6V
75
70
65
60
0
50
100
150
200
250
300
350
0
500
1000
1500
2000
2500
3000
0
50
100
150
200
250
300
350
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
_______________________________________________________________________________________
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1688EUE | 功能描述:直流/直流开关转换器 StepUp w/Prec Adapt Crnt Limit for GSM 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 |
| MAX1688EUE+ | 功能描述:直流/直流开关转换器 StepUp w/Prec Adapt Crnt Limit for GSM 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 |
| MAX1688EUE+T | 功能描述:直流/直流开关转换器 StepUp w/Prec Adapt Crnt Limit for GSM 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 |
| MAX1688EUE-T | 功能描述:直流/直流开关转换器 StepUp w/Prec Adapt Crnt Limit for GSM 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 |
| MAX1688EUE-T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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