参数资料
型号: MAX685ETG+
厂商: Maxim Integrated Products
文件页数: 3/11页
文件大小: 0K
描述: IC REG BOOST INV ADJ 10MA 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
类型: 升压(升压),反相
输出类型: 可调式
输出数: 2
输出电压: -9 V ~ 24 V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 220kHz,400kHz
电流 - 输出: 10mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 24-TQFN-EP(4x4)
Dual-Output (Positive and Negative),
DC-DC Converter for CCD and LCD
ELECTRICAL CHARACTERISTICS (continued)
(V DD = VP = 5V, T A = 0°C to +85°C unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SYNC INPUT
Sync Frequency Range (external)
200
480
kHz
Oscillator Frequency (internal)
SYNC = GND
SYNC = V DD
175
320
220
400
265
480
kHz
POK COMPARATORS
FBP POK Threshold
FBN POK Threshold
POK Output Low Voltage
POK Output Off Current
FBP rising
FBN falling
I POK = 2mA
V POK = 10V
1.090
54
1.122
79
1.150
108
0.4
1
V
mV
V
μA
ELECTRICAL CHARACTERISTICS
(V DD , VP = 5V, T A = -40°C to +85°C unless otherwise noted.) (Note 2)
PARAMETER
Input Voltage Range
Positive Output Voltage Range
Negative Output Voltage Range
V DD = VP
V DD = 5.5V (Note 1)
CONDITIONS
MIN
2.7
VP
-9
MAX
5.5
24
-1.27
UNITS
V
V
V
Maximum Output Current
Idle Quiescent Current
V IN = 4.5V, V OUT+ ≥ 14.25V, V OUT- ≤ -7.125V,
Figure 3
SYNC = GND
10
500
mA
μA
SHUTDOWN
Shutdown Supply Current
SYNC = SEQ = SHDN = GND
10
μA
UNDERVOLTAGE LOCKOUT
UVLO Threshold
V DD = rising
2.35
2.65
V
FB INPUTS AND REFERENCE VOLTAGE
FBP Threshold Voltage
FBN Threshold Voltage
VREF Output Voltage
No load
No load
No load
1.205
-20
1.225
1.275
40
1.275
V
mV
V
LOGIC INPUTS (SEQ, SHDN , SYNC )
Logic-Low Input
Logic-High Input
2.7V < V DD ≤ 5.5V
2.7V < V DD ≤ 5.5V
0.7 x V DD
0.3 x V DD
V
V
POK COMPARATORS
FBP POK Threshold
FBN POK Threshold
FBP rising
FBN falling
1.090
54
1.150
108
V
mV
Note 1: Negative output voltage can be larger magnitude for lower values of V DD . The voltage between V DD and V OUT- must not
exceed 14.5V.
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
_______________________________________________________________________________________
3
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