参数资料
型号: MAX1802EHJ+T
厂商: Maxim Integrated Products
文件页数: 3/28页
文件大小: 0K
描述: IC PWR SPLY STEP DOWN 32-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,数字式相机
输入电压: 2.5 V ~ 11 V
输出数: 5
输出电压: 1.25 V ~ 5.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(5x5)
包装: 带卷 (TR)
Digital Camera Step-Down
Power Supply
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V VDDM = 6V, V VDDC = 3V, PGNDM = PGND = GND, DCON1 = REF, V ONM = 3V, V ONC = V ON1 = V DCON2 =
V DCON3 = 0, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Reference Output Voltage
REF Load Regulation
REF Line Rejection
REF Undervoltage Lockout
Threshold
V REF
I REF = 20 μ A
10 μ A < I REF < 200 μ A
2.7V < V OUT < 5.5V
REF rising, 20mV hysteresis
1.235
0.9
1.248
5
1
1
1.260
9
5
1.1
V
mV
mV
V
OSCILLATOR
OSC Discharge Trip Level
OSC Input Bias Current
OSC Discharge Resistance
OSC rising
V OSC = 1.1V
V OSC = 1.5V
1.225
1.250
0.2
30
1.275
100
100
V
nA
?
OSC Discharge Pulse Width
LOGIC INPUTS (ONM, ONC, ON1)
100
ns
Input Low Level
V IL
0.4
V
Input High Level
V IH
ONM
ONC, ON1
1.8
1.6
V
Input Leakage Current
ONM: V IN = 0 or 11V;
ONC, ON1: V IN = 0 or 5V
0.01
1
μ A
MAIN DC-DC CONVERTER
Main Output Voltage Adjust
Range
V OUT
2.7
5.5
V
Main Idle Mode ? Threshold
V OSC = 0.625V, measured between VDDM
and LXM
8
20
32
mV
Main Current-Sense Amplifier
Voltage Gain
A VCSM
Measured between VDDM and LXM
8.4
9.3
10.2
V/V
Main N Channel Turn-Off
Threshold
Main Slope Compensation
Gain
A VSWM
Measured between LXM and PGNDM
-26
0.16
-17
0.20
-8
0.24
mV
V/V
MAIN ERROR AMPLIFIER
FBM Regulation Voltage
Unity gain configuration, FBM = COMPM
1.233
1.248
1.263
V
FBM to COMPM
Transconductance
FBM Input Leakage Current
G EA
Unity gain configuration, FBM = COMPM,
-5 μ A < I LOAD < 5 μ A
V FBM = 1.35V
70
100
5
160
100
μ S
nA
COMPM Minimum Output
Voltage
V FBM = 1.35V, COMPM open
0.3
V
COMPM Maximum Output
Voltage
V COMPM(MAX)
V FBM = 1.15V, COMPM open
2.00
2.14
2.27
V
Idle Mode is a trademark of Maxim Integrated Products.
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