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| 型号： | MAX629ESA-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG +/-28V 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），反相，回扫，Sepic |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | ±28V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 无 |
| 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 |
28V, Low-Power, High-Voltage,
Boost or Inverting DC-DC Converter
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +5V, C REF = 0.1μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
REF Load Regulation
Line Regulation
Load Regulation
Thermal Shutdown Threshold
CONDITIONS
I REF = 0μA to 100μA, C REF = 0.47μF (Note 3)
Circuit of Figure 2, V OUT = 24V, V CC = 3V to 5.5V,
I LOAD = 5mA
Circuit of Figure 2, V OUT = 24V, V CC = 5V,
I LOAD = 0mA to 5mA
Die temperature
MIN
TYP
10
0.2
0.15
150
MAX
25
UNITS
mV
%/V
%
°C
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
Note 2: The IC itself requires a supply voltage between +2.7V and +5.5V; however, the voltage that supplies power to the inductor
can vary from 0.8V to 28V, depending on circuit operating conditions.
Note 3: For reference currents less than 10μA, a 0.1μF reference-bypass capacitor is adequate.
__________________________________________Typical Operating Characteristics
( SHDN = V CC , C REF = 0.1μF, T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(V OUT = +24V)
EFFICIENCY vs. LOAD CURRENT
(V OUT = +12V)
MAXIMUM LOAD CURRENT vs.
INPUT VOLTAGE (V OUT = +24V, +12V)
100
95
90
85
80
V OUT = 24V
A: V IN = 12V, ISET = V CC
B: V IN = 12V, ISET = GND
C: V IN = 5V, ISET = V CC
D
C
A
B
100
95
90
85
80
A
B
C
300
250
200
150
A: V OUT = 12V,
ISET = V CC
B: V OUT = 12V,
ISET = GND
C: V OUT =24V,
ISET = V CC
D: V OUT = 24V,
ISET = GND
A
B
C
75
E, F
75
V OUT = 12V,
100
70
65
D: V IN = 5V, ISET = GND
E: V IN = 3V, ISET = V CC
F: V IN = 3V, ISET = GND
70
65
ISET = V CC or GND
A: V IN = 9V
B: V IN = 5V
C: V IN = 3V
50
D
60
60
0
0.1
1
10
100
0.1
1
10
100
0
4
8
12
16
20
LOAD CURRENT (mA)
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
100
95
90
EFFICIENCY vs. LOAD CURRENT
(V OUT = -18V)
100
95
90
EFFICIENCY vs. LOAD CURRENT
(V OUT = -12V)
MAXIMUM LOAD CURRENT vs. INPUT VOLTAGE
(V OUT = -18V, -12V)
90
A
80
70
85
A
85
60
B
80
75
70
65
60
55
50
0.1
B
C
D
A: V IN = 12V, ISET = V CC
B: V IN = 12V, ISET = GND
C: V IN = 5V, ISET = V CC or GND
D: V IN = 3V, ISET = V CC or GND
1 10
100
80
75
70
65
60
55
50
0.1
1
A
B, C
D
A = V IN = 5V, ISET = V CC
B = V IN = 5V, ISET = GND
C = V IN = 3V, ISET = V CC
D = V IN = 3V, ISET = GND
10
100
50
40
30
20
10
0
0
4
C
A: V OUT = -12V, ISET = V CC
B: V OUT = -18V, ISET = V CC
C: V OUT = -12V, ISET = GND
D: V OUT = -18V, ISET = GND
D
8 12 16
20
LOAD CURRENT (mA)
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
_______________________________________________________________________________________
3
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