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参数资料
| 型号： | MCP1631VHV-500E/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 8/34页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR ISO PWM VM 20-TSSOP |
| 标准包装： | 74 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 2MHz |
| 占空比： | 10% |
| 电源电压： | 3.5 V ~ 16 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 668 (CN2011-ZH PDF) |
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MCP1631/HV/MCP1631V/VHV
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise noted, V IN = 3.0V to 5.5V, F OSC = 1 MHz with 10% Duty Cycle, C IN = 0.1 μF,
V DD for typical values = 5.0V, T A for typical values = +25°C, T A = -40°C to +125°C for all minimum and maximums.
Parameters
Line Regulation
Load Regulation
Dropout Voltage
Output Delay Time
Sym
Δ V OUT /
(V OUT X Δ
V IN )
Δ V OUT /
V OUT
V DROPOUT
T DELAY
Min
-0.3
-2.5
—
—
—
Typ
±0.1
±1.0
330
525
1000
Max
+0.3
+2.5
650
725
—
Units
%/V
%
mV
mV
μs
Conditions
(V OUT(MAX) + V DROPOUT(MAX) ) ≤
I L = 250 mA, V R = 5.0V
I L = 250 mA, V R = 3.3V
V IN = 0V to 6V, V OUT = 90% V R ,
R L = 50 ? resistive
Output Noise
e N
—
8
—
μV/ I L = 50 mA, f = 1 kHz, C OUT =
(Hz) 1/2 1 μF
Power Supply Ripple Rejection
Ratio
PSRR
—
44
—
dB
f = 100 Hz, C OUT = 1 μF,
I L = 100 μA,
V INAC =100 mV pk-pk,
C IN = 0 μF, V R = 1.2V
Protection Features
Thermal Shutdown
Thermal Shutdown Hysteresis
T SHD
T SHD_HYS
—
—
150
18
—
—
°C
°C
Note 1:
2:
3:
4:
5:
External Oscillator Input (OSC IN ) rise and fall times between 10 ns and 10 μs were determined during device
characterization testing. Signal levels between 0.8V and 2.0V with rise and fall times measured between 10% and 90%
of maximum and minimum values. Not production tested. Additional timing specifications were fully characterized and
specified that are not production tested.
The minimum V IN must meet two conditions: V IN ≥ 3.5V and V IN ≥ (V OUT(MAX) + V DROPOUT(MAX) ).
TCV OUT = (V OUT-HIGH - V OUT-LOW ) *10 6 / (V R * Δ Temperature), V OUT-HIGH = highest voltage measured over the
temperature range. V OUT-LOW = lowest voltage measured over the temperature range.
Load regulation is measured at a constant junction temperature using low duty cycle pulse testing. Changes in output
voltage due to heating effects are determined using thermal regulation specification TCV OUT .
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its measured
value with an applied input voltage of V OUT(MAX) + V DROPOUT(MAX) or 3.5V, whichever is greater.
TEMPERATURE SPECIFICATIONS
Electrical Specifications: Unless otherwise indicated, all limits are specified for: V IN + 3.0V to 5.5V
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Operating Junction Temperature
Range
Storage Temperature Range
Maximum Junction Temperature
T J
T A
T J
-40
-65
—
—
—
—
+125
+150
+150
°C
°C
°C
Steady State
Transient
Package Thermal Resistances
Thermal Resistance, 20L-TSSOP
Thermal Resistance, 20L-SSOP
Thermal Resistance, 20L-QFN
θ JA
θ JA
θ JA
—
—
—
90
89.3
43
—
—
—
°C/W
°C/W
°C/W
Typical 4 Layer board with
interconnecting vias
Typical 4 Layer board with
interconnecting vias
Typical 4 Layer board with
interconnecting vias
DS22063B-page 8
? 2008 Microchip Technology Inc.
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