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参数资料
| 型号： | MC33261 |
| 厂商： | Motorola, Inc. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | POWER FACTOR CONTROLLERS |
| 中文描述： | 功率因数控制器 |
| 文件页数： | 3/12页 |
| 文件大小： | 309K |
| 代理商： | MC33261 |
MC34261 MC33261
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = 12 V, for typical values TA = 25
°
C, for min/max values TA is the operating ambient
temperature range that applies [Note 3], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
CURRENT SENSE COMPARATOR
Input Bias Current (VPin 4 = 0 V)
Input Offset Voltage (VPin 2 = 1.1 V, VPin 3 = 0 V)
Delay to Output
IIB
VIO
–
–0.5
–2.0
μ
A
–
3.5
15
mV
tPHL (in/out)
–
200
400
ns
DRIVE OUTPUT
Output Voltage (VCC = 12 V)
Low State
Low State
High State
High State
(ISink = 20 mA)
(ISink = 200 mA)
(ISource = 20 mA)
(ISource = 200 mA)
VOL
VOH
–
1.8
9.8
7.8
0.3
2.4
10.3
8.3
0.8
3.3
–
8.8
V
Output Voltage (VCC = 30 V)
High State (ISource = 20 mA, CL = 15 pF)
VO(max)
14
16
18
V
Output Voltage Rise Time (CL = 1.0 nF)
Output Voltage Fall Time (CL = 1.0 nF)
Output Voltage with UVLO Activated (VCC = 7.0 V, ISink = 1.0 mA)
tr
tf
–
50
120
ns
–
50
120
ns
VOH(UVLO)
–
0.2
0.8
V
RESTART TIMER
Restart Time Delay
tDLY
150
400
–
μ
s
UNDERVOLTAGE LOCKOUT
Startup Threshold (VCC Increasing)
Minimum Operating Voltage After Turn–On (VCC Decreasing)
Hysteresis
Vth
9.2
10.0
10.8
V
VShutdown
VH
7.0
8.0
9.0
V
1.75
2.0
2.5
V
TOTAL DEVICE
Power Supply Current
Startup (VCC = 7.0 V)
Operating
Dynamic Operating (50 kHz, CL = 1.0 nF)
ICC
–
–
–
0.3
7.1
9.0
0.5
12
20
mA
Power Supply Zener Voltage
VZ
30
36
–
V
NOTES:
1.Maximum package power dissipation limits must be observed.
Pin 4 Threshold Voltage
VPin 3(VPin 2 – VFB)
3. Tlow=
–4
0
°
C for MC34261
3. Tlow
= –40
°
C for MC33261
Thigh= +70
°
C for MC34261
Thigh
= +85
°
C for MC33261
2. K =
,
C
V
1.0
1.5
,
C
V
VM, MULTIPLIER INPUT VOLTAGE (V)
–0.5
4.0
Figure 1. Current Sense Input Threshold
versus Multiplier Input
Figure 2. Current Sense Input Threshold
versus Multiplier Input
–0.12
VM, MULTIPLIER INPUT VOLTAGE (V)
–0.08
0
0.04
0.08
0.12
0
0.5
2.0
2.5
3.0
3.5
–0.04
0
3.0
–0.5
0.16
–0.02
2.5
2.0
1.5
1.0
0.5
0
0.14
0.12
0.10
0.08
0.06
0.04
0.02
See Figure 2
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