參數(shù)資料
型號： MC34262D
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： POWER FACTOR CONTROLLERS
中文描述： 0.5 A POWER FACTOR CONTROLLER, PDSO8
封裝： PLASTIC, SOIC-8
文件頁數(shù)： 3/16頁
文件大小： 393K
代理商： MC34262D
MC34262 MC33262
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = 12 V (Note 2), 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)
Maximum Current Sense Input Threshold (Note 5)
IIB
VIO
—
– 0.15
–1.0
μ
A
—
9.0
25
mV
Vth(max)
tPHL(in/out)
1.3
1.5
1.8
V
Delay to Output
—
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
—
—
9.8
7.8
0.3
2.4
10.3
8.4
0.8
3.3
—
—
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
VO(UVLO)
—
0.1
0.5
V
RESTART TIMER
Restart Time Delay
tDLY
200
620
—
μ
s
UNDERVOLTAGE LOCKOUT
Startup Threshold (VCC Increasing)
Minimum Operating Voltage After Turn–On (VCC Decreasing)
Hysteresis
Vth(on)
VShutdown
VH
11.5
13
14.5
V
7.0
8.0
9.0
V
3.8
5.0
6.2
V
TOTAL DEVICE
Power Supply Current
Startup (VCC = 7.0 V)
Operating
Dynamic Operating (50 kHz, CL = 1.0 nF)
Power Supply Zener Voltage (ICC = 25 mA)
ICC
—
—
—
0.25
6.5
9.0
0.4
12
20
mA
VZ
30
36
—
V
NOTES:
1.Maximum package power dissipation limits must be observed.
2.Adjust VCC above the startup threshold before setting to 12 V.
3. Tlow= 0
°
C for MC34262
3. Tlow
= – 40
°
C for MC33262
Pin 4 Threshold
VPin 3 (VPin 2 – Vth(M))
5.This parameter is measured with VFB = 0 V, and VPin 3 = 3.0 V.
4. K =
Thigh= + 85
°
C for MC34262
Thigh
= +105
°
C for MC33262
1.4
– 0.2
3.8
0.6
VM, MULTIPLIER PIN 3 INPUT VOLTAGE (V)
2.2
3.0
VPin 2 = 2.0 V
VCC = 12 V
TA = 25
°
C
,
C
V
,
C
V
Figure 1. Current Sense Input Threshold
versus Multiplier Input
– 0.12
VM, MULTIPLIER PIN 3 INPUT VOLTAGE (V)
– 0.06
0.06
0.12
0.18
0.24
0
VCC = 12 V
TA = 25
°
C
Figure 2. Current Sense Input Threshold
versus Multiplier Input, Expanded View
0.2
0
1.6
0.08
1.4
1.2
1.0
0.8
0.6
0.4
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
VPin 2 = 3.75 V
VPin 2 = 3.5 V
VPin 2 = 2.25 V
VPin 2 = 2.5 V
VPin 2 = 2.75 V
VPin 2 = 3.0 V
VPin 2 = 2.25 V
VPin 2 = 2.5 V
VPin 2 = 3.75 V
VPin 2 = 3.5 V
VPin 2 = 2.75 V
VPin 2 = 2.0 V
VPin 2 = 3.25 V
VPin 2 = 3.0 V
VPin 2 = 3.25 V
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