參數(shù)資料
型號: NCV33163P
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述: 2.5 A SWITCHING REGULATOR, 55 kHz SWITCHING FREQ-MAX, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 3/16頁
文件大?。?/td> 250K
代理商: NCV33163P
MC34163, MC33163
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(continued)
(V
CC
= 15 V, Pin 16 = V
CC
, C
T
= 620 pF, for typical values T
A
= 25
°
C, for min/max
values T
A
is the operating ambient temperature range that applies (Note 6), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
FEEDBACK COMPARATOR 2
Threshold Voltage
T
A
= 25
°
C
Line Regulation (V
CC
= 2.5 V to 40 V, T
A
= 25
°
C)
Total Variation over Line, and Temperature
V
th(FB2)
1.225
1.213
1.25
0.008
1.275
0.03
1.287
V
%/V
V
Input Bias Current (V
FB2
= 1.25 V)
I
IB(FB2)
– 0.4
0
0.4
μ
A
CURRENT LIMIT COMPARATOR
Threshold Voltage
T
A
= 25
°
C
Total Variation over V
CC
= 2.5 V to 40 V, and Temperature
V
th(Ipk Sense)
230
250
270
mV
Input Bias Current (V
Ipk (Sense)
= 15 V)
I
IB(sense)
1.0
20
μ
A
DRIVER AND OUTPUT SWITCH
(Note 5)
Sink Saturation Voltage (I
SW
= 2.5 A, Pins 14, 15 grounded)
Non–Darlington Connection (R
Pin 9
= 110
to V
CC
, I
SW
/I
DRV
20)
Darlington Connection (Pins 9, 10, 11 connected)
V
CE(sat)
0.6
1.0
1.0
1.4
V
Collector Off–State Leakage Current (V
CE
= 40 V)
I
C(off)
0.02
100
μ
A
Bootstrap Input Current Source (V
BS
= V
CC
+ 5.0 V)
I
source(DRV)
0.5
2.0
4.0
mA
Bootstrap Input Zener Clamp Voltage (I
Z
= 25 mA)
V
Z
V
CC
+ 6.0
V
CC
+ 7.0
V
CC
+ 9.0
V
LOW VOLTAGE INDICATOR
Input Threshold (V
FB2
Increasing)
V
th
1.07
1.125
1.18
V
Input Hysteresis (V
FB2
Decreasing)
V
H
15
mV
Output Sink Saturation Voltage (I
sink
= 2.0 mA)
V
OL(LVI)
0.15
0.4
V
Output Off–State Leakage Current (V
OH
= 15 V)
I
OH
0.01
5.0
μ
A
TOTAL DEVICE
Standby Supply Current (V
CC
= 2.5 V to 40 V, Pin 8 = V
CC
,
Pins 6, 14, 15 = Gnd, remaining pins open)
I
CC
6.0
10
mA
5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
6. T
low
= 0
°
C for MC34163
T
high
= + 70
°
C for MC34163
= – 40
°
C for MC33163
= + 85
°
C for MC33163
,
o
to
μ
100
C
T
, OSCILLATOR TIMING CAPACITOR (nF)
0.1
10
1.0
1.0
10
Figure 2. Output Switch On–Off Time
versus Oscillator Timing Capacitor
Figure 3. Oscillator Frequency Change
versus Temperature
2.0
-55
T
A
, AMBIENT TEMPERATURE (
°
C)
fO
0
-2.0
-4.0
-6.0
-25
0
25
50
75
100
125
1
2
3
4
5
V
CC
= 15 V
C
T
= 620 pF
V
CC
= 15 V
T
A
= 25
°
C
1)t
on
, R
DT
=
2)t
on
, R
DT
= 20 k
3)t
on
, t
off
, R
DT
= 10 k
4)t
off
, R
DT
= 20 k
5)t
off
, R
DT
=
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