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參數(shù)資料
| 型號： | UC1527B |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Regulating Pulse Width Modulators |
| 中文描述： | 調(diào)節(jié)脈沖寬度調(diào)制器 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 653K |
| 代理商： | UC1527B |
4
UC1525B UC1527B
UC2525B UC2527B
UC3525B UC3527B
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for T
A
= –55°C to +125°C for the
UC1525B and UC1527B; –40°C to +85°C for the UC2525B and UC2527B; 0°C to +70°C for the UC3525B and UC3527B; +VIN =
20V, T
A
= T
J
.
PARAMETER
TEST CONDITIONS
UC1525B/UC2525B
UC1527B/UC2527B
MIN
TYP
UC3525B
UC3527B
TYP
MAX
MIN
MAX
UNITS
Output Drivers (Each Output) (VC = 20V) (cont.)
Rise Time (Note 2)
Fall Time (Note 2)
Cross conduction charge
Total Standby Current
Supply Current
C
L
= 1nF, T
J
= 25°C
C
L
= 1nF, T
J
= 25°C
Per cycle, T
J
= 25°C
100
50
30
600
300
100
50
30
600
300
ns
ns
nc
VIN = 35V
14
20
14
20
mA
Note 2: Ensured by design. Not 100% tested in production.
Note 3: Tested at fosc= 40kHz (R
T
= 3.6K , C
T
= 0.01 F, R
D
= 0 ). Approximate oscillator frequency is defined by:
(
)
f
C
R
R
T
T
D
=
+
1
07
.
3
UDG-95056
UDG-95057
PRINCIPLES OF OPERATION AND TYPICAL CHARACTERISTICS
UC1525B Output Circuit (1/2 Circuit Shown)
UC1525B Output Saturation Characteristics
For
grounded. The VC terminal is switched to ground by the to-
tem-pole source transistors on alternate oscillator cycles.
single-ended
supplies,
the
driver
outputs
are
In conventional push-pull bipolar designs, forward base
drive is controlled by R1-R3. Rapid turn-off times for the
power devices are achieved with speed-up capacitors C,
and C2.
UDG-95059
UDG-95058
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC2527B | Regulating Pulse Width Modulators |
| UC1634 | Phase Locked Frequency Controller |
| UC2634 | Phase Locked Frequency Controller |
| UC1825JQMLV | High Speed PWM Controller |
| UC1825LQMLV | High Speed PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC1527BDW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC1527BJ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC1527BL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC1527BN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC1527BQ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
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