参数资料
型号: TL594CDR2
厂商: ON Semiconductor
文件页数: 2/12页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16-SOIC
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 2,500
系列: SWITCHMODE™
PWM 型: 电压模式
输出数: 1
频率 - 最大: 300kHz
占空比: 50%
电源电压: 7 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
TL594
RECOMMENDED OPERATING CONDITIONS
Characteristics
Power Supply Voltage
Collector Output Voltage
Collector Output Current (Each transistor)
Amplified Input Voltage
Current Into Feedback Terminal
Reference Output Current
Timing Resistor
Timing Capacitor
Oscillator Frequency
PWM Input Voltage (Pins 3, 4, 13)
Symbol
V CC
V C1 , V C2
I C1 , I C2
V in
l fb
l ref
R T
C T
f osc
?
Min
7.0
?
?
0.3
?
?
1.8
0.0047
1.0
0.3
Typ
15
30
?
?
?
?
30
0.001
40
?
Max
40
40
200
V CC ? 2.0
0.3
10
500
10
300
5.3
Unit
V
V
mA
V
mA
mA
k W
m F
kHz
V
ELECTRICAL CHARACTERISTICS (V CC = 15 V, C T = 0.01 m F, R T = 12 k W , unless otherwise noted.)
For typical values T A = 25 ° C, for min/max values T A is the operating ambient temperature range that applies, unless otherwise noted.
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Voltage
(I O = 1.0 mA, T A = 25 ° C)
(I O = 1.0 mA)
Line Regulation (V CC = 7.0 V to 40 V)
Load Regulation (I O = 1.0 mA to 10 mA)
Short Circuit Output Current (V ref = 0 V)
V ref
Reg line
Reg load
I SC
4.925
4.9
?
?
15
5.0
?
2.0
2.0
40
5.075
5.1
25
15
75
V
mV
mV
mA
OUTPUT SECTION
Collector Off?State Current (V CC = 40 V, V CE = 40 V)
Emitter Off?State Current (V CC = 40 V, V C = 40 V, V E = 0 V)
I C(off)
I E(off)
?
?
2.0
?
100
?100
m A
m A
Collector?Emitter Saturation Voltage (Note 1)
V
Common?Emitter (V E = 0 V, I C = 200 mA)
Emitter?Follower (V C = 15 V, I E = ?200 mA)
V SAT(C)
V SAT(E)
?
?
1.1
1.5
1.3
2.5
Output Control Pin Current
Low State (V OC ≤ 0.4 V)
High State (V OC = V ref )
I OCL
I OCH
?
?
0.1
2.0
?
20
m A
Output Voltage Rise Time
t r
ns
Common?Emitter (See Figure 13)
Emitter?Follower (See Figure 14)
Output Voltage Fall Time
Common?Emitter (See Figure 13)
Emitter?Follower (See Figure 14)
t f
?
?
?
?
100
100
40
40
200
200
100
100
ns
ERROR AMPLIFIER SECTION
Input Offset Voltage (V O (Pin 3) = 2.5 V)
Input Offset Current (V O (Pin 3) = 2.5 V)
Input Bias Current (V O (Pin 3) = 2.5 V)
Input Common Mode Voltage Range (V CC = 40 V, T A = 25 ° C)
Inverting Input Voltage Range
Open Loop Voltage Gain ( D V O = 3.0 V, V O = 0.5 V to 3.5 V, R L = 2.0 k W )
Unity?Gain Crossover Frequency (V O = 0.5 V to 3.5 V, R L = 2.0 k W )
Phase Margin at Unity?Gain (V O = 0.5 V to 3.5 V, R L = 2.0 k W )
Common Mode Rejection Ratio (V CC = 40 V)
Power Supply Rejection Ratio ( D V CC = 33 V, V O = 2.5 V, R L = 2.0 k W )
Output Sink Current (V O (Pin 3) = 0.7 V)
Output Source Current (V O (Pin 3) = 3.5 V)
V IO
I IO
I IB
V ICR
V IR(INV)
A VOL
f C
φ m
CMRR
PSRR
I O ?
I O +
?
?
?
70
?
?
65
?
0.3
?2.0
2.0
5.0
?0.1
0 to V CC ?2.0
?0.3 to V CC ?2.0
95
700
65
90
100
0.7
?4.0
10
250
?1.0
?
?
?
?
?
?
?
mV
nA
m A
V
V
dB
kHz
deg.
dB
dB
mA
mA
1. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
http://onsemi.com
2
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