參數(shù)資料
型號： TL499
廠商： Texas Instruments, Inc.
英文描述： WIDE-RANGE POWER-SUPPLY CONTROLLERS
中文描述： 寬范圍電源控制器
文件頁數(shù)： 4/8頁
文件大?。?/td> 114K
代理商： TL499
TL499A
WIDE-RANGE POWER-SUPPLY CONTROLLERS
SLVS029F – JANUARY 1984 – REVISED MAY 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL499AC
TYP
UNIT
MIN
MAX
Voltage deviation (see Note 5)
20
30
mV/V
Switching regulator
TA = –20
°
C to 70
°
C
1.2
Dropout voltage
1.9
V
Series regulator
VI1 = 15 V,
VI2 = 5 V,
IO = 50 mA
VO = 3 V,
1.8
Reference voltage (internal)
IO = 1 mA
1.2
1.26
1.32
V
Reference-voltage change with temperature
5
10
mV/V
Output regulation (of reference voltage)
IO = 1 mA to 50 mA
VI2 = 1.1 V,
VI2 = 1.5 V,
VI2 = 6 V,
10
30
mV/V
VO = 12 V,
VO = 15 V,
VO = 30 V,
RCL = 150
,
RCL = 150
,
RCL = 150
,
TA = 25
°
C
TA = 25
°
C
TA = 25
°
C
10
Output current
(see Figure 1)
Switching regulator
15
mA
65
Series regulator
100
Standby current
Switching regulator
Series regulator
VI2 = 3 V,
VI1 = 15 V,
VO = 9 V,
VO = 9 V,
TA = 25
°
C
RE2 = 4.7 k
15
0.8
80
1.2
μ
A
mA
NOTE 5: Voltage deviation is the output voltage difference that occurs in a change from series regulation to switching regulation:
Voltage deviation
V
O
series regulation
V
O
switching regulation
electrical characteristics over recommended operating conditions, T
A
= 25
°
C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
TL499AY
TYP
UNIT
MIN
MAX
Voltage deviation (see Note 5)
20
30
mV/V
Switching regulator
TA = –20
°
C to 70
°
C
TA = –20
°
C to 85
°
C
VI1 = 15 V,
VI2 = 5 V,
TA = –20
°
C to 85
°
C
IO = 1 mA to 50 mA
VI2 = 1.1 V,
VI2 = 1.5 V,
VI2 = 6 V,
1.2
Dropout voltage
1.9
V
Series regulator
IO = 50 mA
VO = 3 V,
1.8
Reference voltage (internal)
IO = 1 mA
1.2
1.26
1.32
V
Reference-voltage change with temperature
5
10
mV/V
Output regulation (of reference voltage)
10
30
mV/V
VO = 12 V,
VO = 15 V,
VO = 30 V,
RCL = 150
RCL = 150
RCL = 150
10
Output current
(see Figure 1)
Switching regulator
15
mA
65
Series regulator
100
Standby current
Switching regulator
Series regulator
VI2 = 3 V,
VI1 = 15 V,
VO = 9 V
VO = 9 V,
15
0.8
80
1.2
μ
A
mA
RE2 = 4.7 k
NOTE 5: Voltage deviation is the output voltage difference that occurs in a change from series regulation to switching regulation:
Voltage deviation
V
O
series regulation
V
O
switching regulation
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