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PDF ( 数据手册 , 数据表 ) ZR78LsGSOT223ZR78Ls

零件编号 ZR78LsGSOT223ZR78Ls
描述 2.85 TO 12 VOLT FIXED POSITIVE LOCAL VOLTAGE REGULATOR
制造商 Zetex Semiconductors
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ZR78LsGSOT223ZR78Ls 数据手册, 描述, 功能
2.85 TO 12 VOLT FIXED POSITIVE
LOCAL VOLTAGE REGULATOR
ISSUE 3 - DECEMBER 2001
ZR78L
SERIES
DEVICE DESCRIPTION
The ZR78L Series three terminal fixed positive
voltage regulators feature internal circuit
current limit and thermal shutdown making
the devices difficult to destroy. The circuit
design allows creation of any custom voltage
in the range 2.85 to 12 volts. The devices are
available in a small outline surface mount
package, ideal for applications where space
saving is important, as well as through hole
TO92 style packaging. The devices are suited
to local voltage regulation applications, where
problems could be encountered with
distributed single source regulation, as well as
more general voltage regulation applications.
The ZR78L Series show performance
characteristics superior to other local voltage
regulators. The initial output voltage is
maintained to within 2.5% with a quiescent
current of typically 350µA. Output voltage
change, with input voltage and load current, is
much lower than competitive devices. The
ZR78L devices are completely stable with no
external components. The device will shut
down under thermal overload conditions but
as the device cools, regulation will restart.
FEATURES
Small outline SOT223 package
SO8 package (3.3V and 5.0V)
TO92 package
2.85 to 12 Volt
Output current up to 200mA
Tight initial tolerance
Low quiescent current
-55 to 125°C temperature range
No external components
Internal thermal shutdown
Internal short circuit current limit
VOLTAGE RANGE
ZR78L028 2.85V
ZR78L03 3.0V
ZR78L033 3.3V
ZR78L04 4.0V
ZR78L048 4.85V
ZR78L05 5.0V
ZR78L052 5.2V
ZR78L057 5.7V
ZR78L06 6.0V
ZR78L07 7.0V
ZR78L08 8.0V
ZR78L085 8.5V
ZR78L09 9.0V
ZR78L10 10.0V
ZR78L12 12.0V
4-200







ZR78LsGSOT223ZR78Ls pdf, 数据表
ZR78L
SERIES
ZR78L057 TEST CONDITIONS (Unless otherwise stated):Tj=25°C, IO=100mA, Vin=9.7V
SYMBOL PARAMETER
CONDITIONS MIN. Typ. MAX. UNITS
VO Output Voltage
5.557 5.7
5.843 V
IO=1 to 200mA τ 5.47
5.93 V
VO Line Regulation
VO Load Regulation
Vin=7.7 to 20V
IO=1 to 100mA τ
Vin=7.7 to 20V
IO=1 to 200mA
IO=1 to 100mA
5.47
10
7
2.5
5.93 V
40 mV
30 mV
mV
lq Quiescent Current
τ
lq Quiescent Current Change IO=1 to 200mA
Vin=7.7 to 20V
350 600 µA
100 µA
100 µA
Vn Output Noise Voltage
Vin /VO Ripple Rejection
f=10Hz to 10kHz
Vin=8.7 to 18V
f=120Hz
48
90
62
µV rms
dB
Vin Input Voltage Required To
Maintain Regulation
7.7 7.4
V
VO /T Average Temperature
Coefficient of VO
IO=5.0mA τ
0.15
mV/°C
ZR78L06 TEST CONDITIONS (Unless otherwise stated):Tj=25°C, IO=100mA, Vin=10V
SYMBOL PARAMETER
CONDITIONS
MIN. TYP. MAX. UNITS
VO Output Voltage
5.85 6
6.15 V
IO=1 to 200mA τ 5.76
6.24 V
Vin=8 to 20V
5.76
IO=1 to 100mA τ
6.24 V
VO Line Regulation
Vin=8 to 20V
VO Load Regulation
IO=1 to 200mA
IO=1 to 100mA
lq Quiescent Current
τ
lq Quiescent Current Change IO=1 to 200mA
Vin=8 to 20V
10 40 mV
7 30
2.5
mV
mV
350 600 µA
100 µA
100 µA
Vn Output Noise Voltage
f=10Hz to 10kHz
90
µV rms
Vin /VO Ripple Rejection
Vin=9 to 18V
f=120Hz
48 62
dB
Vin Input Voltage Required To
Maintain Regulation
8 7.7
V
VO /T Average Temperature
Coefficient of VO
τ =Tj = -55 to 125 °C
IO=5.0mA τ
0.15 mV/°C







ZR78LsGSOT223ZR78Ls equivalent, schematic
ZR78L048 ZR78L052
ZR78L07 ZR78L085
ZR78L12
TYPICAL CHARACTERISTICS
ZR78L
SERIES
10
Io= 100mA
Vin= Vout+4v
1
0.1
ZR78L12
ZR78L085
ZR78L07
ZR78L052
ZR78L048
0.01
10 100 1k 10k 100k
Frequency (Hz)
Output Impedance v Frequency
Vo+9
Input Voltage
Vo+4
+0.2
0
Output Voltage
Deviation
-0.2
Io= 100mA
Cout= 0
dVin/dt= 5v/us
0 10 20 30 40 50
Time (µs)
Line Transient Response
160
D=1
140
120
TO92 PACKAGE
100
80
D=0.5
60
40 D=0.2
20
D=0.1
D=0.05
D=0
0
1m 10m 100m 1 10
Pulse Width (s)
Thermal Resistance v Pulse Width
90
80
70 ZR78L052
ZR78L048
60
Io= 100mA
Vin= Vout+4v
Vin= 200mV Pk/Pk
50
40 ZR78L07
ZR78L085
30 ZR78L12
20
10
0
100
1k
10k 100k 1M
Frequency (Hz)
Ripple Rejection v Ripple Frequency
100mA
Load Current
0
+0.2
0
Output Voltage
Deviation
-0.2
Vin= Vout+4v
Cout= 0
dIo/dt= 1A/us
0 10 20 30 40 50
Time (us)
Load Transient Response
48 D=1
40 SOT223 PACKAGE
32
D=0.5
24
16
D=0.2
8 D=0.1
D=0.05
D=0
0
1m 10m 100m 1
10
Pulse Width (s)
Thermal Resistance v Pulse Width










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Zetex Semiconductors

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