KR32S033F中文资料
300POWER LOW DROPOUT REGULATOR
The KR32SXXXM/F is an efficient linear voltage regulator with very low dropout voltage (Typically 10mV at light loads and 250mV at 300)
The KR32SXXXM/F can be enabled, or shut down by a CMOS or TTL compatible signal. When disabled. power consumption drops nearly to zero. Dropout ground current is minimized to help prolong battery life. Other key features include reversed battery protechion, current limiting, over temperature shutdown, and low noise performance with an ultra-low-noise option
FEATURES
High output voltage accuracy : 1%
Low quiescent current. : I Q(OFF)=3
Very low ground current : 1.8(I OUT=150)
Low dropout voltage : 250mV (I OUT=300)
Built-in ON/OFF control terminal
Built -in over current , Over heat protection function
Reverse-battery protection
APPLICATIONS
Laptop, notebook, and palmtop computers
Cellular telephones and battery-powered equipment
Consumer and personal electronics
PC Card V CC and VPP regulation and switching
SMPS post-regulator/dc-to-dc modules
High-effciency linear power supplies
LINE-UP
Fig. 1 BLOCK DIAGRAM
Fig. 2 TEST CIRCUIT / APPLICATION CIRCUIT
MARKING
MARKING
< SOT-89-5 >
< TSV >
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, V IN =V OUT +1V, I OUT =100
, C OUT =4.7
, Tj=25)
MAXIMUM RATINGS (Ta=25
)
mW Io=100~300
=V OUT +1V~12V =100=50=150=300Tj=-40125
ppm/f=120Hz
=50, C OUT =2.2, =470pF
rms V =2.0V
V =100=50=150=300
R I P P L E R E J E C T I O N R .R (d B )
R I P P L E R E J E C T I O N R .R (d B )
R I P P L E R E J E C T I O N R .R (d B )
R I P P L E R E J E C T I O N R .R (d B )
-60-40-100
-800-20f IN - R.R (1)
f IN - R.R (2)
f IN - R.R (3)
f IN - R.R (4)
1k 10k 1M 100k 10010
10M INPUT FREQUENCY f IN (Hz)INPUT FREQUENCY f IN (Hz)
INPUT FREQUENCY f IN (Hz)INPUT FREQUENCY f IN (Hz)
INPUT FREQUENCY f IN (Hz)INPUT FREQUENCY f IN (Hz)
-60-40-100
-800-201k 10k 1M 100k 10010
10M
-60-40-100
-800-201k 10k 1M 100k 10010
10M
-60-40-100
-800-201k 10k 1M 100k 10010
10M
-60-40-100
-800
-201k 10k 1M 100k 10010
10M -60-40-100
-800
-201k 10k 1M 100k 10010
10M
f IN - R.R (5)
f IN - R.R (6)
R I P P L E R E J E C T I O N R .R (d B )
R I P P L E R E J E C T I O N R .R (d B )
T U R N O N T I M E (μs )
-60-40-100
-800-20
CAPACITANCE C BYPASS (pF)OUTPUT CURRNET I OUT (mA)
101102
103
104
f IN - R.R (7)
R I P P L E R E J E C T I O N R .R (d B )
f IN - R.R (8)
R I P P L E R E J E C T I O N R .R (d B )
0104050602030
10
101010 f - NOISE (1)
f - NOISE (2)
f - NOISE (3)
f - NOISE (4)
f - NOISE (5)
f - NOISE (6)
1k 10k 1M 100k 10010
10M FREQUENCY (Hz)1k 10k 1M 100k 10010
10M
FREQUENCY (Hz)
10
1010101k 10k 1M 100k 10010
10M FREQUENCY (Hz)101010101k 10k 1M 100k 10010
10M
FREQUENCY (Hz)
10101010
1k 10k 1M 100k 10010
10M
FREQUENCY (Hz)1k 10k 1M 100k 10010
10M
FREQUENCY (Hz)
N O I S E (m V / H z )
N O I S E (m V / H z )
N O I S E (m V / H z )
N O I S E (m V / H z )