KEC KR52S033F

KR52S018M/F~
KR52S033M/F
SEMICONDUCTOR
TECHNICAL DATA
BIPOLAR LINEAR INTEGRATED CIRCUIT
500mA POWER LOW DROPOUT REGULATOR
E
The KR52SXXXM/F is an efficient linear voltage regulator with very low
B
dropout voltage(Typically 10mV at light loads and 350mV at 500mA)
The KR52SXXXM/F can be enabled, or shut down by a CMOS or TTL
1
DIM MILLIMETERS
_ 0.2
A
2.9 +
5
B
2
D
_ 0.1
0.4 +
E
F
G
H
I
J
K
L
2.8+0.2/-0.3
_ 0.2
1.9 +
0.95
_ 0.05
0.16 +
0.00-0.10
0.25+0.25/-0.15
0.60
0.55
F
A
Dropout ground current is minimized to help prolong battery life. Other key
1.6+0.2/-0.1
_ 0.05
0.70 +
C
G
compatible signal. When disabled. power consumption drops nearly to zero.
G
features include reversed battery protechion, current limiting, over temperature
4
D
3
L
C
shutdown, and low noise performance with an ultra-low-noise option
I
FEATURES
H
J
J
High Output Voltage Accuracy : 1%
1
Low Quiescent Current. : IQ(OFF) =3
1. INPUT
2. GND
3. ON/OFF CONTROL
4. NOISE BYPASS
5. OUTPUT
Very Low Ground Current : 4.0mA(IOUT = 300mA)
Low Dropout Voltage : 350mV(IOUT=500mA)
5
2
4
3
Built-in ON/OFF control Terminal
Built -in Over Current , Over Heat Protection Function
TSV
Reverse-Battery Protection
A
K
APPLICATIONS
B
Cellular telephones and battery-powered equipment
J
D
C
Laptop, notebook, and palmtop computers
5
4
PC Card VCC and VPP regulation and switching
SMPS post-regulator/dc-to-dc modules
1
2
F
E
Consumer and personal electronics
3
G
High-effciency linear power supplies
I
DIM
A
B
C
D
E
F
G
H
I
J
K
H
LINE-UP
1
TSV
2
3
SOT-89-5
VOUT (V)
ITEM
MARKING
ITEM
MARKING
1.8
KR52S018M
C18
* KR52S018F
E1
2.5
KR52S025M
C25
* KR52S025F
E2
2.6
KR52S026M
C26
* KR52S026F
E3
2.7
KR52S027M
C27
* KR52S027F
E4
2.8
KR52S028M
C28
* KR52S028F
E5
2.85
KR52S285M
C2J
* KR52S285F
E6
2.9
KR52S029M
C29
* KR52S029F
E7
3.0
KR52S030M
C30
* KR52S030F
E8
3.1
KR52S031M
C31
* KR52S031F
E9
3.3
KR52S033M
C33
* KR52S033F
E0
1. BYPASS
2. GND
3. ON/OFF CONTROL
4. VIN
5. VOUT
MILLIMETERS
_ 0.10
4.50 +
_ 0.03
3.00 +
_ 0.10
1.60 +
_ 0.08
0.90 +
_ 0.05
2.50 +
_ 0.15
4.30 +
_ 0.03
0.42 +
_ 0.03
1.50 +
_ 0.03
0.47 +
_ 0.02
0.31 +
_ 0.07
1.50 +
* Heat sink is common to 2.GND
SOT-89-5
* : Under development
2007. 3. 19
Revision No : 2
1/5
KR52S018M/F ~ KR52S033M/F
MARKING
PIN DESCRIPTIONS
5
4
Lot No.
Type Name
2
1
PIN NO.
NAME
FUNCTION
1
VIN
2
GND
3
ON/OFF
Control
Enable/Shutdown (Input):CMOS conpatible
input. Logic high = Enable, Logic
low or open = Shutdown
4
Bypass
Reference Bypass : Connect external 470pF
capacitor to GND to reduce output
noise. May be left open
5
VOUT
Supply Input
Ground
3
< TSV >
Regulator Output
PIN DESCRIPTIONS
MARKING
5
4
Type Name
1
2
PIN NO.
NAME
FUNCTION
1
Bypass
Reference Bypass : Connect external 470pF
capacitor to GND to reduce output
2
GND
3
ON/OFF
Control
4
VIN
5
VOUT
Lot No.
3
< SOT-89-5 >
Fig. 1 BLOCK DIAGRAM
VIN
Ground
Enable/Shutdown (Input):CMOS conpatible
input. Logic high = Enable, Logic
low or open = Shutdown
Supply Input
Regulator Output
Fig. 2 TEST CIRCUIT / APPLICATION CIRCUIT
5
1
VOUT
VIN = 3.8V
1
5
VOUT = 2.8V
COUT
BYPASS
COUT = 22µF
(tantalum)
4
CBYPASS
2 KR52S028M/F
+
Bandgap
Ref.
ON/OFF
CONTROL
ON/OFF 3
CONTROL
3
4
Current Limit
Thermal Shutdown
2
CBYPASS = 470pF
GND
2007. 3. 19
Revision No : 2
2/5
KR52S018M/F ~ KR52S033M/F
MAXIMUM RATINGS (Ta=25
)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Supply Input Voltage
VIN
16
V
ON/OFF Control Voltage
VC
5
V
Output Current
IOUT
500
mA
900
mW
(TSV)
Power Dissipation
(Note)
(SOT-89-5)
Operating Junction Temperature
Topr
-40~125
Storage Temperature
Tstg
-55~150
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VIN=VOUT+1V, IOUT=100
CHARACTERISTIC
, COUT=4.7
SYMBOL
, Tj=25 )
MIN.
TYP.
MAX.
KR52S018M/F
1.782
1.8
1.818
KR52S025M/F
2.475
2.5
2.525
KR52S026M/F
2.574
2.6
2.626
KR52S027M/F
2.673
2.7
2.727
2.772
2.8
2.828
KR52S285M/F
2.8215
2.85
2.8785
KR52S029M/F
2.871
2.9
2.929
KR52S030M/F
2.97
3.0
3.03
KR52S031M/F
3.069
3.1
3.131
KR52S033M/F
3.267
3.3
3.333
KR52S028M/F
VOUT
Output Voltage
TEST CONDITION
VIN=VOUT+1V
UNIT
V
Load Regulation
Reg Load
100
0.5A
-
-
2.0
%
Line Regulation
Reg Line
VIN=VOUT+1V~12V
-
-
0.05
%/V
V D1
IOUT=100
-
10
60
V D2
IOUT=50mA
-
115
175
V D3
IOUT=150mA
-
175
300
V D5
IOUT=500mA
-
350
500
Ripple Rejection
RR
f=120Hz
-
75
-
Output Noise Voltage
VNO
IOUT=50 , COUT=2.2
CBYPASS= 470pF
-
30
-
rms
2.0
-
-
V
-
5
20
-
-
0.4
VC=0.4V
-
0.01
1
IQ1
VC=3V, IOUT=100
-
80
130
IQ2
VC=3V, IOUT=50
-
350
650
IQ3
VC=3V, IOUT=150
-
1.8
2.5
IQ4
VC=3V, IOUT=500
-
12
20
IQ(OFF1)
VC=0.4V
-
0.05
3
IQ(OFF2)
VC=0.18V
-
0.10
8
0.51
-
-
Dropout Voltage
Output ON-state voltage for control
VC(ON)
Output ON-state current for control
IC(ON)
Output OFF-state voltage for control
VC(OFF)
Output OFF-state current for control
IC(OFF)
Quiescent Current
Quiescent Current (OFF Mode)
ISC
Short Circuit Current
2007. 3. 19
Revision No : 2
IO
VC=2.0V
-
VO=0A
V
A
3/5
KR52S018M/F ~ KR52S033M/F
Fig. 1 IGND - IO
Fig. 2 Iq - VIN
15
80
12.5
Iq (µA)
IGND (mA)
75
10
7.5
70
5
65
2.5
0
60
100
200
300
400
500
3
4
6
8
10
12
IO (mA)
VIN (V)
Fig. 3 VD - IOUT
Fig. 4 VOUT - VIN
450
3.5
400
3.0
350
2.5
VOUT (V)
VD (mV)
0
300
250
14
16
2.0
1.5
200
1.0
150
0.5
100
0
IO = 100µA
100
200
300
400
500
8
10
12
Fig. 5 VOUT - IOUT
Fig. 6 f - R.R
RIPPLE REJECTION R.R (dB)
2.5
VOUT (V)
6
VIN (V)
3.0
2.0
1.5
1.0
0.5
0
100 200 300 400 500 600 700 740 760 780
IOUT (mA)
2007. 3. 19
4
IO (mA)
3.5
0
3
Revision No : 2
100
14
16
IO = 100µA
90
80
70
60
50
40
30
20
10
0
100
101
102
103
104
105
FREQUENCY f (KHz)
4/5
KR52S018M/F ~ KR52S033M/F
Fig. 7 VOUT - TEMP
Fig. 8 VENH - TEMP
1.6
3
IO = 100µA
1.4
2.5
1.2
VENH (V)
VO (V)
2
1.5
1
1.0
0.8
0.6
0.4
0.5
0.2
IO = 100µA
0
-40
10
60
110
160
210
TEAMPERATURE ( C)
0
-40 -20
0
20
40
60
80 100 120 140 160
TEAMPERATURE ( C)
Fig. 9 IGND - TEMP
100
IO = 100µA
90
80
IGND (mV)
70
60
50
40
30
20
10
0
-40 -20
0
20
40
60
80 100 120 140 160
TEAMPERATURE ( C)
2007. 3. 19
Revision No : 2
5/5