Document
SEMICONDUCTOR
TECHNICAL DATA
150mA POWER LOW DROPOUT REGULATOR
The KR15SXXXM is an efficient linear voltage regulator with very low dropout voltage(Typically 10mV at light loads and 165mV at 175mA) The KR15SXXXM can be enabled, or shut down by a CMOS or TTL
KR15S018M~KR15S033M
BIPOLAR LINEAR INTEGRATED CIRCUIT
E B
1
5
DIM MILLIMETERS _ 0.2 A 2.9 +
B C 1.6+0.2/-0.1 _ 0.05 0.70 + _ 0.1 0.4 + 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
G
compatible signal. When disabled. power consumption drops nearly to zero.
A
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
2
D 4 E F G H I J K L
F G
3
C
L
H J
1 5
FEATURES High Output Voltage Accuracy : 1% Low Quiescent Current. : IQ(OFF) =3 Very Low Ground Current : 350 (IOUT = 50mA) Low Dropout Voltage : 175mV(IOUT=150mA) Built-in ON/OFF control Terminal Built -in Over Current , Over Heat Protection Function Reverse-Battery Protection
J
1. INPUT 2. GND 3. ON/OFF CONTROL 4. NOISE BYPASS 5. OUTPUT
D
I
2
3
4
TSV
APPLICATIONS Laptop, notebook, and palmtop computers Cellular telephones and battery-powered equipment Consumer and personal electronics PC Card VCC and VPP regulation and switching SMPS post-regulator/dc-to-dc modules High-effciency linear power supplies
LINE-UP
TSV VOUT (V) ITEM 1.8 2.5 2.6 2.7 2.8 2.85 2.9 3.0 3.1 3.3 KR15S018M KR15S025M KR15S026M KR15S027M KR15S028M KR15S285M KR15S029M KR15S030M KR15S031M KR15S033M MARKING A18 A25 A26 A27 A28 A2J A29 A30 A31 A33
2007. 3. 19
Revision No : 1
1/6
www.DataSheet.in
KR15S018M~KR15S033M
MARKING
5 4
PIN DESCRIPTIONS
Lot No. Type Name
PIN NO. 1 2 NAME VIN GND ON/OFF Control Supply Input Ground Enable/Shutdown (Input):CMOS conpatible input. Logic high = Enable, Logic low or open = Shutdown Reference Bypass : Connect external 470pF capacitor to GND to reduce output noise. May be left open Regulator Output FUNCTION
3
1 2 3
< TSV > 4 Bypass
5
VOUT
Fig. 1 BLOCK DIAGRAM
Fig. 2 TEST CIRCUIT / APPLICATION CIRCUIT
VIN
1
5
VOUT COUT
VIN = 3.8V
1
5
VOUT = 2.8V COUT = 2.2 µF (tantalum)
BYPASS CBYPASS
4 +
Bandgap Ref.
2 KR15S028M
ON/OFF CONTROL
3
4
ON/OFF 3 CONTROL
Current Limit Thermal Shutdown
CBYPASS = 470pF
2
GND
2007. 3. 19
Revision No : 1
2/6
www.DataSheet.in
KR15S018M~KR15S033M
MAXIMUM RATINGS (Ta=25
CHARACTERISTIC Supply Input Voltage ON/OFF Control Voltage Output Current Power Dissipation Junction Temperature Operating Junction Temperature Storage Temperature Note) Package mounted on a ceramic board. (600m2 (Note)
)
SYMBOL VIN VC IOUT PD Tj Topr Tstg 0.8m) RATING 16 5 150 900 150 -40~125 -55~150 UNIT V V mA mW
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VIN=VOUT+1V, IOUT=100
CHARACTERISTIC KR15S018M KR15S025M KR15S026M KR15S027M KR15S028M Output Voltage KR15S285M KR15S029M KR15S030M KR1.