High Ripple Rejection Low Dropout CMOS Voltage Regulator
S-L2980 Series
Tentative specifications
Seiko Instruments Inc. / Components Headquarters
Features
Ripple Rejection Rate:
70 dB Typ. (f=1 kHz, V
OUT
= 3.0V)
Low current consumption Operation: 90
A Typ., 150
A Max.
Power off: 0.1
A Typ., 1
A Max.
Input voltage range:
2.0 to 10.0V (Absolute maximum rating: 12V)
Output voltage:
1.5 to 6.0 V, 0.1 V step
Output current:
150 mA capable @3.0 V
Low dropout voltage
220 mV Typ. (V
OUT
= 3.0 V, I
OUT
= 100 mA)
Built-in power-off circuit
Built-in short-circuit current limitation
Low ESR capacitors are available.
A ceramic capacitor of 2.2
F or more can be used.
Compact packages:
SOT-23-5, 5-pin SON(A)
Target Applications
Cellular phone, PHS, Communication devices
Seiko Instruments Inc. / Components Headquarters
High Ripple Rejection Low Dropout CMOS Voltage Regulator
S-L2980 Series
Pin Configuration
1
3
2
4
5
SOT-23-5
Top view
5
4
3
2
1
5-pin SON(A)
Top view
Pin No.
Symbol
Description
1
VIN
Voltage input pin
2
VSS
GND pin
3
ON/OFF
Power off pin
4
NC*
Non-connected
5
VOUT
Voltage output pin
P in N o .
S ym b o l
D e s c rip tio n
1
N C
*
N o n -c o n n e c te d
2
V S S
G N D p in
3
O N /O F F
P o w e r o ff p in
4
V IN
V o lta g e in p u t p in
5
V O U T
V o lta g e o u tp u t
Seiko Instruments Inc. / Components Headquarters
5-pin SON(A)
SOT-23-5
High Ripple Rejection Low Dropout CMOS Voltage Regulator
S-L2980 Series
Packages
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