SA57031-XX Datasheet, PDF (4/13 Pages) NXP Semiconductors – Micropower 150 mA, low-noise, low dropout linear regulator with on/off

Philips Semiconductors
Micropower 150 mA, low-noise, low dropout linear
regulator with on/off
Product data
SA57031-XX
CHARACTERISTICS
Tamb = 25 °C; VI = V_O(nom) +1 V; VON/OFF = 2 V; IO = 1 mA unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
I_CC
I_CC(OFF)
No-load input current
Input current (off)
I_O = 0 mA
I_O = 50 mA
I_O = 150 mA
VON/OFF = 0.25 V
Iq
∆V_LNR
∆V_LDR
∆VO/∆T
Quiescent Current
Line regulation
Load regulation
VO Temperature coefficient
I_O = 0 to 150 mA
V_I = VO +0.5 V to 6 V
I_O = 1 to 50 mA
I_O = 1 to 100 mA
I_O = 1 to 150 mA
Tj = –30 to +85 °C
PSRR
Vn
Power supply ripple rejection
Output noise voltage
f = 1 kHz; I_O = 1 mA; Vripple = 0.5 V;
V_O = 1.8 to 4.0 V
f = 1 kHz; I_O = 1 mA; Vripple = 0.5 V;
V_O = 4.1 to 5.0 V
fBW = 20 to 80 kHz; C_O = 2.2 µF
I_ON/OFF
V_ON/OFF(H)
Output short-circuit current
ON/OFF HIGH threshold
voltage
V_I = VO +1 V ; VO = 0 V
V_ON/OFF(L)
R_ON/OFF
V_O
V_dropout
ON/OFF LOW threshold voltage
ON/OFF Pull-down resistance
Output voltage (nominal)
Dropout voltage
V_O = 2.0 to 2.3
V_O = 2.4 to 2.7
V_O = 2.8 to 5.0
PRESET OUTPUT VOLTAGES
Part Number
Min
SA57031-25UK
2.450
SA57031-28UK
2.744
SA57031-30UK
2.940
SA57031-33UK
3.234
SA57031-36UK
3.528
Typ
2.500
2.800
3.000
3.300
3.600
Max
2.550
2.856
3.060
3.366
3.672
MIN.
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1.5
0
2.5
x0.98
–
–
–
TYP.
45
55
60
0.1
100
5
10
20
30
80
70
30
30
–
–
5
nom
0.25
0.24
0.23
MAX.
100
–
–
1
190
10
25
50
70
–
–
–
UNIT
µA
µA
µA
mV
mV
ppm/°C
dB
–
µVrms
–
mA
VI
V
0.25
V
15
MΩ
x1.02
V
0.35
V
0.29
0.26
2003 Jun 23
4