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| LP38691_15 Datasheet, PDF (6/34 Pages) Texas Instruments – LP3869x/-Q1 500-mA Low-Dropout CMOS Linear Regulators Stable With Ceramic Output Capacitors | |||
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LP38691, LP38693, LP38691-Q1, LP38693-Q1
SNVS321N â JANUARY 2005 â REVISED MARCH 2015
www.ti.com
Electrical Characteristics (continued)
Unless otherwise specified, limits apply for TJ = 25°C, VIN = VOUT + 1 V, CIN = COUT = 10 µF, ILOAD = 10 mA. Minimum and
maximum limits are specified through testing, statistical correlation, or design.
PARAMETER
TEST CONDITIONS
MIN TYP(1) MAX UNIT
IQ
Quiescent current
IL(MIN) Minimum load current
VIN ⤠10 V, IL =100 µA - 0.5 A
VIN ⤠10 V, IL =100 µA - 0.5 A
Full operating temperature range
VEN ⤠0.4 V, (LP38693 Only)
VIN â VO ⤠4 V
Full operating temperature range
55
0.001
100
µA
1
100
IFB
PSRR
TSD
TSD
(HYST)
Foldback current limit
Ripple rejection
Thermal shutdown activation
(junction temp)
VIN â VO > 5 V
VIN â VO < 4 V
VIN = VO + 2 V(DC), with 1 V(p-p) / 120-Hz Ripple
Thermal shutdown hysteresis
(junction temp)
350
mA
850
55
dB
160
°C
10
en
Output noise
VO (LEAK) Output leakage current
BW = 10 Hz to 10 kHz
VO = 3.3 V
VO = VO(NOM) + 1 V at 10 VIN
Output = OFF
Full operating temperature range
0.7
µV/âHz
0.5
12 µA
0.4
Output = ON, VIN = 4 V
VEN
Enable voltage (LP38693
Only)
Full operating temperature range
Output = ON, VIN = 6 V
Full operating temperature range
1.8
V
3.0
Output = ON, VIN = 10 V
Full operating temperature range
4.0
IEN
Enable pin leakage
(lLP38693 only)
VEN = 0 V or 10 V, VIN = 10 V
â1 0.001
1 µA
6
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Copyright © 2005â2015, Texas Instruments Incorporated
Product Folder Links: LP38691 LP38693 LP38691-Q1 LP38693-Q1
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