4 / 12 page
DA9122.002
7 September, 2001
4 (12)
x Current Parameters
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
LDO_A Continuous Output Current
IOUTA
0
135
mA
LDO_B Continuous Output Current
IOUTB
070
mA
LDO_C Continuous Output Current
IOUTC
050
mA
Short Circuit Current for LDO_A
ISHORTA
350
mA
Short Circuit Current for LDO_B
ISHORTB
265
mA
Short Circuit Current for LDO_C
ISHORTC
230
mA
Ground Pin Current
IGND(OFF)
IOUT = 0 A, VENA,ENBC < 0.3 V,
VIN= 3.6
24
µA
Ground Pin Current
IGND(ONA)
IOUT = 0 A, VENA > 2 V,
VENBC < 0.3 V, VIN = 3.6
125
µA
Ground Pin Current
IGND(ONBC)
IOUT = 0 A, VENA < 0.3 V,
VENBC > 2 V, VIN = 3.6
170
µA
Ground Pin Current
IGND(ONABC)
IOUT = 0 A, VENA, ENBC > 2 V
VIN = 3.6
245
µA
x Voltage Parameters
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output Voltage:
Mask option for 2.85 V
VOUTA
VOUTA,B,C
Max IOUT = 135 mA
Max IOUTA = 100 mA, Max IOUTB =
70 mA, Max IOUTC = 50 mA
2.85 – 3%
2.85 – 2%
2.85
2.85
2.85 + 2%
2.85 + 2%
V
V
LDO_A Dropout
Voltage
VDROPA
IOUTA = 135 mA
IOUTA = 100 mA
220
180
mV
LDO_B Dropout
Voltage
VDROPB
IOUTB = 70 mA
165
mV
LDO_C Dropout
Voltage
VDROPC
IOUTC = 50 mA
150
mV
x External Capacitors
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output Capacitors for
all Regulators
COUTA,B,C
0.8
1
µF
Effective Series Resistance
ESR
0.01
0.1
2
Ω
Bypass Capacitor
CBYPASS
10
nF
x Power Dissipation
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Junction to Case Thermal
Resistance
RJC
39
°C/W
Junction to Ambient Thermal
Resistance
RJA
typical PC board mounting,
still air
206
°C/W
Maximum Power Dissipation
Pd
any ambient temperature
JA
A
(MAX)
J
MAX
d
R
T
T
P
−
=
mW
Note 1
Note 1: TJ(MAX) denotes maximum operating junction temperature (+125°C), TA ambient temperature, and RJA junction-to-ambient thermal
resistance (+206°C/W).
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