13
AT73C202
2740B–PMGMT–05/03
Backup Battery LDO
(V-BCK)
T
AMB
= -20°C to 85°C, V
BAT
= 3V to 4.2V unless otherwise specified.
Note: 1. V
OUT
and I
OUT
refer to V-BCK.
RTC LDO
(V-RTC)
T
AMB
= -20°C to 85°C, V
BAT
= 3V to 4.2V unless otherwise specified.
Note: 1. V
OUT
and I
OUT
refer to V-RTC
Table 12. Backup Battery LDO (V-BCK)
(1)
Electrical Characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
OUT
(1)
Output Voltage BB1 = 0 2.4 2.45 2.50 V
V
OUT
(1)
Output Voltage BB1 = 1 2.65 2.7 2.75 V
I
OUT
(1)
Output Current 25mA
V
DROP
Dropout Voltage 50 mV
I
QC
Quiescent Current 4.8 6.6 9.7 µA
PSRR Ripple Rejection 40 dB
T
R
Rise Time 110 320 µs
Table 13. Backup Battery LDO (V-BCK) External Components
Symbol Parameter Conditions Min Typ Max Unit
C
OUT
Output Capacitor Value 1.98 2.2 2.42 µF
C
ESR
Output Capacitor ESR 100 KHz 100 m
Table 14. RTC LDO (V-RTC)
(1)
Electrical Characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
OUT
(1)
Output Voltage BB1 = 0 1.45 1.50 1.55 V
BB1 = 1 (not used)
I
OUT
(1)
Output Current 0.5 mA
V
DROP
Dropout Voltage 50 mV
I
QC
Quiescent Current 4.8 6.6 9.7 µA
I
SD
Shutdown Current 0.1 1 µA
PSRR Ripple Rejection 40 dB
T
R
Rise time 110 320 µs
Table 15. RTC LDO (V-RTC) External Components
Symbol Parameter Conditions Min Typ Max Unit
C
OUT
Output Capacitor Value 198 220 242 nF
C
ESR
Output Capacitor ESR 100 KHz 100 m
14
AT73C202
2740B–PMGMT–05/03
RF LDOs (V-RF1
and V-RF2)
Note: 1. V
OUT
and I
OUT
refer to V-RF1/V-RF2.
Table 16. RF LDOs (V-RF1 and V-RF2)
(1)
Electrical Characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
BAT
Operating Supply Voltage All V
IN
, All T°C, Line, Load 3 5.5 V
V
INT
Operating Internal Supply Voltage 2.4 2.5 2.6 V
V
OUT
(1)
Output Voltage 2.74 2.8 2.86 V
I
OUT
(1)
Output Current 80 130 mA
I
QC
Quiescent Current 195 236 µA
DV
OUT
Line Regulation V
BAT
: 3V to 3.4V, I
OUT
= 130 mA 3 2 mV
DV
PEAK
Line Regulation Transient Same as above, T
R
= T
F
= 5 µs 4 2.85 mV
DV
OUT
Load Regulation 10% - 90% I
OUT
, V
BAT
= 3V 10 1 mV
10% - 90% I
OUT
, V
BAT
= 5.0V 15 1 mV
10% - 90% I
OUT
, V
BAT
= 5.5V 15 1 mV
DV
PEAK
Load Regulation Transient Same as above, T
R
= T
F
= 5 µs 1.2 2.4 mV
PSRR Ripple Rejection F=217Hz – V
BAT
= 3.6V 70 73 dB
V
N
Output Noise BW: 10 Hz to 100 kHz 29 37 µV
RMS
T
R
Rise Time 100% I
OUT
, 10% - 90% V
OUT
50 µs
I
SD
Shut Down Current A
Table 17. RF LDOs (V-RF1 and V-RF2) External Components
Symbol Parameter Conditions Min Typ Max Unit
C
OUT
Output Capacitor Value 1.98 2.2 2.42 µF
C
ESR
Output Capacitor ESR 100 KHz 50 m
15
AT73C202
2740B–PMGMT–05/03
Buzzer Open Drain General Conditions (unless otherwise noted): V
IN
= V
IN(min)
to V
IN(max)
, T
A
= -40°C to
+85°C
Note: 1. V
OL
, I
OL
, I
OH
, T
ON
and T
OFF
refer to Buz-Out.
Vibrator General Conditions (unless otherwise noted): V
IN
= V
IN(min)
to V
IN(max)
, T
A
= -40°C to
+85°C, C
OUT
= 2.2µF to Y5V.
Note: 1. V
OUT
and I
OUT
refer to V-VIB.
Table 18. Buzzer Open Drain Electrical Characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
OL
(1)
Low Output Voltage I
OL
= 100 mA 0.4 V
I
OL
(1)
Low Output Current 100 mA
T
ON
(1)
Turn-on Time 10 µs
T
OFF
(1)
Turn-off Time 10 µs
Table 19. Vibrator Electrical Characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
OUT
(1)
Output Voltage 2.74 2.80 2.86 V
I
OUT
(1)
Output Current 100 mA
V
DROP
Dropout Voltage 280 mV
I
QC
Quiescent Current 195 236 µA

AT73C202

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
Power Management Specialized - PMIC NGD MONOLITHIC NUMERIC IC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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