MC13181 Datasheet, PDF (9/18 Pages) Motorola, Inc – Wireless Power Management Integrated Circuit

Pin Function Descriptions
2 Pin Function Descriptions
Table 5. Pin Function Description
Pin
Symbol/
Type
Description
Equivalent Internal Circuit
Notes
1
VOUT2.65 VOUT2.65 Regulator
Output, LDO_2.65,
2.65 V, 65 mA Output
V_CC1
V_ref
1
C_ext
ESD
162 k
152 k
Bypass with
low ESR
1.0 µF
tantalum
capacitor
[Note 1]
2
REFOUT REFOUT,1.265 V
Reference Voltage
Output,
V_CC1
2.0 k
1.0 k
2
C_ext
274 k
Band
Gap
Bypass with
low ESR
470 nF
[Note 1]
3
VCC1
VCC1, Positive Supply,
Power Supply Input for
Reference Generation
and LDO_2.65
4
AGND1
AGND1 Ground, Analog
Ground for Reference
Generation and
LDO_2.65
5
SGND
SGND Ground,
Substrate for LDO_2.65
and Reference
Generator
6
S_INV
S_INV, Inverter Output
to V_CC
3*
C bypass (2) _ESD
* also pin 8
4
A ground 1
ESD
5
S ground
ESD
LDO_1.85
6*
Bypass with
a 0.1 µF
close to the
part and a
1.0 µF low
ESR.
Tie to
ground
Tie to
ground
referenced
to V_{LDO_1.85}
ESD
* also pins 15 & 22
NOTES: 1. All capacitors are assumed to be low ESR tantalum. De-rating factor on capacitance value is assumed to be -20% to 10% over all
cases of tolerance and temperature.
2. Contact assignments are subject to change.
MOTOROLA
MC13181 Advance Information
9