
Analog Integrated Circuit Device Data
Freescale Semiconductor
89
PC34708
Functional Block Requirements and Behaviors
LDO Regulators Description and Application Information
VGEN1LOTR
ANSIENT
Transient Load Response
VIN = VINMIN, VINMAX
-
1.0
2.0
%
VGEN1LITRAN
SIENT
Transient Line Response
IL = 75% of ILMAX
-
5.0
8.0
mV
tMODE-VGEN1 Mode Transition Time
From low power to active and from active to low power
VIN = VINMIN, VINMAX IL = ILMAXLP
-
100
s
VGEN1MOD
ERES
Mode Transition Response
From low power to active and from active to low power
VIN = VINMIN, VINMAX IL = ILMAXLP
-
1.0
2.0
%
Table 88. VGEN2 Electrical Specification
Characteristics noted under conditions BP = 3.6 V, VBUS = 5.0 V, -40°C ≤ TA ≤ 85°C, unless otherwise noted. Typical values at
BP = 3.6 V and TA = 25°C under nominal conditions, unless otherwise noted.
Symbol
Characteristic
Min
Typ
Max
Unit
Notes
VGEN2
VGEN2IN
Operating Input Voltage Range VINMIN to VINMAX
All settings, BP biased
VNOM +
0.25
-
4.5
V
IGEN2
Operating Current Load Range ILMI to ILMAX
Internal Pass FET
0
-
50
mA
IGEN2
Operating Current Load Range ILMIN to ILMAX
External PNP, Not exceeding PNP max power
0
-
250
mA
VGEN2IN
Extended Input Voltage Range
BP Biased, Performance may out of specification for output levels
VGEN2 [2:0] = 010 to 111
UVDET
-
4.5
mV/mA
COVGEN2
Minimum Bypass Capacitor Value
Used as a condition for all other parameters
1.1
2.2
+35%
mV
ESRVGEN2 Bypass Capacitor ESR
10 kHz – 1.0 MHz
20
-
100
mA
VGEN2 ACTIVE MODE - DC
VGEN2
Output Voltage VOUT
VINMIN < VIN < VINMAX ILMIN < IL < ILMAX
VNOM - 3%
VNOM
VNOM + 3%
V
VGEN2LOPP Load Regulation
1.0 mA < IL < ILMAX, For any VINMIN < VIN < VINMAX
-
0.20
-
mV/mA
VGEN2LIPP Line Regulation
VINMIN < VIN < VINMAX For any ILMIN < IL < ILMAX
-
8.0
-
mV
VGEN2SCTH Short-circuit Protection threshold
VINMIN < VIN < VINMAX Short-circuit VOUT to GND
ILmax+20
%
-
mA
Table 87. VGEN1 Electrical Specification
Characteristics noted under conditions BP = 3.6 V, VBUS = 5.0 V, -40°C ≤ TA ≤ 85°C, unless otherwise noted. Typical values at
BP = 3.6 V and TA = 25°C under nominal conditions, unless otherwise noted.
Symbol
Characteristic
Min
Typ
Max
Unit
Notes