Datasheet
Analog Integrated Circuit Device Data
Freescale Semiconductor 74
34709
Functional Block Description
VGEN1 ACTIVE MODE - AC
VGEN1
PSRR
PSRR
•IL = 75% of IL
MAX
20 Hz to 20 kHz VGEN1[2:0] = 000-101
• IL = 75% of ILMAX 20 Hz to 20 kHz VGEN1[2:0] = 110-111
-
-
50
45
-
-
dB
t
ON-VGEN1
Turn-on Time
• Enable to 90% of end value V
GEN1IN
= V
INMIN
, V
INMAX
; IL = 0 mA
- - 1.0
ms
t
OFF-VGEN1
Turn-off Time
• Disable to 10% of initial value V
GEN1IN
= V
INMIN
, V
INMAX
; IL = 0mA
0.01 - 10
ms
VGEN1
OS-
START
Start-up Overshoot
•V
GEN1IN
= V
INMIN
, V
INMAX
; IL = 0 mA
- 1.0 2.0
%
VGEN1 ACTIVE MODE - AC (CONTINUED)
VGEN1
LO
TRANSIENT
Transient Load Response
•V
GEN1IN
= V
INMIN
, V
INMAX
- 1.0 2.0
%
V
GEN1LI
TRANSIENT
Transient Line Response
•IL = 75% of IL
MAX
- 5.0 8.0
mV
t
MODE-VGEN1
Mode Transition Time
• From low-power to active and from active to low-power
V
GEN1IN
= V
INMIN
, V
INMAX
; IL = IL
MAXLP
- - 100
µs
VGEN1
MODERES
Mode Transition Response
• From low-power to active and from active to low-power
V
GEN1IN
= V
INMIN
, V
INMAX
; IL = IL
MAXLP
- 1.0 2.0
%
Table 65. VGEN2 Electrical Specification
Characteristics noted under conditions BP = 3.6 V, - 40 C T
A
85 C, unless otherwise noted. Typical values at BP = 3.6 V
and T
A
= 25 °C under nominal conditions, unless otherwise noted.
Symbol Characteristic Min Typ Max Unit Notes
VGEN2
V
GEN2IN
Operating Input Voltage Range V
INMIN
to V
INMAX
• All settings, BP biased
V
NOM
+0.25
- 4.5
V
V
GEN2IN
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
I
GEN2
Operating Current Load Range IL
MI
to IL
MAX
• Internal Pass FET
0.0 - 50
mA
I
GEN2
Operating Current Load Range IL
MIN
to IL
MAX
• External PNP, Not exceeding PNP max power
0.0 - 250
mA
VGEN2 ACTIVE MODE - DC
V
GEN2
• Output Voltage V
OUT
V
NOM
- 3% V
NOM
V
NOM
+ 3% V
Table 64. VGEN1 Electrical Specification
Characteristics noted under conditions BP = 3.6 V, -
40 C T
A
85 C, unless otherwise noted. Typical values at BP = 3.6 V
and T
A
= 25 °C under nominal conditions, unless otherwise noted.
Symbol Characteristic Min Typ Max Unit Notes