ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C
≤
T
A
≤
85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3 V using
the typical application circuit (see
Figure 33)
unless otherwise noted.
Characteristic
ERROR AMPLIFIER (BUCK CONVERTER)
Input Impedance
Output Impedance
DC Open Loop Gain
Gain Bandwidth Product
Slew Rate
R
OUT
AVOL
GBW
SR
V
EA_OH
–
Output Voltage – High Level
VIN1 > 3.3 V, IOEA = -1.0 mA
Output Voltage – Low Level
IOEA = -1.0 mA
Oscillator Ramp
OSCILLATOR
CLKSYN Pin (open) Low Level Output Voltage
IOL = +1.0 mA
CLKSYN Pin (open) High Level Output Voltage
IOH = -1.0 mA
CLKSYN Pin (grounded) Input Voltage Threshold
CLKSYN Pin Pullup Resistance
Frequency Adjusting Reference Voltage
BOOST REGULATOR
Regulator Output Voltage
IBST = 20 mA, VIN1 = V
IN2
= 2.8 V to 6.0 V
Power MOSFET Q5 RDS(ON)
IBD = 500 mA, T
A
= 25°C
Regulator Recommended Output Capacitor
Regulator Recommended Output Capacitor Maximum ESR
Notes
11.
12.
13.
14.
CBST
ESRCBST
R
DS(ON)
–
–
–
650
10
100
1000
–
–
µF
mΩ
V
BST
7.3
7.7
8.3
mΩ
V
V
OSC_IH
RPU
V
FREQ
V
OSC_OH
VDDI
- 0.4 V
1.2
60
–
–
–
–
1.26
–
2.0
240
–
V
kΩ
V
V
V
OSC_OL
–
–
0.4
V
V
SCRamp
–
0.5
–
V
V
SCRamp
V
EA_OL
–
–
0.4
0.5
–
–
V
2.0
–
V
–
–
–
–
150
80
35
200
–
–
–
–
Ω
dB
MHz
V/µs
V
Symbol
Min
Typ
Max
Unit
Design information only. This parameter is not production tested.
IOEA Refers to Error Amplifier Output Current.
IOL Refers to IO Low Level Threshold Voltage Current
IOH Refers to IO High Level Threshold Voltage Current
34702
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
