MC33394DH Freescale Semiconductor, MC33394DH Datasheet - Page 8

• Manufacturer Part Number: MC33394DH
• Description: IC POWER SUPPLY MULT-OUT 44-HSOP
• Manufacturer: Freescale Semiconductor

Specifications of MC33394DH

• Applications: Motorola MPC55x, MPC56x Microprocessors
• Interface: SPI Serial
• Voltage - Supply: 4 V ~ 26.5 V
• Package / Case: 44-BSOP (0.433", 11.00mm Width) Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

NOTE:
3. ELECTRICAL CHARACTERISTICS (–40 C
circuit – see Figure 1, unless otherwise noted.)
DC CHARACTERISTICS:
BUCK CONVERTER
Buck Converter Output Voltage, VBAT = 7.5V to 18V; I LOAD =500mA
Buck to Boost Mode Threshold Voltage
Boost to Buck Mode Threshold Voltage
N–channel power MOSFET SW1
SW1 Drain–Source Breakdown Voltage
SW1 Continuous Drain Current
SW1 Drain–Source Current Limit
SW1 Drain–Source On–Resistance; I D = 1.0 A, VBAT = 9.0 V
Error Amplifier (Design Information Only)
Input Offset Voltage
DC Open Loop Gain
Unity Gain Bandwidth
Output Voltage Swing — High Level
Output Voltage Swing — Low Level
Output Source Current
Output Sink Current
Ramp Generator
Sawtooth Peak Voltage
Sawtooth Peak–to–Peak Voltage
BOOST CONVERTER
External Power MOSFET Gate Drive SW2G
Boost Converter Output Voltage, VBAT = 4.5 V to 6.0 V
SW2G Output Voltage, Power MOSFET On
SW2G Source Continuous Current
SW2G Sink Continuous Current
AC CHARACTERISTICS:
BUCK CONVERTER
Oscillator Frequency
SW1 Switch Turn–ON Time
SW1 Switch Turn–OFF Time
SW2G Switch Turn–ON Time, C gate = pF
SW2G Switch Turn–OFF Time, C gate = pF
OFF Time
Duty cycle
8
1. Guaranteed by design but not production tested.
Characteristic
Freescale Semiconductor, Inc.
For More Information On This Product,
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T A
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
+125 C; +4.0 V
33394
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
V OSCp–p
VBAT thd
VBAT thu
R DS(on)
Symbol
BV DSS
Isc SW1
t T–OFF
t T–OFF
I source
ID SW1
t T–ON
t T–ON
VPRE
V OSC
VPRE
A VOL
I OUT
I OUT
t OFF
V OS
V OH
I sink
V OL
Freq
BW
V g
d
VBAT
+26.5 V using the 33394 typical application
–2.75
Min.
–2.5
200
180
5.4
5.9
50
VPRE
Typ.
–3.0
TBD
TBD
TBD
TBD
TBD
1.25
200
300
200
5.6
6.7
7.2
1.5
4.2
0.4
1.0
6.0
20
80
75
Max.
–3.5
300
400
220
5.8
3.5
3.0
6.6
MHz
Unit
kHz
m
mV
mA
mA
mA
dB
ns
ns
ns
ns
%
V
V
V
V
A
A
V
V
V
V
V
V
A
s