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参数资料
| 型号： | PCZ34670EG |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | 1.27 PITCH, ROHS COMPLIANT, PLASTIC, MS-013AC, SOIC-20 |
| 文件页数： | 22/24页 |
| 文件大小： | 986K |
| 代理商： | PCZ34670EG |
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
34670
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
PWM COMPARATOR (COMP)
COMP Control Voltage Range
VCOMP
1.3
—
4.0
V
COMP Input Bias Current
ICOMP(B)
—
1.8
mA
HIGH VOLTAGE REGULATOR
Regulator Output Voltage
VDDREG
8.0
9.0
10
V
Regulator Turn-Off Voltage (11)
VREG(OFF)
VDDReg
+0.5
—
V
Regulator Current Limitation (12)
IREGLIM
7.0
—
13.5
mA
Regulator Continuous Current
IREGDC
—
5.0
mA
GATE DRIVER (UVLO)
Gate Driver UVLO, Rising
VGATE(R)
VDD-0.5
—
V
Gate Driver UVLO, Falling
VGATE(F)
—
6.5
V
CURRENT LIMIT (CS)
CS Threshold Voltage
VCS
320
400
480
mV
CS Bias Current
ICS(B)
—
30
A
PWM OSCILLATOR
Oscillator Frequency Adjusting Resistor Range
RFREQ
121
—
499
k
ERROR AMPLIFIER
Reference Voltage
VREF
1.164
1.2
1.236
V
OVERVOLTAGE SHUTDOWN
OVLO Threshold, Rising
VOV(R)
65
67.5
70
V
OVLO Threshold, Falling
VOV(F)
62
64.5
67
V
OVLO Hysteresis
VOV(HYS)
—
3.0
—
V
SOFT-START (SS)
SS Output Voltage
VSS
—
2.0
—
V
SS Source Current
ISS(OUT)
3.25
5.0
6.75
A
SS Sink Current
ISS(IN)
—
2.0
—
mA
Shutdown Threshold Voltages
VSS(R)
VSS(F)
0.48
0.24
0.6
0.3
0.72
0.36
V
THERMAL SHUTDOWN
Thermal Shutdown Temperature
TSHUTDOWN
150
165
180
°C
Thermal Hysteresis
THYS
—
30
—
°C
Notes
11.
An external voltage has to be applied.
12.
Thermal limitations of the device might derate usable current range.
Table 3. Static Electrical Characteristics(continued)
Characteristics noted under conditions 30 V
≤ VPWR ≤ 60 V, -40°C ≤ TA ≤ 85°C, VIN = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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