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參數(shù)資料
| 型號： | PCZ34670EG |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | 1.27 PITCH, ROHS COMPLIANT, PLASTIC, MS-013AC, SOIC-20 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大小： | 986K |
| 代理商： | PCZ34670EG |
Analog Integrated Circuit Device Data
6
Freescale Semiconductor
34670
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
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
SIGNATURE DETECTION
Input Offset Current (1.4 V
≤ VPORT ≤ 9.5 V)
IOFFSET
—
10
A
Differential Input Resistance (1.4 V
≤ VPORT ≤ 9.5 V)
RDIFF
600
—
k
CLASSIFICATION
Classification Current (13.5 V
≤ VPORT ≤ 20 V)
Class 0: RCLASS = 4.42 k
Class 1: RCLASS = 475
Class 2: RCLASS = 261
Class 3: RCLASS = 169
Class 4: RCLASS = 113
ICLASS
0
9.0
17
26
36
—
4.0
12
20
30
44
mA
Classification Current Limit
ICLASS(LIM)
—
50
mA
RCLA Reference Voltage (13.5 V
≤ VPORT ≤ 20 V)
VRCLA
—
4.5
—
V
INRUSH CURRENT LIMITATION (37 V
≤ VPORT ≤ 60 V) (RLIM)
Input Inrush Current, ILIM connected to VIN
IINRUSH
—
350
mA
Input Inrush Current, ILIM connected via resistor RILIM to VIN
RILIM = 12.1 k
RILIM = 42.2 k
RILIM = 191 k
IINRUSH
130
70
30
180
110
65
250
165
100
NORMAL OPERATION (VPWR, UVLO)
Supply Voltage
VPWR
—
60
V
Supply Current (9)
IPWR
—
4.5
7.3
mA
Default Turn-On Voltage (UVLO = VIN)
VUVLO(ON)
—
40
V
Default Turn-Off Voltage (UVLO = VIN)
VUVLO(OFF)
30
—
V
UVLO Hysteresis when set internally
VHYST(INT)
7.0
—
V
External UVLO Programming Range
VUVLO(PR)
25
—
50
V
UVLO Reference Voltage
VUVLO(REF)
1.96
2.0
2.04
V
UVLO Hysteresis when set externally
VHYST(EXT)
—
15
—
%
UVLO Bias Current
IUVLO(B)
—
1.0
A
ISOLATION SWITCH (ILIM)
On-Resistance (VPORT = 48 V, IPORT = 350 mA)
RDS(ON)
—
500
m
Isolation Switch Current Limit in Normal Operation Mode
ILIM
380
—
700
mA
Notes
9.
GATE pin open, PWM controller running.
10.
Measured across VIN and VOUT.
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