参数资料
型号: MC33063ADRJR
厂商: Texas Instruments
文件页数: 4/23页
文件大小: 0K
描述: IC REG BUCK BOOST INV ADJ 8DFN
标准包装: 1
类型: 降压(降压),升压(升压),反相
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 40 V
输入电压: 3 V ~ 40 V
频率 - 开关: 100kHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 8-SON 裸露焊盘(4x4)
产品目录页面: 1022 (CN2011-ZH PDF)
其它名称: 296-21744-6

SLLS636M – DECEMBER 2004 – REVISED JANUARY 2011
Output Switch (1)
PARAMETER
TEST CONDITIONS
T A
MIN
TYP
MAX
UNIT
V CE(sat)
V CE(sat)
h FE
I C(off)
Saturation voltage –
Darlington connection
Saturation voltage –
non-Darlington connection (2)
DC current gain
Collector off-state current
I SW = 1 A, pins 1 and 8 connected
I SW = 1 A, R PIN8 = 82 ? to V CC ,
forced β ~ 20
I SW = 1 A, V CE = 5 V
V CE = 40 V
Full range
Full range
25 ° C
Full range
50
1
0.45
75
0.01
1.3
0.7
100
V
V
μ A
(1)
(2)
Low duty-cycle pulse testing is used to maintain junction temperature as close to ambient temperature as possible.
In the non-Darlington configuration, if the output switch is driven into hard saturation at low switch currents ( ≤ 300 mA) and high driver
currents ( ≥ 30 mA), it may take up to 2 μ s for the switch to come out of saturation. This condition effectively shortens the off time at
frequencies ≥ 30 kHz, becoming magnified as temperature increases. The following output drive condition is recommended in the
non-Darlington configuration:
Forced β of output switch = I C,SW / (I C,driver – 7 mA) ≥ 10, where ~ 7 mA is required by the 100- ? resistor in the emitter of the driver to
forward bias the V be of the switch.
Comparator
PARAMETER
TEST CONDITIONS
T A
MIN
TYP
MAX
UNIT
V th
Threshold voltage
25 ° C
Full range
1.225
1.21
1.25
1.275
1.29
V
Δ V th
I IB
Threshold-voltage line regulation
Input bias current
V CC = 5 V to 40 V
V IN = 0 V
Full range
Full range
1.4
– 20
5
– 400
mV
nA
Total Device
PARAMETER
TEST CONDITIONS
T A
MIN
MAX
UNIT
V CC = 5 V to 40 V, C T = 1 nF,
I CC
Supply current
V PIN7 = V CC , V PIN5 > V th ,
Full range
4
mA
V PIN2 = GND, All other pins open
4
Copyright ? 2004 – 2011, Texas Instruments Incorporated
Product Folder Link(s): MC33063A MC34063A
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