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参数资料
| 型号： | GM34063D8T |
| 厂商： | American Power Management Inc. |
| 英文描述： | 1.5A DC-TO-DC CONVERTER CONTROL CIRCUIT |
| 中文描述： | 1.5A的直流到直流转换器控制电路 |
| 文件页数： | 5/16页 |
| 文件大小： | 262K |
| 代理商： | GM34063D8T |
G
M
3
4
0
6
3
13
DESIGN FORMULAS
Calculation
Step - Up
Step - Down
Voltage - Inverting
t
/ t
on
off
(t
+ t )
on
off
V
+ V - V
out
F
IN(min)
V
- V
IN(min)
sat
V
+ V
out
F
V
- V
IN(min)
sat -Vout
IV
I + V
out
F
V
- V
IN
sat
1
f
t
off
t
+ t
on
off
t
on
t
off
+ 1
t
on
(t
+ t ) -
on
off
t
on
C
T
-5
4.0 x 10 t
on
I
pk(switch)
C
O
2 I
(
)
out(max)
t
on
t
off
+ 1
2 I
out(max)
R
SC
0.3/ I
pk(switch)
L
(min)
(V
- V
)
IN(min)
sat
I
pk(switch)
(
) t
on(max)
9
It
out on
V
npple(pp)
I
(t
+ t )
pk(switch)
on
off
8V
ripple(pp)
V
= Saturation voltage of the output switch.
sat
V = Forward voltage drop of the output rectifier.
F
V
- Nominal input voltage.
IN
V
- Desired output voltage,
out
I
- Desired output current.
out
f
- Minimum desired output switching frequency at the selected values of V
and I .
min
IN
O
V
- Desired peak-to peak output ripple voltage. In practice, the calculated capacitor value will need to be increased due to its
ripple(pp)
equivalent series resistance and board layout. The ripple voltage should be kept to a low value since it will directly affect the line and
load regulation.
1
f
1
f
(t + t ) -
on
off
t
on
2 I
(
)
out(max)
t
on
t
off
+ 1
9
It
out
on
V
ripple(pp)
-5
4.0 x 10 t
on
0.3/ I
pk(switch)
(V
-
V
)
IN(min)
out
V-
sat
I
pk(switch)
(
) t
on(max)
t
+ t
on
off
t
on
t
off
+ 1
t
+ t
on
off
t
on
t
off
+ 1
(t + t ) -
on
off
t
on
-5
4.0 x 10 t
on
0.3/ I
pk(switch)
(V
- V
)
IN(min)
sat
I
pk(switch)
(
) t
on(max)
A
MICROELECTRONICS
GM34063
1.5A DC-to-DC CONVERTER CONTROL CIRCUIT
Power Management
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相关代理商/技术参数 |
参数描述 |
|---|---|
| GM34063E | 制造商:GAMMA 制造商全称:GAMMA 功能描述:1.5A DC TO DC CONVERTER CONTROL |
| GM34063ED8TG | 制造商:GAMMA 制造商全称:GAMMA 功能描述:1.5A DC TO DC CONVERTER CONTROL |
| GM34063ES8RG | 制造商:GAMMA 制造商全称:GAMMA 功能描述:1.5A DC TO DC CONVERTER CONTROL |
| GM34063ES8TG | 制造商:GAMMA 制造商全称:GAMMA 功能描述:1.5A DC TO DC CONVERTER CONTROL |
| GM34063F | 制造商:GAMMA 制造商全称:GAMMA 功能描述:1.5A DC TO DC CONVERTER CONTROL |
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