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| 型号： | ADM8839-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADM8839 |
| 标准包装： | 1 |
| 主要目的： | 特殊用途 DC/DC，LCD 电源 |
| 输出及类型： | 3，非隔离 |
| 输出电压： | 5V，15V，-15V |
| 电流 - 输出： | 5mA，1µA，1µA |
| 输入电压： | 2.7 ~ 4.2 V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 100kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADM8839 |
| 相关产品： | ADM8839ACPZ-ND - IC CHARGE PUMP REG TFT 20LFCSP ADM8839ACPZ-REEL7-ND - IC CHARGE PUMP REG TFT 20LFCSP ADM8839ACPZ-REEL-ND - IC CHARGE PUMP REG TFT 20LFCSP |
ADM8839
SPECIFICATIONS
V CC = 3 V (+40%/?10%); T A = ?40°C to +85°C; C1, C5, C6, C7 = 2.2 μF; C2, C3, C4, C8, C9 = 0.22 μF; unless otherwise noted.
Table 1.
Parameter
INPUT VOLTAGE, V CC
SUPPLY CURRENT, I CC
Test Conditions
Unloaded
Min
2.7
Typ
250
Max
4.2
500
Unit
V
μA
+5 V OUTPUT
Shutdown mode, T A = 25°C
5
μA
Output Voltage
Output Current
Output Ripple
Transient Response
I L = 10 μA to 20 mA
8 mA load
I L stepped from 10 μA to 8 mA
4.9
5.0
5
10
5
5.1
20
V
mA
mV p-p
μs
+15 V OUTPUT
Output Voltage
Output Current
Output Ripple
I L = 1 μA to 150 μA
I L = 100 μA
14.0
15.0
1
50
16.0
150
V
μA
mV p-p
?15 V OUTPUT
Output Voltage
I L = ?1 μA to ?150 μA
?16.0
?15.0
?14.0
V
Output Current
Output Ripple
POWER EFFICIENCY
I L = ?100 μA
R5 V OUT load = 5 mA, ±15 V load = ±150 μA, V CC = 3.0 V
?150
?1
50
82
μA
mV p-p
%
CHARGE PUMP FREQUENCY
60
100
140
kHz
CONTROL PINS, SHDN
Input Voltage, V SHDN
SHDN low = shutdown mode
0.3 × V CC
V
Digital Input Current
Digital Input Capacitance 1
LDO_ON/OFF
SHDN high = normal mode
0.7 × V CC
±1
10
V
μA
pF
Input Voltage
Low = External LDO
0.3 × V CC
V
High = Internal LDO
Digital Input Current
Digital Input Capacitance 1
1
Guaranteed by design. Not 100% production tested.
TIMING SPECIFICATIONS
V CC = 3 V, T A = 25°C; C1, C5, C6, C7 = 2.2 μF; C2, C3, C4, C8, C9 = 0.22 μF.
Table 2.
0.7 × V CC
±1
10
V
μA
pF
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
POWER-UP SEQUENCE
+5 V Rise Time, t R5V
+15 V Rise Time, t R15V
?15 V Fall Time, t FM15V
Delay Between ?15 V Fall and +15 V, t DELAY
250
3
3
600
μs
ms
ms
μs
POWER-DOWN SEQUENCE
+5 V Fall Time, t F5V
+15 V Fall Time, t F15V
?15 V Rise Time, t RM15V
35
10
20
ms
ms
ms
Rev. C | Page 3 of 12
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