Power Management
Power Management
HT1087 General Purpose LDO
Part No.
HT1087-ADJ
HT1087-15
HT1087-18
HT1087-25
HT1087-33
HT1087-50
Maximum
Input Voltage
12V
12V
12V
12V
12V
12V
Output Voltage
Adj.
1.5V
1.8V
2.5V
3.3V
5.0V
Typical Output
Current (mA)
500
500
500
500
500
500
Typical Current
Consumption (mA)
8
8
8
8
8
8
Tolerance
±2%
±2%
±2%
±2%
±2%
±2%
Package
TO92, SOT89
TO92, SOT89
TO92, SOT89
TO92, SOT89
TO92, SOT89
TO92, SOT89
HT1117 General Purpose LDO
Part No.
HT1117-ADJ
HT1117-18
HT1117-25
HT1117-28
HT1117-33
HT1117-50
Maximum
Input Voltage
12V
12V
12V
12V
12V
12V
Output Voltage
Adj.
1.8V
2.5V
2.85V
3.3V
5.0V
Typical Output
Current (A)
1
1
1
1
1
1
Typical Current
Consumption (mA)
8
8
8
8
8
8
Tolerance
±2%
±2%
±2%
±2%
±2%
±2%
Package
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
HT1086 General Purpose LDO
Part No.
HT1086-ADJ
HT1086-18
HT1086-25
HT1086-28
HT1086-33
HT1086-50
Maximum
Input Voltage
12V
12V
12V
12V
12V
12V
Output Voltage
Adj.
1.8V
2.5V
2.85V
3.3V
5.0V
Typical Output
Current (A)
1.5
1.5
1.5
1.5
1.5
1.5
Typical Current
Consumption (mA)
8
8
8
8
8
8
Tolerance
±2%
±2%
±2%
±2%
±2%
±2%
Package
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TO220, TO252, TO263, SOT223
TinyPower
TM
Voltage Detector
Part No.
HT7022A-1
HT7024A-1
HT7027A-1
HT7033A-1
HT7039A-1
HT7044A-1
HT7050A-1
Maximum
Input Voltage
24V
24V
24V
24V
24V
24V
24V
Detect Voltage
2.2V
2.4V
2.7V
3.3V
3.9V
4.4V
5.0V
Hysteresis
Width (V)
0.11
0.12
0.135
0.165
0.195
0.22
0.25
Typical Current
Consumption (mA)
4
4
4
4
4
4
4
Tolerance
±3%
±3%
±3%
±3%
±3%
±3%
±3%
Package
TO92, SOT25, SOT89
TO92, SOT25, SOT89
TO92, SOT25, SOT89
TO92, SOT25, SOT89
TO92, SOT25, SOT89
TO92, SOT25, SOT89
TO92, SOT25, SOT89
PFM Step-up DC/DC Converter (100mA)
Part No.
HT7718
HT7727
HT7730
HT7733
HT7737
HT7750
Input
Voltage
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
Output
Voltage
1.8V
2.7V
3.0V
3.3V
3.7V
5.0V
Output
Current
100mA
100mA
100mA
100mA
100mA
100mA
Switching
Frequency (kHz)
115
115
115
115
115
115
Typical Current
Consumption I
DD2
(mA)
4
4
4
4
4
4
Typical
Efficiency
80%
85%
85%
85%
85%
85%
Package
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
PFM Step-up DC/DC Converter (200mA)
Part No.
HT7727A
HT7730A
HT7733A
HT7750A
Input
Voltage
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
0.7V~6.0V
Output
Voltage
2.7V
3.0V
3.3V
5.0V
Output
Current
200mA
200mA
200mA
200mA
Switching
Frequency (kHz)
200
200
200
200
Typical Current
Consumption I
DD2
(mA)
5
5
5
5
Typical
Efficiency
85%
85%
85%
85%
Package
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
TO92, SOT23, SOT25, SOT89
White LED Driver
Part No.
HT7937
Input
Voltage
2.5V~5.5V
Output
Voltage
< 24V
Frequency
1.2MHz
Maximum
Efficiency
85%
Max.
LED No.
5
Backlight
Type
Single Series WLED
Brightness
Control
PWM/Analog DC
Package
SOT26
Charge Pump DC/DC Converter
Part No.
HT7660
VDD
3V~12V
Conversion
Voltage
VDD ~
-VDD
Typical Output
Current (mA)
20
Typical Standby
Current (mA)
80
Output
Impedance
60W
Package
8DIP/SOP
http://www.holtek.com.tw/pdf/guide.pdf
15
March 31, 2008